General
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Target
JaffaCakes118_c1c90ccb7f44badc91ec2859323fcde2
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Size
680KB
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Sample
250419-hxrrva1mw5
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MD5
c1c90ccb7f44badc91ec2859323fcde2
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SHA1
0bc90e1a338997eb95cae02f0250a8678d8f25e4
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SHA256
c9fd2f88ae1d80838434f52f63ecc3009bda52cc0b76238121d6068999f13a43
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SHA512
464ce273e0f3c9f74bff3c864f54d532f89bea43446ca824ca3af93c3802168c41e314166a6084c0e61a43621900394bea820a2b64c8f92ea156f36ce9584e08
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SSDEEP
12288:XIX6gtvm1De5YlOx6lzBH46UVqqVpCyXJ:Xu81yMBbyb3XJ
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_c1c90ccb7f44badc91ec2859323fcde2.exe
Resource
win10v2004-20250313-en
Behavioral task
behavioral2
Sample
JaffaCakes118_c1c90ccb7f44badc91ec2859323fcde2.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_c1c90ccb7f44badc91ec2859323fcde2
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Size
680KB
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MD5
c1c90ccb7f44badc91ec2859323fcde2
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SHA1
0bc90e1a338997eb95cae02f0250a8678d8f25e4
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SHA256
c9fd2f88ae1d80838434f52f63ecc3009bda52cc0b76238121d6068999f13a43
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SHA512
464ce273e0f3c9f74bff3c864f54d532f89bea43446ca824ca3af93c3802168c41e314166a6084c0e61a43621900394bea820a2b64c8f92ea156f36ce9584e08
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SSDEEP
12288:XIX6gtvm1De5YlOx6lzBH46UVqqVpCyXJ:Xu81yMBbyb3XJ
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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