General
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Target
JaffaCakes118_ea7c5ce8c09facd3b6bb5a1e4c397dd7
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Size
548KB
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Sample
250504-lbkceshq2x
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MD5
ea7c5ce8c09facd3b6bb5a1e4c397dd7
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SHA1
1063e786b45329749388c968a52a3b4670e59d2e
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SHA256
f104542973c41a24667ab59496442ad3a5cb7c0c7f6b895089cf43d6f4fe83fb
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SHA512
b24f9aeab0e4e2833c3767e953ea2c16d0afd67db00d4a6881424918bef11e4da979511fa18061ff8f43b03537a350995be64eb9251e86da13616872fdfcd03e
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SSDEEP
12288:J6bvdl0zCB8EDItMTzwg7lMQsvNuqZBRbZEYTwdD7IjLgWgho+5:qvdezCByqTtlMQsFuqzRbzI7IVQ5
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_ea7c5ce8c09facd3b6bb5a1e4c397dd7.exe
Resource
win10v2004-20250502-en
Malware Config
Targets
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Target
JaffaCakes118_ea7c5ce8c09facd3b6bb5a1e4c397dd7
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Size
548KB
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MD5
ea7c5ce8c09facd3b6bb5a1e4c397dd7
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SHA1
1063e786b45329749388c968a52a3b4670e59d2e
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SHA256
f104542973c41a24667ab59496442ad3a5cb7c0c7f6b895089cf43d6f4fe83fb
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SHA512
b24f9aeab0e4e2833c3767e953ea2c16d0afd67db00d4a6881424918bef11e4da979511fa18061ff8f43b03537a350995be64eb9251e86da13616872fdfcd03e
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SSDEEP
12288:J6bvdl0zCB8EDItMTzwg7lMQsvNuqZBRbZEYTwdD7IjLgWgho+5:qvdezCByqTtlMQsFuqzRbzI7IVQ5
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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