Resubmissions

04/02/2024, 00:10

240204-agdlaachg6 10

03/02/2024, 21:35

240203-1fn9haafe5 10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 00:10

General

  • Target

    8d6821e1b2ca8c76d1d5f15bf4f838a7.exe

  • Size

    143KB

  • MD5

    8d6821e1b2ca8c76d1d5f15bf4f838a7

  • SHA1

    040895bce4309207090f8ae51263f96948643daa

  • SHA256

    ab0bbc950ef2066a74e80ed1fab7951f2feefbfed35f71f1ff1e6a65273e9bb1

  • SHA512

    b7b4c74ad36958e98ed3f961720c74a0908023639f155fb5b06b1a8c0ab867d012315bf8abca1d636d199d6e630036a9413a9f1ae901e4e1b4076a9c3df0cf4b

  • SSDEEP

    3072:AMGIkXgig5iuvINdcsnIKaHiyI0TelORghzIdeZw:AMGI9igGNaskmvoglIdeK

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d6821e1b2ca8c76d1d5f15bf4f838a7.exe
    "C:\Users\Admin\AppData\Local\Temp\8d6821e1b2ca8c76d1d5f15bf4f838a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\8d6821e1b2ca8c76d1d5f15bf4f838a7.exe
      C:\Users\Admin\AppData\Local\Temp\8d6821e1b2ca8c76d1d5f15bf4f838a7.exe C:\Documents an
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        C:\Users\Admin\AppData\Local\Temp\svchost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1276
        • C:\Users\Admin\AppData\Local\Temp\svchost.exe
          C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Documents an
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          PID:5088
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\8D6821~1.EXE" >> NUL
        3⤵
          PID:5040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe

      Filesize

      143KB

      MD5

      8d6821e1b2ca8c76d1d5f15bf4f838a7

      SHA1

      040895bce4309207090f8ae51263f96948643daa

      SHA256

      ab0bbc950ef2066a74e80ed1fab7951f2feefbfed35f71f1ff1e6a65273e9bb1

      SHA512

      b7b4c74ad36958e98ed3f961720c74a0908023639f155fb5b06b1a8c0ab867d012315bf8abca1d636d199d6e630036a9413a9f1ae901e4e1b4076a9c3df0cf4b

    • memory/1276-15-0x0000000020000000-0x000000002002E000-memory.dmp

      Filesize

      184KB

    • memory/3076-1-0x0000000020000000-0x000000002002E000-memory.dmp

      Filesize

      184KB

    • memory/4328-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/4328-3-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/4328-4-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/4328-5-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/4328-11-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/5088-20-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/5088-21-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB