General
-
Target
JaffaCakes118_e51bd5a5e61605ab26ccddc420bace46
-
Size
540KB
-
Sample
250503-r8fndsvtdx
-
MD5
e51bd5a5e61605ab26ccddc420bace46
-
SHA1
f8a273ebf38091094ac2d453b3b5440f97b209ce
-
SHA256
325130abfb55b5d44cbecd6c708298627c5e89398492ee54c0ddbb942fd01bcd
-
SHA512
e7ee4b210b786935686539f566b1da00af73a041ddfd08eba7166336d9f27b434660e57f3a0e9e23ebcca6d1e4e0f21d7cb81c06bc44e32444464433df21f64a
-
SSDEEP
12288:epUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqso:epUNr6YkVRFkgbeqeo68Fhq
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_e51bd5a5e61605ab26ccddc420bace46.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
JaffaCakes118_e51bd5a5e61605ab26ccddc420bace46.exe
Resource
win11-20250502-en
Malware Config
Targets
-
-
Target
JaffaCakes118_e51bd5a5e61605ab26ccddc420bace46
-
Size
540KB
-
MD5
e51bd5a5e61605ab26ccddc420bace46
-
SHA1
f8a273ebf38091094ac2d453b3b5440f97b209ce
-
SHA256
325130abfb55b5d44cbecd6c708298627c5e89398492ee54c0ddbb942fd01bcd
-
SHA512
e7ee4b210b786935686539f566b1da00af73a041ddfd08eba7166336d9f27b434660e57f3a0e9e23ebcca6d1e4e0f21d7cb81c06bc44e32444464433df21f64a
-
SSDEEP
12288:epUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqso:epUNr6YkVRFkgbeqeo68Fhq
-
Modifies WinLogon for persistence
-
Pykspa family
-
UAC bypass
-
Detect Pykspa worm
-
Adds policy Run key to start application
-
Disables RegEdit via registry modification
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Impair Defenses: Safe Mode Boot
-
Adds Run key to start application
-
Checks whether UAC is enabled
-
Hijack Execution Flow: Executable Installer File Permissions Weakness
Possible Turn off User Account Control's privilege elevation for standard users.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
-
Drops file in System32 directory
-
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