General
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Target
JaffaCakes118_e3d58ef268559a0659453440d437c915
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Size
1016KB
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Sample
250503-mmn1es1tgt
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MD5
e3d58ef268559a0659453440d437c915
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SHA1
d939a4be450b1f3f0cf01063a09fa4be19e5b9a5
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SHA256
8169b543d5eaadd434642a60da4ac0a1322c73865867afb583b2ca01aa2b7ec8
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SHA512
36a36d878c9b71ee903fb8a6cb42ea8b3985daf5bb6802f14b44a94a78d2bc9930a4a4c00bbd84a0b24f5b4497b4602a2da1b98d336cf9e686733c51d8fb6bec
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SSDEEP
6144:EIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUgSef:EIXsgtvm1De5YlOx6lzBH46UMf
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_e3d58ef268559a0659453440d437c915.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
JaffaCakes118_e3d58ef268559a0659453440d437c915.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
JaffaCakes118_e3d58ef268559a0659453440d437c915
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Size
1016KB
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MD5
e3d58ef268559a0659453440d437c915
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SHA1
d939a4be450b1f3f0cf01063a09fa4be19e5b9a5
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SHA256
8169b543d5eaadd434642a60da4ac0a1322c73865867afb583b2ca01aa2b7ec8
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SHA512
36a36d878c9b71ee903fb8a6cb42ea8b3985daf5bb6802f14b44a94a78d2bc9930a4a4c00bbd84a0b24f5b4497b4602a2da1b98d336cf9e686733c51d8fb6bec
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SSDEEP
6144:EIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUgSef:EIXsgtvm1De5YlOx6lzBH46UMf
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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 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 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