General
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Target
JaffaCakes118_ac4168e8d78b7dd6b1e06fd758e4258f
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Size
632KB
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Sample
250411-a22tlswls4
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MD5
ac4168e8d78b7dd6b1e06fd758e4258f
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SHA1
b3098a22f33d56b72e85cda088dae2b9ac9eb656
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SHA256
9ed614a7ff1f776b2c23c28dfb845ca42b89b51afd80996422e82860fea16ee4
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SHA512
4ef00d9106179fe9a8564afae761810c7d5cb14670202f983b4f540b2165e88fee72e7c67c431ff20e26500e20bc5feae7983709085ee772576c843612d3144a
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SSDEEP
12288:gEgkDxdkL+6JNgKVcRa+fpHyWs3OBH4pUt1XIB4quawI:DxsKXa+hHyWseBgU1XIqo
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_ac4168e8d78b7dd6b1e06fd758e4258f.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_ac4168e8d78b7dd6b1e06fd758e4258f
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Size
632KB
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MD5
ac4168e8d78b7dd6b1e06fd758e4258f
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SHA1
b3098a22f33d56b72e85cda088dae2b9ac9eb656
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SHA256
9ed614a7ff1f776b2c23c28dfb845ca42b89b51afd80996422e82860fea16ee4
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SHA512
4ef00d9106179fe9a8564afae761810c7d5cb14670202f983b4f540b2165e88fee72e7c67c431ff20e26500e20bc5feae7983709085ee772576c843612d3144a
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SSDEEP
12288:gEgkDxdkL+6JNgKVcRa+fpHyWs3OBH4pUt1XIB4quawI:DxsKXa+hHyWseBgU1XIqo
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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 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