8a1a4a5d-3e41-4539-80cd-0cb751f7fab3

ProcObsrvesx.sys

Description

Northwave Cyber Security contributed this driver based on in-house research. The driver has a CVSSv3 score of 8.8, indicating a privilege escalation impact. This vulnerability could potentially be exploited for privilege escalation or other malicious activities.

UUID: 8a1a4a5d-3e41-4539-80cd-0cb751f7fab3
Created: 2024-09-11
Author: Northwave Cyber Security
Acknowledgement: Northwave Cyber Security |

Download Block

Commands

sc.exe create ProcObsrvesx binPath=C:\windows\temp\ProcObsrvesx.sys type=kernel &amp;&amp; sc.exe start ProcObsrvesx

Use Case	Privileges	Operating System
Elevate privileges	kernel	Windows 10

Detections

YARA 🏹

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Sigma 🛡️

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Names

detects loading using name only

Hashes

detects loading using hashes only

Sysmon 🔎

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Block

on hashes

Alert

on hashes

Resources

https://northwave-cybersecurity.com/vulnerability-notice-escan-antivirus

Known Vulnerable Samples

Property	Value
Filename	ProcObsrvesx.sys
Creation Timestamp	2021-01-21 09:20:58
MD5	10dd681f56cfbb329c7f470ebb9f4b31
SHA1	1b10f5686ccd82905b9e4392653d2e7797c360fa
SHA256	37206b758eac2c7775ef881c1dc9a96129a517069bdf47049afc3b29e328408e
Authentihash MD5	4dda010a527a13652645cb6200a348ee
Authentihash SHA1	95dd4f737c95b7fcd1258fe41334b8fb125e1c8b
Authentihash SHA256	a4c0e1bf3b397ebe5105a15dce686d7a171e01d5d4af32d67a8974de55afdf19
RichPEHeaderHash MD5	19298702cc03917ed9fdaf90a1488e4c
RichPEHeaderHash SHA1	ccc278748eb99586074a7a821016adbdf1f621da
RichPEHeaderHash SHA256	6c801c39037b9456e330d45c3a97c173bafbc7ddc910328361d0ad51268e7bfd
Company	MicroWorld Technologies Inc.
Description	ProcObsrvesx
Product	eScan/eConceal
OriginalFilename	ProcObsrvesx.sys

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Certificates

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Certificate 412d89bdcd5709748b53889ccdf7c459

Field	Value
ToBeSigned (TBS) MD5	01ec4bffb8f489d432b895030a01979e
ToBeSigned (TBS) SHA1	762c1f273710bb64b92cc489c288de07c748c9f1
ToBeSigned (TBS) SHA256	b46fb162accb61393e01d4af2137e3258c74bd29e6e9fa9c1b2dc96e0b2af338
Subject	C=US, ST=Michigan, L=Novi, O=MicroWorld Technologies Inc., CN=MicroWorld Technologies Inc.
ValidFrom	2018-05-15 00:00:00
ValidTo	2019-05-15 23:59:59
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	False
SerialNumber	412d89bdcd5709748b53889ccdf7c459
Version	3

Certificate 611993e400000000001c

Field	Value
ToBeSigned (TBS) MD5	78a717e082dcc1cda3458d917e677d14
ToBeSigned (TBS) SHA1	4a872e0e51f9b304469cd1dedb496ee9b8b983a4
ToBeSigned (TBS) SHA256	317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8
Subject	C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=(c) 2006 VeriSign, Inc. , For authorized use only, CN=VeriSign Class 3 Public Primary Certification Authority , G5
ValidFrom	2011-02-22 19:25:17
ValidTo	2021-02-22 19:35:17
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	611993e400000000001c
Version	3

Certificate 5200e5aa2556fc1a86ed96c9d44b33c7

Field	Value
ToBeSigned (TBS) MD5	b30c31a572b0409383ed3fbe17e56e81
ToBeSigned (TBS) SHA1	4843a82ed3b1f2bfbee9671960e1940c942f688d
ToBeSigned (TBS) SHA256	03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9
Subject	C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA
ValidFrom	2010-02-08 00:00:00
ValidTo	2020-02-07 23:59:59
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	5200e5aa2556fc1a86ed96c9d44b33c7
Version	3

