General
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Target
JaffaCakes118_aa2995e664f39da5594fe7229db71794
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Size
640KB
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Sample
250410-p18yvssjx9
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MD5
aa2995e664f39da5594fe7229db71794
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SHA1
e79322e26d88a22d83ad241a97aa9965d0af76a5
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SHA256
b7f14ca5c74288d372b0dc9e66bd34a7fb1b4d184246c5d63496f9677fd0af68
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SHA512
0847dbc3252d06cbe683c4c2fd5ceeb76757c3fb1cbe49b8847532ed5bab844763e0ca69fccfd99f83d1a22646227dbf1f02b4037cfb2b818f1b2a45a71e4dd5
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SSDEEP
12288:hIXlgtvm1De5YlOx6lzBH46UTyxeco7pQS/L7no2aT:hd81yMBbwyno7pQS/LBaT
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_aa2995e664f39da5594fe7229db71794.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_aa2995e664f39da5594fe7229db71794
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Size
640KB
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MD5
aa2995e664f39da5594fe7229db71794
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SHA1
e79322e26d88a22d83ad241a97aa9965d0af76a5
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SHA256
b7f14ca5c74288d372b0dc9e66bd34a7fb1b4d184246c5d63496f9677fd0af68
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SHA512
0847dbc3252d06cbe683c4c2fd5ceeb76757c3fb1cbe49b8847532ed5bab844763e0ca69fccfd99f83d1a22646227dbf1f02b4037cfb2b818f1b2a45a71e4dd5
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SSDEEP
12288:hIXlgtvm1De5YlOx6lzBH46UTyxeco7pQS/L7no2aT:hd81yMBbwyno7pQS/LBaT
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Modifies WinLogon for persistence
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Pykspa family
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UAC bypass
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Detect Pykspa worm
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Adds policy Run key to start application
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Disables RegEdit 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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Adds Run key to start application
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Checks whether UAC is enabled
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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 file in System32 directory
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MITRE ATT&CK Enterprise v16
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