General
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Target
bc4f1363db88695e58a5fa8c83cb4a0709bba748735276e6b7704a4db710c29c
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Size
338KB
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Sample
240417-rxshtadf9t
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MD5
7a6dc1ecba4192c09cf17d6ab134f2b1
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SHA1
2c5a9406185688a98296c6fd91449f9f2b38fad3
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SHA256
bc4f1363db88695e58a5fa8c83cb4a0709bba748735276e6b7704a4db710c29c
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SHA512
91a79730ae6ef39db0d8ecae483743fd65751140537bdff7dca936ce46c0bbf04bceae6b13965a49f8e1367615e9e28f116effbcfced6d0660369c60ecbb508a
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SSDEEP
6144:PxBQeLcosaIguahMeqakhzBMfCbNymI+GQJFHdJd0GSciHPXd8:ce7/IgB7a9MfC5yZ+GQJX0Mif6
Behavioral task
behavioral1
Sample
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe
Resource
win7-20240319-en
Malware Config
Extracted
darkcomet
Sazan
sussysdfffdfff343.duckdns.org:1604
DC_MUTEX-TUY24DX
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InstallPath
MSDCSC\msdcsc.exe
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gencode
TPTxFZiBzSR9
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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
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165.exe
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Size
659KB
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MD5
21cb738e372351de0abf0f5bc532ab2c
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SHA1
af006c081c76f91866f377059db52576478aab82
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SHA256
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165
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SHA512
308150556c89f262b74130c0548c134bc1e0ad4e29dd04500e297f53b15988fb3f79cda8a0dafeb225a8ceac1bec5ccfd57a88d02d16dbb82e29d5d703e4cde8
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SSDEEP
12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hy:aZ1xuVVjfFoynPaVBUR8f+kN10EBA
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Modifies WinLogon for persistence
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Modifies security service
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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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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
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1