Analysis
- max time kernel
133s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
03/06/2024, 13:26
General
- Target 91f23f85ec633a2a1089ad0f1b94f6c5_JaffaCakes118.exe
- Size 969KB
- Sample240603-qpre4shc84
- SHA256 de95903113d5fc7d9fd4937f84e1532756f67f38e491fa75d9a3cd828da167c8
Malware Config
Signatures
- Sets file execution options in registry 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Checks for any installed AV software in registry 1 TTPs 2 IoCs
- Drops desktop.ini file(s) 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies registry class 6 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\91f23f85ec633a2a1089ad0f1b94f6c5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\91f23f85ec633a2a1089ad0f1b94f6c5_JaffaCakes118.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\91f23f85ec633a2a1089ad0f1b94f6c5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\91f23f85ec633a2a1089ad0f1b94f6c5_JaffaCakes118.exe"2⤵
- Sets file execution options in registry
- Checks computer location settings
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x5EAD0797" /TR "C:\ProgramData\iexplore\iirnoehzy.exe" /RL HIGHEST3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exe"C:\Windows\SysWOW64\WerFault.exe"3⤵
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/972-0-0x0000000000690000-0x0000000000691000-memory.dmp
memory/972-1-0x00000000021E0000-0x000000000225B000-memory.dmp
memory/972-2-0x0000000077332000-0x0000000077333000-memory.dmp
memory/972-5-0x00000000021E0000-0x000000000225B000-memory.dmp
memory/972-3-0x0000000000400000-0x00000000004F9000-memory.dmp
memory/1160-9-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1160-8-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/1160-7-0x0000000077332000-0x0000000077333000-memory.dmp
memory/1160-6-0x00000000007C0000-0x000000000080B000-memory.dmp
memory/1160-4-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1160-10-0x00000000007C0000-0x000000000080B000-memory.dmp
memory/1160-12-0x00000000007C0000-0x000000000080B000-memory.dmp
memory/3684-13-0x0000000000320000-0x000000000039B000-memory.dmp
memory/3684-14-0x0000000001240000-0x0000000001381000-memory.dmp
memory/3684-15-0x0000000001240000-0x0000000001381000-memory.dmp