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Analysis

  • max time kernel
    145s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 13:04

General

  • Target

    e1bce9fa204b90eab1a70e1c10514877.exe

  • Size

    308KB

  • MD5

    e1bce9fa204b90eab1a70e1c10514877

  • SHA1

    b182cf33c30cd0051b36f1a6d2b10d94d60845dc

  • SHA256

    4ca293fe0a4d58ea5b5072eca47230527d1eb3eed176f85863063208fb3d641c

  • SHA512

    f3c00a7a510170231f6b0c3b62730aed124721adb6bf295bed17d4c00fbb3b89cd9dd6e212b87480498cddc0dd7557df0d8ce7ac4b2261e8804ec8368c383faa

  • SSDEEP

    6144:Yo890AlTPq3OVzGgTmPN72kYinMjIirxE2hGXRJWUqH07j1:YoUTC3OVGVPrYxjIwKJj7R

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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\e1bce9fa204b90eab1a70e1c10514877.exe
    "C:\Users\Admin\AppData\Local\Temp\e1bce9fa204b90eab1a70e1c10514877.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Users\Admin\AppData\Local\Temp\e1bce9fa204b90eab1a70e1c10514877.exe
      "C:\Users\Admin\AppData\Local\Temp\e1bce9fa204b90eab1a70e1c10514877.exe"
      2⤵
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\winlogon.exe
        "C:\Windows\winlogon.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e1bce9fa204b90eab1a70e1c10514877.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 468
          4⤵
          • Program crash
          PID:4908
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5056
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2880 -ip 2880
    1⤵
      PID:744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\winlogon.exe

      Filesize

      308KB

      MD5

      e1bce9fa204b90eab1a70e1c10514877

      SHA1

      b182cf33c30cd0051b36f1a6d2b10d94d60845dc

      SHA256

      4ca293fe0a4d58ea5b5072eca47230527d1eb3eed176f85863063208fb3d641c

      SHA512

      f3c00a7a510170231f6b0c3b62730aed124721adb6bf295bed17d4c00fbb3b89cd9dd6e212b87480498cddc0dd7557df0d8ce7ac4b2261e8804ec8368c383faa

    • memory/2880-24-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3348-0-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3348-5-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4080-3-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4080-4-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4080-6-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4080-7-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4080-19-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4080-18-0x0000000002210000-0x0000000002211000-memory.dmp

      Filesize

      4KB