Analysis

  • max time kernel
    143s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2024, 13:53

General

  • Target

    a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe

  • Size

    188KB

  • MD5

    a8274fe687be6f6bbb3ff0ce2bb02747

  • SHA1

    4cb7570be4ef478bce408b3a9d441ec8e805f4e4

  • SHA256

    f4199919be88334675a18ec131c1ffe65690a1e0b725e3d44a9244af7b2353b1

  • SHA512

    530571ae5ca0bab3aa75f72dbee1aa2bab6dac3fca3a9abde80cab028b70b394e092459af270e4a38e95bd2ffdb2612c46dd311171726e9b4197fa498158dffe

  • SSDEEP

    3072:LMeTnBZXXA98/MUB6Tj/rm1NkYg0JH2qq7d2LeadFraelSk6sDtFYuFZd966lH:LRnBZXw9lr/dP0Byx2e49l36sDrY6O6t

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 24 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 27 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 4 IoCs
  • Suspicious use of WriteProcessMemory 19 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\a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_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:3296
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4020
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe" A0E
          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:2800
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    ef42b1b2960640fbcde8fdd9192bfc36

    SHA1

    394af2f381d54a80dfba7581a01ea96114d5df67

    SHA256

    9412894e4d3675c6ae5cc91ae2342c36adcdf3bc9a23aac131d3b69bc8bf8b9f

    SHA512

    baf595d95e6ed2bd856b62f316c7d8c342ef28cd9bff0cf5f22dd49b39674a681e0b6e791b7c866fdb11d5b51267523016ba02e5a5d5d731a54731cd7ab3a55c

  • C:\Windows\mstwain32.exe

    Filesize

    188KB

    MD5

    a8274fe687be6f6bbb3ff0ce2bb02747

    SHA1

    4cb7570be4ef478bce408b3a9d441ec8e805f4e4

    SHA256

    f4199919be88334675a18ec131c1ffe65690a1e0b725e3d44a9244af7b2353b1

    SHA512

    530571ae5ca0bab3aa75f72dbee1aa2bab6dac3fca3a9abde80cab028b70b394e092459af270e4a38e95bd2ffdb2612c46dd311171726e9b4197fa498158dffe

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/2800-46-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-59-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-86-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-28-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-29-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-30-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-31-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-83-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-38-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-42-0x0000000002490000-0x000000000249E000-memory.dmp

    Filesize

    56KB

  • memory/2800-80-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-44-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-45-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-77-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-74-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-47-0x0000000000970000-0x0000000000978000-memory.dmp

    Filesize

    32KB

  • memory/2800-65-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-50-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-53-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-56-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-48-0x0000000002490000-0x000000000249E000-memory.dmp

    Filesize

    56KB

  • memory/2800-62-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-49-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-68-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2800-71-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3296-7-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3296-4-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3296-5-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3296-6-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3296-20-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB