Overview

overview

10

Static

static

10

37c9312a75...1b.exe

windows7-x64

10

37c9312a75...1b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 17:28

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General

  • Target

    37c9312a75ef93ab05d3d8ed59d4906e876dc57bccac52b065f4f297df28b21b.exe

  • Size

    23KB

  • MD5

    5fbbb1aedabb81dc6c360985266ca192

  • SHA1

    48c86665be1d8389e245cda2afa986d8253157d5

  • SHA256

    37c9312a75ef93ab05d3d8ed59d4906e876dc57bccac52b065f4f297df28b21b

  • SHA512

    e4b882c0b1f76fc8b732900f88141f1ae841f44a4092f5fe0678afab782f0851da18e5fd93c9c59c03934a3651723852d18ccb90540cc01e0a10cc5cb46c34d5

  • SSDEEP

    384:FZcpzCIqdG3A3WUkx38GZDJuJbf1+o44u8gHzUp7A5KkN:SCIqdH/k1ZVcT194jp4pkZN

Score
10/10
mydoomdiscoverypersistenceupxworm

Malware Config

Signatures

  • Detects MyDoom family 11 IoCs
  • MyDoom

    MyDoom is a Worm that is written in C++.

    wormmydoom
  • Mydoom family
    mydoom
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • UPX packed file 12 IoCs

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

    upx
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\37c9312a75ef93ab05d3d8ed59d4906e876dc57bccac52b065f4f297df28b21b.exe
    "C:\Users\Admin\AppData\Local\Temp\37c9312a75ef93ab05d3d8ed59d4906e876dc57bccac52b065f4f297df28b21b.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:2860
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\Microsoft Shared\ink\ar-SA\WinRAR.v.3.2.and.key.ShareReactor.com
    Filesize

    23KB

    MD5

    5fbbb1aedabb81dc6c360985266ca192

    SHA1

    48c86665be1d8389e245cda2afa986d8253157d5

    SHA256

    37c9312a75ef93ab05d3d8ed59d4906e876dc57bccac52b065f4f297df28b21b

    SHA512

    e4b882c0b1f76fc8b732900f88141f1ae841f44a4092f5fe0678afab782f0851da18e5fd93c9c59c03934a3651723852d18ccb90540cc01e0a10cc5cb46c34d5

    Download Submit

  • memory/2136-147-0x00000000021B0000-0x00000000021C0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2860-94-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-8-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-13-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-6-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-1-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-122-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-123-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-145-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-146-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-4-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2860-149-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download