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General
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Target
JaffaCakes118_682d584fa085351fcda9f5a68977f700
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Size
252KB
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Sample
250102-zmkdfsvpf1
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MD5
682d584fa085351fcda9f5a68977f700
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SHA1
5f9ff643597ebaf454027b485c3c0014a8b0930c
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SHA256
661fd0baa01726208477d594969c273dfe128348f4a37eb403f7c75b2be65812
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SHA512
5dacb6710c8b5cc42f873a90ccbd741420b59554bf987d8a30569c6cc52ec803adf8db76371ce2b3cd48c3c9edeeb3af576138d811e88e5220145a2a2dbab8a9
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SSDEEP
6144:gcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:gcWkbgTYWnYnt/IDYhP
Behavioral task
behavioral1
Sample
JaffaCakes118_682d584fa085351fcda9f5a68977f700.exe
Resource
win7-20240708-en
Malware Config
Extracted
darkcomet
Guest16
pupka2101.ddns.net:1488
DC_MUTEX-18HZMJJ
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InstallPath
MSDCSC\msdcsc.exe
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gencode
Xb7EjeBGNDeq
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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
MicroUpdate
Targets
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Target
JaffaCakes118_682d584fa085351fcda9f5a68977f700
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Size
252KB
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MD5
682d584fa085351fcda9f5a68977f700
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SHA1
5f9ff643597ebaf454027b485c3c0014a8b0930c
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SHA256
661fd0baa01726208477d594969c273dfe128348f4a37eb403f7c75b2be65812
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SHA512
5dacb6710c8b5cc42f873a90ccbd741420b59554bf987d8a30569c6cc52ec803adf8db76371ce2b3cd48c3c9edeeb3af576138d811e88e5220145a2a2dbab8a9
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SSDEEP
6144:gcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:gcWkbgTYWnYnt/IDYhP
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Darkcomet family
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Modifies WinLogon for persistence
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Modifies firewall policy service
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Modifies security service
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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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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Loads dropped DLL
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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
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7