General
- Target A84335-B692
- Size 93KB
- Sample260922-w7ef6a1are
- SHA256 ed47d851bb0644f5f18fc573ec2456b34e004aac16b0d4d4b786cc054cc64fe1
- MD5 8868d60e1536747639de3028d0564ce0
- SHA1 f193397e06b0b988931d0f773c2eefbffbcc5f1a
- SHA512 50e38ac75e52caf36c199301ab91b8ff2c4a0e179d1ea8ed50f3815de1f72cbf36d9fee31ba16a2f7b61d3e381d56ee56837d00092613584c50c830bb8ba0fd6
- SSDEEP 1536:be1FJGsdpjk0oNuPtgtQCTpnF9Q90adz4zcpNpfO+GL1jfrwNd+9/qSw7ieYi:bkF8spjPyuP+JpF9Q9Pz4zWOL1jfUnau
- TLSH T17B9323053B8C95E010CDDDBE0FC06CA956AEE072D3DADC9C66CF5A84AB43AFA459C474
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
A84335-B692.ps1
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
A84335-B692.ps1
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
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acrstealer
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4.4.2-alpha1
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sso.spookilyaqua.cc
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fastly.net
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ddrs
https://telegra.ph/C-Introduction-08-21
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guids
019fd84c-02e7-7a67-9097-4f73d632de4a
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.2.6187.130 Safari/537.36
Targets
-
- Target A84335-B692
- Size 93KB
- SHA256 ed47d851bb0644f5f18fc573ec2456b34e004aac16b0d4d4b786cc054cc64fe1
- MD5 8868d60e1536747639de3028d0564ce0
- SHA1 f193397e06b0b988931d0f773c2eefbffbcc5f1a
- SHA512 50e38ac75e52caf36c199301ab91b8ff2c4a0e179d1ea8ed50f3815de1f72cbf36d9fee31ba16a2f7b61d3e381d56ee56837d00092613584c50c830bb8ba0fd6
- SSDEEP 1536:be1FJGsdpjk0oNuPtgtQCTpnF9Q90adz4zcpNpfO+GL1jfrwNd+9/qSw7ieYi:bkF8spjPyuP+JpF9Q9Pz4zWOL1jfUnau
- TLSH T17B9323053B8C95E010CDDDBE0FC06CA956AEE072D3DADC9C66CF5A84AB43AFA459C474
- MD5 SHA1 SHA512 SSDEEP TLSH
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Family: ACR stealer,GrMsk
ACR stealer (aka GrMsk stealer) is an infostealer written in C++.
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SectopRAT payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Executes dropped EXE
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3