Analysis

  • max time kernel
    143s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 06:33

General

  • Target
    28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe
  • Size 270KB
  • Sample240509-hblcyaee3t
  • SHA256 f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2140
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3444

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        cmsetac.dll

        • Path C:\Windows\cmsetac.dll
        • Size 33KB
        • SHA256 4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8
        • MD5 SHA1 SHA512 SSDEEP

        mstwain32.exe

        • Path C:\Windows\mstwain32.exe
        • Size 270KB
        • SHA256 f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e
        • MD5 SHA1 SHA512 SSDEEP

        ntdtcstp.dll

        • Path C:\Windows\ntdtcstp.dll
        • Size 7KB
        • SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
        • MD5 SHA1 SHA512 SSDEEP

        memory/1572-10-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/1572-9-0x00000000005E0000-0x00000000005E1000-memory.dmp

        memory/2140-32-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-38-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-25-0x0000000002250000-0x0000000002251000-memory.dmp

        memory/2140-26-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-28-0x0000000002260000-0x000000000226E000-memory.dmp

        memory/2140-27-0x0000000002120000-0x0000000002128000-memory.dmp

        memory/2140-29-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-18-0x00000000006F0000-0x00000000006F1000-memory.dmp

        memory/2140-35-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-22-0x0000000002260000-0x000000000226E000-memory.dmp

        memory/2140-41-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-44-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-47-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-50-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-53-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-56-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-59-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-62-0x0000000000400000-0x000000000044B000-memory.dmp

        memory/2140-65-0x0000000000400000-0x000000000044B000-memory.dmp