General
- Target c9b1a9c171ca07c8fcc9154921305c24fef69644497f30db163e5700700f7fcb.bin.ps1
- Size 1.3MB
- Sample260922-sb92easx4j
- SHA256 c9b1a9c171ca07c8fcc9154921305c24fef69644497f30db163e5700700f7fcb
- MD5 8a9294887013b416cdec0309c5489ded
- SHA1 1fa37d65587efb6a98e381038d5db02e1dcd99ec
- SHA512 542af483c7ad8ee7fdb7c6b89a457189e0d4e4f55ec5c1de6679dd71612ec0edb830cd3fd5393649183a0246f616680ebba1a2753b55b4158715aae2745ba53f
- SSDEEP 12288:GI62M0oZsaSwYOi5Q46FsyTJzTG+AXjW9DN+ibBM9u7riby2z3SdsFMnCIePgILq:U
- TLSH T1115521523651FD7D029693B17E1646F0A46ACA40CFDF8556F24DCE88A14EC863AFA3C3
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
c9b1a9c171ca07c8fcc9154921305c24fef69644497f30db163e5700700f7fcb.bin.ps1
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
c9b1a9c171ca07c8fcc9154921305c24fef69644497f30db163e5700700f7fcb.bin.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 c9b1a9c171ca07c8fcc9154921305c24fef69644497f30db163e5700700f7fcb.bin.ps1
- Size 1.3MB
- SHA256 c9b1a9c171ca07c8fcc9154921305c24fef69644497f30db163e5700700f7fcb
- MD5 8a9294887013b416cdec0309c5489ded
- SHA1 1fa37d65587efb6a98e381038d5db02e1dcd99ec
- SHA512 542af483c7ad8ee7fdb7c6b89a457189e0d4e4f55ec5c1de6679dd71612ec0edb830cd3fd5393649183a0246f616680ebba1a2753b55b4158715aae2745ba53f
- SSDEEP 12288:GI62M0oZsaSwYOi5Q46FsyTJzTG+AXjW9DN+ibBM9u7riby2z3SdsFMnCIePgILq:U
- TLSH T1115521523651FD7D029693B17E1646F0A46ACA40CFDF8556F24DCE88A14EC863AFA3C3
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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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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