General
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Target
JaffaCakes118_d4f9e99e2d8365ec360bb49173bc9896
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Size
516KB
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Sample
250424-eh4lbaspz9
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MD5
d4f9e99e2d8365ec360bb49173bc9896
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SHA1
62a4337479ab1bc4ce08e338890275f75a5a27a5
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SHA256
3664435ff5113ac3376d9feef4bc24cc50b7e04223dd2fa76b29e4388eac624c
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SHA512
6688f59fd5548f1d477491d5c6b0bfa94cd54f843e39d8859454f7c59b1bca6be772a9f6f3d961a64baa4ab89088d9acd547c2343be42b53f76f592d48537ccd
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SSDEEP
12288:bpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsD:bpUNr6YkVRFkgbeqeo68Fhqy
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_d4f9e99e2d8365ec360bb49173bc9896.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
JaffaCakes118_d4f9e99e2d8365ec360bb49173bc9896.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_d4f9e99e2d8365ec360bb49173bc9896
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Size
516KB
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MD5
d4f9e99e2d8365ec360bb49173bc9896
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SHA1
62a4337479ab1bc4ce08e338890275f75a5a27a5
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SHA256
3664435ff5113ac3376d9feef4bc24cc50b7e04223dd2fa76b29e4388eac624c
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SHA512
6688f59fd5548f1d477491d5c6b0bfa94cd54f843e39d8859454f7c59b1bca6be772a9f6f3d961a64baa4ab89088d9acd547c2343be42b53f76f592d48537ccd
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SSDEEP
12288:bpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsD:bpUNr6YkVRFkgbeqeo68Fhqy
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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 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