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Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 05:22

General

  • Target

    07a55baff3f0989cff1932de7c2187ed.exe

  • Size

    186KB

  • MD5

    07a55baff3f0989cff1932de7c2187ed

  • SHA1

    cc30f57cbd65b98734158f9734d092fb4f65d801

  • SHA256

    24a5dfdd46040c38afdd85c6ecb248abdce920b48d423f0b803ee5e30d284375

  • SHA512

    b7b0ef41f0a1fb2c880c6beff907d9980aeee0b14c4ec71d920497f709fe7778ca95e54d1a8c8f9cae392ece1bb39ccce8fb3040ea9858afc2e6380b8c556018

  • SSDEEP

    3072:DXsEMh4Qi7+x8a4f58GgyQl3RGzD6uiushKnsQjY4PwUsOUIgESo6OJ4:DXsEHQiI8acMlAsuY0OUhzSoY

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07a55baff3f0989cff1932de7c2187ed.exe
    "C:\Users\Admin\AppData\Local\Temp\07a55baff3f0989cff1932de7c2187ed.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Users\Admin\AppData\Local\Temp\n2364\ins2364.exe
      "C:\Users\Admin\AppData\Local\Temp\n2364\ins2364.exe" ins.exe /t102c65da4b9349e0615e908f6c7c28 /e12028019 /u17e89388-634a-11e3-b23b-80c16e6f498c
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2364\ins2364.exe

    Filesize

    264KB

    MD5

    5653950415888177a9cbb4c7fb8e223e

    SHA1

    a523b9aacb99da11feebda1bf1b27687f839977b

    SHA256

    d2606331b86cb80d05a59ed1055983cf38bc17f3e5bf01543c40decfc67acf45

    SHA512

    6deeac7c1e39d328f6b43c582343cc2026934f36b75287811e677405d74d1f2b524a14de05688172f30a10449238d4a5e6ac96e21c1d341a3fb59cb626b04d96

  • memory/3740-12-0x0000000073F70000-0x0000000074521000-memory.dmp

    Filesize

    5.7MB

  • memory/3740-14-0x0000000000920000-0x0000000000930000-memory.dmp

    Filesize

    64KB

  • memory/3740-13-0x0000000073F70000-0x0000000074521000-memory.dmp

    Filesize

    5.7MB

  • memory/3740-18-0x0000000000920000-0x0000000000930000-memory.dmp

    Filesize

    64KB

  • memory/3740-17-0x0000000000920000-0x0000000000930000-memory.dmp

    Filesize

    64KB

  • memory/3740-21-0x0000000073F70000-0x0000000074521000-memory.dmp

    Filesize

    5.7MB

  • memory/4260-0-0x0000000000BF0000-0x0000000000C69000-memory.dmp

    Filesize

    484KB

  • memory/4260-19-0x0000000000BF0000-0x0000000000C69000-memory.dmp

    Filesize

    484KB

  • memory/4260-22-0x0000000000BF0000-0x0000000000C69000-memory.dmp

    Filesize

    484KB