Analysis

  • max time kernel
    137s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2023 22:22

General

  • Target

    3b9448bf39b64455f5fea1b89528486d5d4710179057103542c469973f6127b3.exe

  • Size

    1.5MB

  • MD5

    0827adf57cd814821faa284afa795a1c

  • SHA1

    4973b29dffadcae046cc205cb22cc45de164d0a8

  • SHA256

    3b9448bf39b64455f5fea1b89528486d5d4710179057103542c469973f6127b3

  • SHA512

    b5263ff5c5f9666635aa438a1e4534b55e0e4524442d261fe89ac8d7e2a9947abc7d8905d2665a122144ab9c1dc45e1d8289d08fe385d51f0a146a68166e5aa1

  • SSDEEP

    24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WNI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTy

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b9448bf39b64455f5fea1b89528486d5d4710179057103542c469973f6127b3.exe
    "C:\Users\Admin\AppData\Local\Temp\3b9448bf39b64455f5fea1b89528486d5d4710179057103542c469973f6127b3.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:2416
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

    Filesize

    1.5MB

    MD5

    0827adf57cd814821faa284afa795a1c

    SHA1

    4973b29dffadcae046cc205cb22cc45de164d0a8

    SHA256

    3b9448bf39b64455f5fea1b89528486d5d4710179057103542c469973f6127b3

    SHA512

    b5263ff5c5f9666635aa438a1e4534b55e0e4524442d261fe89ac8d7e2a9947abc7d8905d2665a122144ab9c1dc45e1d8289d08fe385d51f0a146a68166e5aa1