General
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Target
JaffaCakes118_df3ba21999764a84d78789854a6b04d5
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Size
576KB
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Sample
250428-rpqdgsytdt
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MD5
df3ba21999764a84d78789854a6b04d5
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SHA1
42cba299d2e82b75c50cd24aa5fb73862f892cc4
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SHA256
4c9d5484415359fa6a9dd1a43d9a1250ff9f4fe038329486fb44d35d4a568aa8
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SHA512
75a5cd41ec5befd038b23f7deaca3629430ad3e80677b2bd278e08073a203fa867b3d862d4680e64d5f1844428c4a4d97b7c921ee27137ddbabb6d79f1b508a3
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SSDEEP
6144:LIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUFdbjMMqc:LIXsgtvm1De5YlOx6lzBH46U73MMq
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_df3ba21999764a84d78789854a6b04d5.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_df3ba21999764a84d78789854a6b04d5.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_df3ba21999764a84d78789854a6b04d5
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Size
576KB
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MD5
df3ba21999764a84d78789854a6b04d5
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SHA1
42cba299d2e82b75c50cd24aa5fb73862f892cc4
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SHA256
4c9d5484415359fa6a9dd1a43d9a1250ff9f4fe038329486fb44d35d4a568aa8
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SHA512
75a5cd41ec5befd038b23f7deaca3629430ad3e80677b2bd278e08073a203fa867b3d862d4680e64d5f1844428c4a4d97b7c921ee27137ddbabb6d79f1b508a3
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SSDEEP
6144:LIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUFdbjMMqc:LIXsgtvm1De5YlOx6lzBH46U73MMq
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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
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