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Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 08:00

General

  • Target

    71b29326e25cd4536eccf0f66c41b229.exe

  • Size

    1.0MB

  • MD5

    71b29326e25cd4536eccf0f66c41b229

  • SHA1

    10754a00be9726f05671f69d1790a7e797af87ab

  • SHA256

    7b9ed8b14141105159a339086596cc103523e615b309e53beb56e68fb82df384

  • SHA512

    c290be316da8c240aefdbfc447c673473036a5ed3458b2141f06b0e3309faf0a4b4af385fde8aba0970568f618bd0d0bec44264aef6c0914e76f5f101ffec089

  • SSDEEP

    24576:dvVoxa8cIWoSpaBFasuLcdm4RrU9hgauaEZsoVhka20y2o61yMWXQC+aSMysCP4V:ddoxa8cIWoSpaBFasuLcdrrU9hgauaEi

Score
10/10

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3368
      • C:\Users\Admin\AppData\Local\Temp\71b29326e25cd4536eccf0f66c41b229.exe
        "C:\Users\Admin\AppData\Local\Temp\71b29326e25cd4536eccf0f66c41b229.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1392
        • C:\Users\Admin\AppData\Local\Temp\4300_1.exe
          "C:\Users\Admin\AppData\Local\Temp\4300_1.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2164
          • C:\Users\Admin\AppData\Local\Temp\4300_1.exe
            C:\Users\Admin\AppData\Local\Temp\4300_1.exe
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\4300_1.exe

      Filesize

      56KB

      MD5

      f675d5cd6440557c1468544f7ef88298

      SHA1

      a71b3c7a8bc4dd41773e93758f34e9b974e1d475

      SHA256

      87aa72f7daf03411bef423c089496e95b7ee54737413b84c666f0c7920932fb6

      SHA512

      f3798fa2b2274063bcfaf16c7a8881e33320faa75a1e2d16b835e0ccfde65182d89b63b047384f4942212132584f349a2c1f80de347a7439805ce81c111616d5

    • memory/1392-13-0x0000000000400000-0x0000000000512000-memory.dmp

      Filesize

      1.1MB

    • memory/2164-12-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/2164-19-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/3368-24-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

      Filesize

      28KB

    • memory/3368-25-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

      Filesize

      4KB

    • memory/4536-16-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4536-22-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4536-23-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/4536-21-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4536-28-0x0000000000410000-0x00000000004D9000-memory.dmp

      Filesize

      804KB

    • memory/4536-29-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4536-30-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB