General
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Target
JaffaCakes118_8a37689689c2c8072ce71dc9eaee9278
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Size
512KB
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Sample
250328-btpdzssnw5
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MD5
8a37689689c2c8072ce71dc9eaee9278
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SHA1
9f4b5397777e2740b9c42f5df71eeb143854dd0a
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SHA256
a8b7dd0803b23353719c57aa2a57b6124e5aceb16da43b803b146f4e28a1f921
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SHA512
d30f59e78c4134770d16ebb8e56d280e21dd221fa43b4a9b604e438b0f3a67d2ec86dae029509b94e5e5b64d92c64f71df6b66643e034384df5b5f8158930191
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SSDEEP
12288:gQMiG+2gef5x/xQTB2OfDKC7WgcURfMMMMM2MMMMM:gQ0+29VgfDnKwRfMMMMM2MMMMM
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8a37689689c2c8072ce71dc9eaee9278.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_8a37689689c2c8072ce71dc9eaee9278.exe
Resource
win10v2004-20250313-en
Malware Config
Targets
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Target
JaffaCakes118_8a37689689c2c8072ce71dc9eaee9278
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Size
512KB
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MD5
8a37689689c2c8072ce71dc9eaee9278
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SHA1
9f4b5397777e2740b9c42f5df71eeb143854dd0a
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SHA256
a8b7dd0803b23353719c57aa2a57b6124e5aceb16da43b803b146f4e28a1f921
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SHA512
d30f59e78c4134770d16ebb8e56d280e21dd221fa43b4a9b604e438b0f3a67d2ec86dae029509b94e5e5b64d92c64f71df6b66643e034384df5b5f8158930191
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SSDEEP
12288:gQMiG+2gef5x/xQTB2OfDKC7WgcURfMMMMM2MMMMM:gQ0+29VgfDnKwRfMMMMM2MMMMM
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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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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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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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Loads dropped DLL
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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 v15
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry 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
4Active Setup
1Registry 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
6