General
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Target
12288800a2c8aefa00993b501e908233_JaffaCakes118
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Size
1.2MB
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Sample
240626-qw5ajsxapa
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MD5
12288800a2c8aefa00993b501e908233
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SHA1
0b4b185fae527c58ebbf930208b610b5f071413e
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SHA256
d7b457ba147580d23442b45138694102762734ea5facc4b014e1be29e3f27c2f
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SHA512
edebce73eb832f1c10c88debecb3e2077028cfbcc404df85fc0f86510fbaa1091f9e9c1baa41a048573a1b288ac76b126889fbd1f9723b7ec67c5138d9d713ce
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SSDEEP
24576:zyIC5kDDLPKVI69HIGV+ybSvQsO6CK6pNmMp:zyZ5SLS3IiBSoMCKKNb
Behavioral task
behavioral1
Sample
12288800a2c8aefa00993b501e908233_JaffaCakes118.exe
Resource
win7-20240611-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
12288800a2c8aefa00993b501e908233_JaffaCakes118
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Size
1.2MB
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MD5
12288800a2c8aefa00993b501e908233
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SHA1
0b4b185fae527c58ebbf930208b610b5f071413e
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SHA256
d7b457ba147580d23442b45138694102762734ea5facc4b014e1be29e3f27c2f
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SHA512
edebce73eb832f1c10c88debecb3e2077028cfbcc404df85fc0f86510fbaa1091f9e9c1baa41a048573a1b288ac76b126889fbd1f9723b7ec67c5138d9d713ce
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SSDEEP
24576:zyIC5kDDLPKVI69HIGV+ybSvQsO6CK6pNmMp:zyZ5SLS3IiBSoMCKKNb
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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