Analysis

  • max time kernel
    30s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2024, 07:46

Errors

Reason
Machine shutdown

General

  • Target

    cc6f4385cd9e778f241bddc1467e1e8c_JaffaCakes118.exe

  • Size

    755KB

  • MD5

    cc6f4385cd9e778f241bddc1467e1e8c

  • SHA1

    77d091a48cfe12a00e4e9e5ce76ba0df8245d631

  • SHA256

    3cf884c82bfa4d0465dc71b089185a784dde18ca0d5dfa6b9f9a35ff5950a92d

  • SHA512

    b263cd148f5411e89a77bbc2965d6534c12ffe7759a5757788a0b24884e382077552671dd1447e7c34576d5c2b525035a294723b98381d5302df7d85d9dbc49c

  • SSDEEP

    12288:F9pfgD4Ea7F9oTIUrDcD51DTVYEfSp4fTSNvcdXm7H8RG6RbJJvH2:r1gXb7roPVYEf7fWpqXm77+JvH2

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 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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
  • 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 2 IoCs

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

  • Modifies registry class 4 IoCs
  • 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\cc6f4385cd9e778f241bddc1467e1e8c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cc6f4385cd9e778f241bddc1467e1e8c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\cc6f4385cd9e778f241bddc1467e1e8c_JaffaCakes118.exe"
      2⤵
      • UAC bypass
      • Deletes itself
      • 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
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:4368
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    7c3ff4d4d394fde7c693d04c488a55f8

    SHA1

    ae2b2acc7e91a910f9075e0e095b528e97827ba4

    SHA256

    4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

    SHA512

    33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

  • C:\Windows\mstwain32.exe

    Filesize

    755KB

    MD5

    cc6f4385cd9e778f241bddc1467e1e8c

    SHA1

    77d091a48cfe12a00e4e9e5ce76ba0df8245d631

    SHA256

    3cf884c82bfa4d0465dc71b089185a784dde18ca0d5dfa6b9f9a35ff5950a92d

    SHA512

    b263cd148f5411e89a77bbc2965d6534c12ffe7759a5757788a0b24884e382077552671dd1447e7c34576d5c2b525035a294723b98381d5302df7d85d9dbc49c

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/2684-0-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2684-3-0x0000000000401000-0x000000000044C000-memory.dmp

    Filesize

    300KB

  • memory/2684-6-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2684-14-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2684-15-0x0000000000401000-0x000000000044C000-memory.dmp

    Filesize

    300KB

  • memory/4368-26-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/4368-30-0x0000000002470000-0x000000000247E000-memory.dmp

    Filesize

    56KB

  • memory/4368-19-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/4368-33-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/4368-35-0x0000000002470000-0x000000000247E000-memory.dmp

    Filesize

    56KB

  • memory/4368-34-0x00000000023E0000-0x00000000023E8000-memory.dmp

    Filesize

    32KB

  • memory/4368-36-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/4368-37-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/4368-38-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB