Analysis

  • max time kernel
    120s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 20:15

General

  • Target

    735beead768de70b0557c92e76b57e0b89ddeab799c88472c59d9c538c63d2b0N.exe

  • Size

    29KB

  • MD5

    44ef2d4b8049eb26ab2ee890edb465d0

  • SHA1

    a657ca650a1db6d59313f6a6fd6c5dd432273da7

  • SHA256

    735beead768de70b0557c92e76b57e0b89ddeab799c88472c59d9c538c63d2b0

  • SHA512

    531ad7df818ec843cab55b54e2fbe3ab9764c17b4ac8a198b9bd6bc6ef9dee2d0e956407bc00656ffc4272f8b42437a2262d702435af29ee51891e297c2dfb39

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/b:AEwVs+0jNDY1qi/qj

Malware Config

Signatures

  • Detects MyDoom family 3 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 18 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\735beead768de70b0557c92e76b57e0b89ddeab799c88472c59d9c538c63d2b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\735beead768de70b0557c92e76b57e0b89ddeab799c88472c59d9c538c63d2b0N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2232
    • 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:1292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\kfwPe.log

    Filesize

    320B

    MD5

    2637425b9ff7dd3232afcfeb7a326380

    SHA1

    b2513ce233c82d6c7c42675cb33b7af1ad470f85

    SHA256

    207afbd3e5ea4b14160d043b089e8b40c5a47c98e4d1ec0ae95e7b672575f704

    SHA512

    9c0ca4a2289a19f81f44fc070c79b39a49db1dbcfd17efe2960f1aa604389874da4e22528fccaa622d89c06bda857a0ff387e10fba59d206fd884293d41ee96e

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/1292-33-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-40-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-15-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-16-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-21-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-26-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-28-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-57-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-38-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-52-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-6-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-45-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1292-50-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2232-13-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2232-56-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2232-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2232-58-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB