General
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Target
JaffaCakes118_a68c161fef4b2d8628e484725608c32a
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Size
472KB
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Sample
250409-yppkhs1tbx
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MD5
a68c161fef4b2d8628e484725608c32a
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SHA1
9a2d09040cba8c35310cc74018fcf3c6e3b30367
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SHA256
d87db55477a0f36b5c94e16d8f60ac79745be3d58cc77db6be405e8e4afb911c
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SHA512
0bd8b1d3ffd40d8b47ea46f802ed28242e981376c16b2a74113b42eb56d38eafe45e8604b26866dd4e70d23172d7f4d78ad1e3b2997bdbf448b1ff5e127a0cef
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SSDEEP
6144:38X8RUw9Oz5+iUU03pej1YpTYzOb0kLXhlJFTaLTGu0yvHcr+JB8aU0p+:MsRy+ZyYpaCDJFuPyAHcqrUT
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_a68c161fef4b2d8628e484725608c32a.exe
Resource
win10v2004-20250313-en
Malware Config
Targets
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Target
JaffaCakes118_a68c161fef4b2d8628e484725608c32a
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Size
472KB
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MD5
a68c161fef4b2d8628e484725608c32a
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SHA1
9a2d09040cba8c35310cc74018fcf3c6e3b30367
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SHA256
d87db55477a0f36b5c94e16d8f60ac79745be3d58cc77db6be405e8e4afb911c
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SHA512
0bd8b1d3ffd40d8b47ea46f802ed28242e981376c16b2a74113b42eb56d38eafe45e8604b26866dd4e70d23172d7f4d78ad1e3b2997bdbf448b1ff5e127a0cef
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SSDEEP
6144:38X8RUw9Oz5+iUU03pej1YpTYzOb0kLXhlJFTaLTGu0yvHcr+JB8aU0p+:MsRy+ZyYpaCDJFuPyAHcqrUT
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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 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