General
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Target
920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118
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Size
805KB
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Sample
241124-cxffxsyrhy
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MD5
920a6ee052bcfaf17abf6977431a6bd8
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SHA1
77541716906dc4be85ac39ea2dfced1a9ef57861
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SHA256
b088833e8dddce0b2f6d61ddefcfdc7e19941a46a8726df5efa90809cdc8f68d
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SHA512
871b134ed9d639409fc62e7f9a18ae25e673b528bf88b2e45b3931584b00c0b05f444ccb8467c6c34093b058b72833b0d1739d7bb1b6573ce25fb75c275a8f2d
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SSDEEP
12288:UIRDYapjqxhDjaAchpWsuVtDnBsBDJIcynnC90levX4CuYf2D82T3s99+VHuNKO2:U0qrmAEE3uBDhynCylQgi63O9+VuNI
Behavioral task
behavioral1
Sample
920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118.exe
Resource
win7-20241010-en
Malware Config
Targets
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Target
920a6ee052bcfaf17abf6977431a6bd8_JaffaCakes118
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Size
805KB
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MD5
920a6ee052bcfaf17abf6977431a6bd8
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SHA1
77541716906dc4be85ac39ea2dfced1a9ef57861
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SHA256
b088833e8dddce0b2f6d61ddefcfdc7e19941a46a8726df5efa90809cdc8f68d
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SHA512
871b134ed9d639409fc62e7f9a18ae25e673b528bf88b2e45b3931584b00c0b05f444ccb8467c6c34093b058b72833b0d1739d7bb1b6573ce25fb75c275a8f2d
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SSDEEP
12288:UIRDYapjqxhDjaAchpWsuVtDnBsBDJIcynnC90levX4CuYf2D82T3s99+VHuNKO2:U0qrmAEE3uBDhynCylQgi63O9+VuNI
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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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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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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
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
6