General
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Target
JaffaCakes118_bbd7b871140426c0f77e65b9c18dbcf1
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Size
968KB
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Sample
250418-a3x7tayqx8
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MD5
bbd7b871140426c0f77e65b9c18dbcf1
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SHA1
f107fdc5b346882994efb09ba63b85e696679e4d
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SHA256
2e69cd89b60105229d7465e33802b3ff410aa6c470320732b23b88fa48572f9b
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SHA512
c30ec761442c26b0f8c86eae2aebbd09c864a2587a27ca300b7c4669eb91efd88a2a05aae21020ae3c08ba690f472a551bc85b9d83967160758aaa3c9c6ff322
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SSDEEP
12288:/pUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqs0yDYilDLvxtJzzxHs0oPYJaf4Db:/pUNr6YkVRFkgbeqeo68FhqsnvzKT+
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_bbd7b871140426c0f77e65b9c18dbcf1.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_bbd7b871140426c0f77e65b9c18dbcf1.exe
Resource
win11-20250411-en
Malware Config
Targets
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Target
JaffaCakes118_bbd7b871140426c0f77e65b9c18dbcf1
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Size
968KB
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MD5
bbd7b871140426c0f77e65b9c18dbcf1
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SHA1
f107fdc5b346882994efb09ba63b85e696679e4d
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SHA256
2e69cd89b60105229d7465e33802b3ff410aa6c470320732b23b88fa48572f9b
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SHA512
c30ec761442c26b0f8c86eae2aebbd09c864a2587a27ca300b7c4669eb91efd88a2a05aae21020ae3c08ba690f472a551bc85b9d83967160758aaa3c9c6ff322
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SSDEEP
12288:/pUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqs0yDYilDLvxtJzzxHs0oPYJaf4Db:/pUNr6YkVRFkgbeqeo68FhqsnvzKT+
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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