Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 13:49

General

  • Target

    85c36b7743003c451e9fa4ff26accfa8_JaffaCakes118.exe

  • Size

    580KB

  • MD5

    85c36b7743003c451e9fa4ff26accfa8

  • SHA1

    c1c845c1fba3c7590ec202a628067b3b50762e27

  • SHA256

    dc94be95ae15956195b8ab6f9327ed76f73db392d02f1da6ac09eb1635b8e666

  • SHA512

    73b48916759de3b868dcf82d2988adf9ec32406601512174c510524131430c2dd41fdc910c0bbb38ec1a2a5876283049ebe587a8a7aa9e5c5f0db63ad9562c06

  • SSDEEP

    12288:bR5attOIr9Pi0Xi2wJTF7N/rmLTPMWQN+843+bBVBKETb/cZmN8/:cixTGLXQcnObBPf/Kr

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 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 3 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\85c36b7743003c451e9fa4ff26accfa8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\85c36b7743003c451e9fa4ff26accfa8_JaffaCakes118.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Users\Admin\AppData\Local\Temp\85c36b7743003c451e9fa4ff26accfa8_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\85c36b7743003c451e9fa4ff26accfa8_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:2932
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\85c36b7743003c451e9fa4ff26accfa8_JaffaCakes118.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1068
        • 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:404
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\mstwain32.exe

    Filesize

    580KB

    MD5

    85c36b7743003c451e9fa4ff26accfa8

    SHA1

    c1c845c1fba3c7590ec202a628067b3b50762e27

    SHA256

    dc94be95ae15956195b8ab6f9327ed76f73db392d02f1da6ac09eb1635b8e666

    SHA512

    73b48916759de3b868dcf82d2988adf9ec32406601512174c510524131430c2dd41fdc910c0bbb38ec1a2a5876283049ebe587a8a7aa9e5c5f0db63ad9562c06

  • C:\Windows\ntdtcstp.dll

    Filesize

    283KB

    MD5

    f502486767608eafe5b1a090dc0e1014

    SHA1

    205f526a0769baae5426886cb185aa180893969f

    SHA256

    152e6113c794f5f4baaab58a5a90d27b5080a4070cc7602bc3f3f1d51a743501

    SHA512

    7ab56cf892ae261a3ed232b548e70a80962d4aeb2c86580fdcd95efc726a54a0d231a1489acf239381627909bca0567ef0c1c9888e69a5175fab6b2b7c37486e

  • memory/404-38-0x00000000022E0000-0x00000000023E6000-memory.dmp

    Filesize

    1.0MB

  • memory/404-50-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-64-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-39-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-26-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-27-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-28-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-60-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-35-0x00000000022E0000-0x00000000023E6000-memory.dmp

    Filesize

    1.0MB

  • memory/404-34-0x00000000022E0000-0x00000000023E6000-memory.dmp

    Filesize

    1.0MB

  • memory/404-36-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-37-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-66-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-62-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-48-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-42-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-44-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-46-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-41-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-58-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-52-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-54-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/404-56-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2932-5-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2932-2-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2932-19-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2932-4-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2932-3-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB