Analysis

  • max time kernel
    120s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 20:15

General

  • Target

    135ea0ffe35cc187d3cafcd8da15808ccf1558fdfe9893c1578b68cc16cc72b7N.exe

  • Size

    29KB

  • MD5

    fa1f77c78a181c7195d5c401d02355d0

  • SHA1

    deca9d9f06260fca593c154a98380386b3df22a3

  • SHA256

    135ea0ffe35cc187d3cafcd8da15808ccf1558fdfe9893c1578b68cc16cc72b7

  • SHA512

    716cd24499e4cef48cac7997f0027a1d582fffff9521073143204ce1a13b52f7f039e9933670dbc943199bb29c55c748083535904f16786cba2ce8f38fa172cc

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Hhd:AEwVs+0jNDY1qi/qPH

Malware Config

Signatures

  • Detects MyDoom family 2 IoCs
  • MyDoom

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

  • Mydoom family
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 16 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\135ea0ffe35cc187d3cafcd8da15808ccf1558fdfe9893c1578b68cc16cc72b7N.exe
    "C:\Users\Admin\AppData\Local\Temp\135ea0ffe35cc187d3cafcd8da15808ccf1558fdfe9893c1578b68cc16cc72b7N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\services.exe
      "C:\Windows\services.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/1872-22-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-44-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-63-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-58-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-56-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-51-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-20-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-46-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-11-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-27-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-32-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-34-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1872-39-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3060-2-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/3060-19-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3060-18-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3060-17-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/3060-10-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3060-9-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB