Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 13:41

General

  • Target

    fbc246bd9dbfefe6c03df700ea6f8d9e_JaffaCakes118.exe

  • Size

    362KB

  • MD5

    fbc246bd9dbfefe6c03df700ea6f8d9e

  • SHA1

    b4ccf82e9853161eaa6bd2cf5881cc4cfcba9141

  • SHA256

    baefe2f6247b41427216e4ccbba85d0e61294881d1cd6f22897e88d93df0742f

  • SHA512

    c5f89c1a8be2fa6d5640963611acd3358221709edd6c8240b14cd5337eab16261dab133042acf9b5809492889d917f4abd274719a611134b0e557797f4fc4b27

  • SSDEEP

    6144:K5IN5Ii+5INDD4tM/6yTPJerckAozTSs/9/IOOYpelfMJX4eOrgCAbfMbIWwxLEh:KIq7g6yTPQCuTSI9prIfUX4NqfCI1wLF

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 25 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 1 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
  • 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 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 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\fbc246bd9dbfefe6c03df700ea6f8d9e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbc246bd9dbfefe6c03df700ea6f8d9e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\fbc246bd9dbfefe6c03df700ea6f8d9e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fbc246bd9dbfefe6c03df700ea6f8d9e_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:4608
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1632
        • 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
          • System policy modification
          PID:4788
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\mstwain32.exe

    Filesize

    362KB

    MD5

    fbc246bd9dbfefe6c03df700ea6f8d9e

    SHA1

    b4ccf82e9853161eaa6bd2cf5881cc4cfcba9141

    SHA256

    baefe2f6247b41427216e4ccbba85d0e61294881d1cd6f22897e88d93df0742f

    SHA512

    c5f89c1a8be2fa6d5640963611acd3358221709edd6c8240b14cd5337eab16261dab133042acf9b5809492889d917f4abd274719a611134b0e557797f4fc4b27

  • C:\Windows\ntdtcstp.dll

    Filesize

    40KB

    MD5

    3f689ab34ba20ffbc647f3c4ce7c9c92

    SHA1

    0275be6c5d43a4916f4b6b2b4aa06398e193206f

    SHA256

    003eb1ba56dc99c6a6d4e8f35233edcee64aa8001ac5f7289369cae2325ff019

    SHA512

    5336b3d410c21746a81a67c1b0da791d5592d4dc42fe559bc9b12a89b6bc6aef04b385a1566e55a7599c2489741ee7b0953f9cb0b3b5b9a9feb006678e2bdbce

  • memory/1632-30-0x0000000000400000-0x0000000000419001-memory.dmp

    Filesize

    100KB

  • memory/3020-7-0x0000000000400000-0x0000000000419001-memory.dmp

    Filesize

    100KB

  • memory/3020-0-0x0000000000400000-0x0000000000419001-memory.dmp

    Filesize

    100KB

  • memory/4608-3-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4608-4-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4608-5-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4608-6-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4608-19-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-36-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-41-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-35-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-28-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-37-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-38-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-39-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-40-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-31-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-42-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-43-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-45-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-46-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-48-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-49-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-51-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB