General
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Target
JaffaCakes118_c940916a51510ded99612bd93114de0d
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Size
472KB
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Sample
250421-pkp6tattev
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MD5
c940916a51510ded99612bd93114de0d
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SHA1
af052d166386189ab6c14e8e49831b6459c42b5f
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SHA256
23500abd545b632364da058b1e9fa90a6c5377fd39266246bee94b0be750775a
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SHA512
7981e1a0e321645e396b80b9bddc102f901466f85f74bb252bf99088e083033a55a8eaad519b428cd161038a6d32e5a47c44dbc3ec2e2f8dc41cc21c2bd87ef1
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SSDEEP
6144:CIX6L0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUIoHb:CIX6gtvm1De5YlOx6lzBH46U5Hb
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_c940916a51510ded99612bd93114de0d.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_c940916a51510ded99612bd93114de0d.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_c940916a51510ded99612bd93114de0d
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Size
472KB
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MD5
c940916a51510ded99612bd93114de0d
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SHA1
af052d166386189ab6c14e8e49831b6459c42b5f
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SHA256
23500abd545b632364da058b1e9fa90a6c5377fd39266246bee94b0be750775a
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SHA512
7981e1a0e321645e396b80b9bddc102f901466f85f74bb252bf99088e083033a55a8eaad519b428cd161038a6d32e5a47c44dbc3ec2e2f8dc41cc21c2bd87ef1
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SSDEEP
6144:CIX6L0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUIoHb:CIX6gtvm1De5YlOx6lzBH46U5Hb
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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