Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 02:47

General

  • Target
    0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe
  • Size 269KB
  • Sample241003-c94dhs1blp
  • SHA256 025199f433bbde5de98929b370dc491b84ea0abfa1b897d75127b283e43ea2d5
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\installer5.exe
      C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\installer5.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT132061115S /e5818302 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:3216
      • C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT132061115S /e5818302 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

        • Path C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
        • Size 248KB
        • SHA256 e522bbb4e53e1fe3d4d4e3a8dc925d96afe02b1e50b604ef8e2a6abf194120ac
        • MD5 SHA1 SHA512 SSDEEP

        installer5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\installer5.exe
        • Size 215KB
        • SHA256 28e778a7e5f91d27cf37e7ed8624adb8e9f33d7d12d64ed6420b5345052591b0
        • MD5 SHA1 SHA512 SSDEEP

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\nsExec.dll
        • Size 8KB
        • SHA256 7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce
        • MD5 SHA1 SHA512 SSDEEP

        memory/856-46-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/856-51-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/856-42-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/856-44-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/856-43-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/856-45-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/2028-57-0x0000000000400000-0x0000000000439000-memory.dmp

        memory/3216-11-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/3216-47-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/3216-48-0x0000000074662000-0x0000000074663000-memory.dmp

        memory/3216-49-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/3216-10-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/3216-53-0x0000000074660000-0x0000000074C11000-memory.dmp

        memory/3216-9-0x0000000074662000-0x0000000074663000-memory.dmp