General
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Target
676702084348dee449906e0c22a29673_JaffaCakes118
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Size
1.5MB
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Sample
240723-nlm76stbra
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MD5
676702084348dee449906e0c22a29673
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SHA1
4f2383819806d8f31abcfa176187352e470ec892
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SHA256
1f5511a403731f2684d7ef1bfd0f4dab2f5aa72ef41980e34c9918bfee973fd6
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SHA512
92747599158f7e20d312add154ffe8f403c0f9fcd2ca1baf17fa9127cdbc9ba99d354e4386b0b4f25c232a356c19a5ff666dca5fb47f4788c0a415dbbff0e2dc
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SSDEEP
24576:p9++PM4QtPZBpQCCBjyihviSzw5nkZHzQDO+J1tgXzJdB4qaK3R:p9++PMPQCMdhvtzw5n605gXV85K3R
Behavioral task
behavioral1
Sample
676702084348dee449906e0c22a29673_JaffaCakes118.exe
Resource
win7-20240704-en
Malware Config
Extracted
darkcomet
defeult
someonei.zapto.org:1604
DC_MUTEX-84ZPHN0
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InstallPath
MSDCSC\crss.exe
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gencode
jdDHAcgEiQiK
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
crss
Targets
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Target
676702084348dee449906e0c22a29673_JaffaCakes118
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Size
1.5MB
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MD5
676702084348dee449906e0c22a29673
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SHA1
4f2383819806d8f31abcfa176187352e470ec892
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SHA256
1f5511a403731f2684d7ef1bfd0f4dab2f5aa72ef41980e34c9918bfee973fd6
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SHA512
92747599158f7e20d312add154ffe8f403c0f9fcd2ca1baf17fa9127cdbc9ba99d354e4386b0b4f25c232a356c19a5ff666dca5fb47f4788c0a415dbbff0e2dc
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SSDEEP
24576:p9++PM4QtPZBpQCCBjyihviSzw5nkZHzQDO+J1tgXzJdB4qaK3R:p9++PMPQCMdhvtzw5n605gXV85K3R
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Modifies WinLogon for persistence
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Drops file in Drivers directory
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1