General
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Target
b341719e72998d26230fcc85259857e2_JaffaCakes118
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Size
500KB
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Sample
240821-nem9lavgqc
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MD5
b341719e72998d26230fcc85259857e2
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SHA1
04331108408f5e2743a679b2ca605706356f6759
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SHA256
c61d9bfb422e681b837b1ba4a1b280b12cad6e87f2f68901aa4267d74d6b6849
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SHA512
f9fbbfe10a466fb5edcaf55be199a233756a780788599f363e4af6c257c2643acefb22d3f46a4a7b5885ed4de44e6bbafa175d19c7da780c8e16968a4f972c3a
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SSDEEP
6144:UH6yI5HYUKReppVUnlby6ralQNeEAnbd4ClDyCSCj2LQBOL1oB8aULK1I:K6yKKgppT6rMSjq2Yj2LQoSUu1I
Static task
static1
Behavioral task
behavioral1
Sample
b341719e72998d26230fcc85259857e2_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b341719e72998d26230fcc85259857e2_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
b341719e72998d26230fcc85259857e2_JaffaCakes118
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Size
500KB
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MD5
b341719e72998d26230fcc85259857e2
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SHA1
04331108408f5e2743a679b2ca605706356f6759
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SHA256
c61d9bfb422e681b837b1ba4a1b280b12cad6e87f2f68901aa4267d74d6b6849
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SHA512
f9fbbfe10a466fb5edcaf55be199a233756a780788599f363e4af6c257c2643acefb22d3f46a4a7b5885ed4de44e6bbafa175d19c7da780c8e16968a4f972c3a
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SSDEEP
6144:UH6yI5HYUKReppVUnlby6ralQNeEAnbd4ClDyCSCj2LQBOL1oB8aULK1I:K6yKKgppT6rMSjq2Yj2LQoSUu1I
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Modifies WinLogon for persistence
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Adds policy Run key to start application
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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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Executes dropped EXE
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Impair Defenses: Safe Mode Boot
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Loads dropped DLL
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Adds Run key to start application
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Hijack Execution Flow: Executable Installer File Permissions Weakness
Possible Turn off User Account Control's privilege elevation for standard users.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Hijack Execution Flow
1Executable Installer File Permissions Weakness
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Hijack Execution Flow
1Executable Installer File Permissions Weakness
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hijack Execution Flow
1Executable Installer File Permissions Weakness
1Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
5