General
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Target
JaffaCakes118_cfe038c23eae62fc4bd8d7ae5c5811bd
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Size
484KB
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Sample
250422-1846essrt3
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MD5
cfe038c23eae62fc4bd8d7ae5c5811bd
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SHA1
452d2d1a96cb9061a0c2820af8ffb512b6784d4a
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SHA256
061260118ea16ac380208a0f6be7eedd54d786184838f5845818178f9b5078fd
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SHA512
cf9cab34934b570b05be4a8a04b2686b03d2073926c8aac5b832d0dd6eab98df31aa613365ef1bdd5e03021c06c76ae3389ad1f3e6a75ffc80de42b819e7c74b
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SSDEEP
6144:5KEGlVcJboOtGY8q75yKC2qJDrNRlpwPBYgZ9fVU93eJwN6QFbSpO4XcA2n4aA8o:5Kr3QboC9qLGKgZKe4HYpHvcbTlp0OA
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_cfe038c23eae62fc4bd8d7ae5c5811bd.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_cfe038c23eae62fc4bd8d7ae5c5811bd.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_cfe038c23eae62fc4bd8d7ae5c5811bd
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Size
484KB
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MD5
cfe038c23eae62fc4bd8d7ae5c5811bd
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SHA1
452d2d1a96cb9061a0c2820af8ffb512b6784d4a
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SHA256
061260118ea16ac380208a0f6be7eedd54d786184838f5845818178f9b5078fd
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SHA512
cf9cab34934b570b05be4a8a04b2686b03d2073926c8aac5b832d0dd6eab98df31aa613365ef1bdd5e03021c06c76ae3389ad1f3e6a75ffc80de42b819e7c74b
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SSDEEP
6144:5KEGlVcJboOtGY8q75yKC2qJDrNRlpwPBYgZ9fVU93eJwN6QFbSpO4XcA2n4aA8o:5Kr3QboC9qLGKgZKe4HYpHvcbTlp0OA
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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 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