General
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Target
JaffaCakes118_a2a7aad6763626e854a3f14bf347be66
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Size
560KB
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Sample
250409-b4fvlawnw7
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MD5
a2a7aad6763626e854a3f14bf347be66
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SHA1
e5b3e6fd3c7ed533beeac99f2a0f9c6fb876b1d2
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SHA256
57ce6e0285c48145146faf01afc67b06ea8d57eab327300b7888e5312c3a64f0
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SHA512
09c2ba0f72bd892d9a25a6c241c52e495f2a3108be17a88ee2644f179d0e242126f17cd7fe3c95f5a25ccb4f2f1b7a83923e25c148c593cb7158fa3cf6491728
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SSDEEP
6144:5IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUG64KV:5IXsgtvm1De5YlOx6lzBH46UG6NV
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_a2a7aad6763626e854a3f14bf347be66.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_a2a7aad6763626e854a3f14bf347be66
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Size
560KB
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MD5
a2a7aad6763626e854a3f14bf347be66
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SHA1
e5b3e6fd3c7ed533beeac99f2a0f9c6fb876b1d2
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SHA256
57ce6e0285c48145146faf01afc67b06ea8d57eab327300b7888e5312c3a64f0
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SHA512
09c2ba0f72bd892d9a25a6c241c52e495f2a3108be17a88ee2644f179d0e242126f17cd7fe3c95f5a25ccb4f2f1b7a83923e25c148c593cb7158fa3cf6491728
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SSDEEP
6144:5IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUG64KV:5IXsgtvm1De5YlOx6lzBH46UG6NV
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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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Blocklisted process makes network request
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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