Imports

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ntoskrnl.exe
HAL.dll

Imported Functions

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_strnicmp
IoThreadToProcess
ExAllocatePoolWithTag
KeClearEvent
PsProcessType
ZwCreateKey
IoDeleteSymbolicLink
ExFreePoolWithTag
IoCreateNotificationEvent
PsGetProcessImageFileName
PsLookupProcessByProcessId
ZwMapViewOfSection
RtlInitUnicodeString
IoDeleteDevice
KeSetEvent
MmGetSystemRoutineAddress
RtlUnicodeStringToAnsiString
RtlGetVersion
_strupr
ZwQuerySystemInformation
PsSetCreateProcessNotifyRoutine
ExEnumHandleTable
sprintf
IoFileObjectType
ZwQueryValueKey
ZwUnmapViewOfSection
ExAllocatePool
IoGetCurrentProcess
ZwClose
IofCompleteRequest
ObReferenceObjectByHandle
ZwDuplicateObject
RtlFreeAnsiString
PsThreadType
strrchr
IoCreateSymbolicLink
ObfDereferenceObject
IoCreateDevice
ZwOpenSection
ObOpenObjectByPointer
PsGetProcessId
DbgPrint
ZwOpenKey
KeBugCheckEx
ObQueryNameString
_stricmp
HalTranslateBusAddress

Exported Functions

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Sections

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.text
.rdata
.data
.pdata
INIT
.rsrc

Signature

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{
  "Certificates": [
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "412d89bdcd5709748b53889ccdf7c459",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, ST=Michigan, L=Novi, O=MicroWorld Technologies Inc., CN=MicroWorld Technologies Inc.",
      "TBS": {
        "MD5": "01ec4bffb8f489d432b895030a01979e",
        "SHA1": "762c1f273710bb64b92cc489c288de07c748c9f1",
        "SHA256": "b46fb162accb61393e01d4af2137e3258c74bd29e6e9fa9c1b2dc96e0b2af338",
        "SHA384": "23e2aa64179c096e6b1bbf02b3e990129d580708a3aa8c10019257dfa99659790021c352fcc02faf4d6a464add20deb9"
      },
      "ValidFrom": "2018-05-15 00:00:00",
      "ValidTo": "2019-05-15 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "611993e400000000001c",
      "Signature": "812a82168c34672be503eb347b8ca2a3508af45586f11e8c8eae7dee0319ce72951848ad6211fd20fd3f4706015ae2e06f8c152c4e3c6a506c0b36a3cf7a0d9c42bc5cf819d560e369e6e22341678c6883762b8f93a32ab57fbe59fba9c9b2268fcaa2f3821b983e919527978661ee5b5d076bcd86a8e26580a8e215e2b2be23056aba0cf347934daca48c077939c061123a050d89a3ec9f578984fbecca7c47661491d8b60f195de6b84aacbc47c8714396e63220a5dc7786fd3ce38b71db7b9b03fcb71d3264eb1652a043a3fa2ead59924e7cc7f233424838513a7c38c71b242228401e1a461f17db18f7f027356cb863d9cdb9645d2ba55eefc629b4f2c7f821cc04ba57fd01b6abc667f9e7d3997ff4f522fa72f5fdff3a1c423aa1f98018a5ee8d1cd4669e4501feaaeefffb178f30f7f1cd29c59decb5d549003d85b8cbbb933a276a49c030ae66c9f723283276f9a48356c848ce5a96aaa0cc0cc47fb48e97af6de35427c39f86c0d6e473089705dbd054625e0348c2d59f7fa7668cd09db04fd4d3985f4b7ac97fb22952d01280c70f54b61e67cdc6a06c110384d34875e72afeb03b6e0a3aa66b769905a3f177686133144706fc537f52bd92145c4a246a678caf8d90aad0f679211b93267cc3ce1ebd883892ae45c6196a4950b305f8ae59378a6a250394b1598150e8ba8380b72335f476b9671d5918ad208d94",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=(c) 2006 VeriSign, Inc. , For authorized use only, CN=VeriSign Class 3 Public Primary Certification Authority , G5",
      "TBS": {
        "MD5": "78a717e082dcc1cda3458d917e677d14",
        "SHA1": "4a872e0e51f9b304469cd1dedb496ee9b8b983a4",
        "SHA256": "317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8",
        "SHA384": "b71052da4eb9157c8c1a5d7f55df19d69b9128598b72fcca608e5b7cc7d64c43c5504b9c86355a6dc22ee40c88cc385c"
      },
      "ValidFrom": "2011-02-22 19:25:17",
      "ValidTo": "2021-02-22 19:35:17",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "5200e5aa2556fc1a86ed96c9d44b33c7",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA",
      "TBS": {
        "MD5": "b30c31a572b0409383ed3fbe17e56e81",
        "SHA1": "4843a82ed3b1f2bfbee9671960e1940c942f688d",
        "SHA256": "03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9",
        "SHA384": "bbda8407c4f9fc4e54d772f1c7fb9d30bc97e1f97ecd51c443063d1fa0644e266328781776cd5c44896c457c75f4d7da"
      },
      "ValidFrom": "2010-02-08 00:00:00",
      "ValidTo": "2020-02-07 23:59:59",
      "Version": 3
    }
  ],
  "CertificatesInfo": "",
  "Signer": [
    {
      "Issuer": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA",
      "SerialNumber": "412d89bdcd5709748b53889ccdf7c459",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

source

last_updated: 2025-01-13