General
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Target
a4840b8f2041f1fadf39b9e758a98dbc
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Size
684KB
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Sample
240225-y68dysbd27
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MD5
a4840b8f2041f1fadf39b9e758a98dbc
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SHA1
a95eb12a542ba5827ae8b861ce365de19d72548d
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SHA256
f545fcf708c93a719ed15112949bbb278418bfbbddc5ede52b4ed85d1f26ecb9
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SHA512
cb2ceb2380d182fe39f0159782313f00f0a54656418b702bec8ef5f5b220f756bc5e9f3e06159ec8caec5c3eca3961382eb6901f19d0796bde662fde00be62f2
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SSDEEP
12288:K9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKzZw:oAQ6Zx9cxTmOrucTIEFSpOG
Behavioral task
behavioral1
Sample
a4840b8f2041f1fadf39b9e758a98dbc.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a4840b8f2041f1fadf39b9e758a98dbc.exe
Resource
win10v2004-20240221-en
Malware Config
Targets
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Target
a4840b8f2041f1fadf39b9e758a98dbc
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Size
684KB
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MD5
a4840b8f2041f1fadf39b9e758a98dbc
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SHA1
a95eb12a542ba5827ae8b861ce365de19d72548d
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SHA256
f545fcf708c93a719ed15112949bbb278418bfbbddc5ede52b4ed85d1f26ecb9
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SHA512
cb2ceb2380d182fe39f0159782313f00f0a54656418b702bec8ef5f5b220f756bc5e9f3e06159ec8caec5c3eca3961382eb6901f19d0796bde662fde00be62f2
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SSDEEP
12288:K9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKzZw:oAQ6Zx9cxTmOrucTIEFSpOG
Score10/10-
Modifies WinLogon for persistence
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Modifies firewall policy service
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Adds Run key to start application
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1