General
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Target
JaffaCakes118_de7ea5f8531ff739ef16ff84627e12e4
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Size
1020KB
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Sample
250428-nzlaqsvsbz
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MD5
de7ea5f8531ff739ef16ff84627e12e4
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SHA1
8eb08ba86fe5443a0618aa89758406c8696f9ca6
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SHA256
52ea5ce70986e3d6451f7bcf724216e2dbc95bf44f0264df2517b8cb39f946c7
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SHA512
6cb040cf49e88bb55d42609a09a4f07ae2fb4b78c6d2de990f66121d9ffa652f1c7106057c0d37e50ff31acb22aeef99cf86410bab7e407ccaf9c9d6d7b86989
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SSDEEP
12288:I0Kr3QboC9qLGKgZKe4HYpHvcbTa7rGNrkty0fkhAlmvHRVg:BQ3QbiGL8LwHdErmyFAeHQ
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_de7ea5f8531ff739ef16ff84627e12e4.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
JaffaCakes118_de7ea5f8531ff739ef16ff84627e12e4.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_de7ea5f8531ff739ef16ff84627e12e4
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Size
1020KB
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MD5
de7ea5f8531ff739ef16ff84627e12e4
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SHA1
8eb08ba86fe5443a0618aa89758406c8696f9ca6
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SHA256
52ea5ce70986e3d6451f7bcf724216e2dbc95bf44f0264df2517b8cb39f946c7
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SHA512
6cb040cf49e88bb55d42609a09a4f07ae2fb4b78c6d2de990f66121d9ffa652f1c7106057c0d37e50ff31acb22aeef99cf86410bab7e407ccaf9c9d6d7b86989
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SSDEEP
12288:I0Kr3QboC9qLGKgZKe4HYpHvcbTa7rGNrkty0fkhAlmvHRVg:BQ3QbiGL8LwHdErmyFAeHQ
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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