412f4aaf-5525-458c-b87e-311e504b856d

mJj0ge.sys

Description

The criminals signed their AV-killer malware, closely related to one known as BURNTCIGAR, with a legitimate WHCP certificate

UUID: 412f4aaf-5525-458c-b87e-311e504b856d
Created: 2023-05-07
Author: Guus Verbeek
Acknowledgement: |

Download

This download link contains the malicious driver!

Commands

sc.exe create mJj0ge.sys binPath=C:\windows\temp\mJj0ge.sys type=kernel &amp;&amp; sc.exe start mJj0ge.sys

Use Case	Privileges	Operating System
Elevate privileges	kernel	Windows 10

Detections

YARA 🏹

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Exact Match

with header and size limitation

Threat Hunting

without header and size limitation

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://news.sophos.com/en-us/2022/12/13/signed-driver-malware-moves-up-the-software-trust-chain/

Known Vulnerable Samples

Property	Value
Filename	mJj0ge.sys
Creation Timestamp	2022-06-02 04:09:08
MD5	3d0b3e19262099ade884b75ba86ca7e8
SHA1	0883a9c54e8442a551994989db6fc694f1086d41
SHA256	5f6fec8f7890d032461b127332759c88a1b7360aa10c6bd38482572f59d2ba8b
Authentihash MD5	83f21305be7f7633dd4c48cf1d523ad9
Authentihash SHA1	707122f1d7cac4419bd5e5d2da1eb947852d38c0
Authentihash SHA256	a720c9a95ab33b29c19fc37fed2b4d2079a2e4b9bd861d406043bd6010fc4d71
RichPEHeaderHash MD5	ffdf660eb1ebf020a1d0a55a90712dfb
RichPEHeaderHash SHA1	3e905e3d061d0d59de61fcf39c994fcb0ec1bab3
RichPEHeaderHash SHA256	2b3f99a94b7a7132854be769e27b331419c53989ef42f686d6f5ba09ddefefd6

Download

Certificates

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Certificate 0a005d2e2bcd4137168217d8c727747c

Field	Value
ToBeSigned (TBS) MD5	4d213d99215f488050faaa39765656d1
ToBeSigned (TBS) SHA1	0308508b5a3fcd330bbf28931f8e1a9c93c3ee69
ToBeSigned (TBS) SHA256	ea947432de238a25fdb7892e436f4ef44f30ab16ae9e1eb914860f4808b25ef2
Subject	C=CN, ST=Beijing, L=Beijing, O=Beijing JoinHope Image Technology Ltd., CN=Beijing JoinHope Image Technology Ltd.
ValidFrom	2014-05-16 00:00:00
ValidTo	2015-05-16 23:59:59
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	False
SerialNumber	0a005d2e2bcd4137168217d8c727747c
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
ntoskrnl.exe
HAL.dll

Imported Functions

Expand

rand
ExAllocatePool
NtQuerySystemInformation
ExFreePoolWithTag
IoAllocateMdl
MmProbeAndLockPages
MmMapLockedPagesSpecifyCache
MmUnlockPages
IoFreeMdl
KeQueryActiveProcessors
KeSetSystemAffinityThread
KeRevertToUserAffinityThread
DbgPrint
KeQueryPerformanceCounter

Exported Functions

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Sections

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.text
.rdata
.data
.pdata
INIT
.=Kh
.f$[
.}4A
.reloc

Signature

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{
  "Certificates": [
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "0a005d2e2bcd4137168217d8c727747c",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=CN, ST=Beijing, L=Beijing, O=Beijing JoinHope Image Technology Ltd., CN=Beijing JoinHope Image Technology Ltd.",
      "TBS": {
        "MD5": "4d213d99215f488050faaa39765656d1",
        "SHA1": "0308508b5a3fcd330bbf28931f8e1a9c93c3ee69",
        "SHA256": "ea947432de238a25fdb7892e436f4ef44f30ab16ae9e1eb914860f4808b25ef2",
        "SHA384": "430e932514f35ed55f31f050f33bcc0b9244fd83c6d1d28ee240306e54292e93b5894ef4eb9c09bf84cdc8068c6a7230"
      },
      "ValidFrom": "2014-05-16 00:00:00",
      "ValidTo": "2015-05-16 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "611993e400000000001c",
      "Signature": "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",
      "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": "0a005d2e2bcd4137168217d8c727747c",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

source

last_updated: 2024-04-09