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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2024, 12:32

General

  • Target

    f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    f86118be19fedd46b59298317ca88a85

  • SHA1

    0e40a37fec3ccae661bea3b7cdcf3a52d53ecf6c

  • SHA256

    4544413fe80e2b9e7cda0c38e3ee1b6e7afae4a9f6aa555612b711e78b908734

  • SHA512

    0e54b9fc78626c4fdea680b2cc44146fb6c45407b9cf4e828d4d3d9626c4966719b6183140b7fef2dfa266c83fa8d2fa725326745324b241262eaba0ba226c36

  • SSDEEP

    3072:O4R2GQSSSey7Jbp0Xt4ClS87cH2ltaFx2YWg2QYl8sH4U9aE3yp1fm3nudE7GXLn:5Wk/WgxMg48zHwmm3d7GiE0E+K

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 6 IoCs
  • 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 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 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\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
      2⤵
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3120
        • C:\Windows\mstwain32.exe
          C:\Windows\mstwain32.exe
          4⤵
          • UAC bypass
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:1976
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    32KB

    MD5

    59f3b5023ba0c1903ab5495c916719b7

    SHA1

    46beb771e5b4bd2ba18f7cb41fe1deacc4e5858e

    SHA256

    79f7cc598909fa3cdd2e3ef2965234fda783e8ff5cdc60951c3ac59d1111e477

    SHA512

    4e94a56bca2ab9e3c55b9b9683d25a71caf0757f871d3b355474497f69bc9696adb5775077a6fedc70acf7b562638195b40e8e2c2082f3ba3b169f0717b75946

  • C:\Windows\mstwain32.exe

    Filesize

    200KB

    MD5

    f86118be19fedd46b59298317ca88a85

    SHA1

    0e40a37fec3ccae661bea3b7cdcf3a52d53ecf6c

    SHA256

    4544413fe80e2b9e7cda0c38e3ee1b6e7afae4a9f6aa555612b711e78b908734

    SHA512

    0e54b9fc78626c4fdea680b2cc44146fb6c45407b9cf4e828d4d3d9626c4966719b6183140b7fef2dfa266c83fa8d2fa725326745324b241262eaba0ba226c36

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1976-24-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/1976-39-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/1976-38-0x00000000041B0000-0x00000000041BE000-memory.dmp

    Filesize

    56KB

  • memory/1976-37-0x00000000030F0000-0x00000000030F8000-memory.dmp

    Filesize

    32KB

  • memory/1976-35-0x00000000041B0000-0x00000000041BE000-memory.dmp

    Filesize

    56KB

  • memory/1976-25-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/2680-5-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/2680-20-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/2680-6-0x0000000001680000-0x0000000001681000-memory.dmp

    Filesize

    4KB

  • memory/2680-2-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/2680-3-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/2680-1-0x0000000000400000-0x0000000001519000-memory.dmp

    Filesize

    17.1MB

  • memory/3120-23-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/3960-4-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB