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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
    14/10/2024, 17:58

General

  • Target

    19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe

  • Size

    29KB

  • MD5

    470fbaf58e794e2944722593012b5930

  • SHA1

    0dc635f337ff2a21ca973b9b3f8abd62854533c6

  • SHA256

    19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387

  • SHA512

    67f615c976b84c8821f908dd478549ae7dffd4073985fd92d3f413b21b466e957ca79fd2f2059c72175726dbea2b2c4dc1624d1fb0c7916707e856d13bf06095

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/+Y:AEwVs+0jNDY1qi/qZ

Malware Config

Signatures

  • Detects MyDoom family 2 IoCs
  • MyDoom

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 17 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\19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe
    "C:\Users\Admin\AppData\Local\Temp\19c7ac11d731726b629ac5306d53e72023db739b717107b4033e1d3b1a760387N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2404
    • 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:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    256B

    MD5

    eaf4878c38c2d239eb64e174d0ecc06f

    SHA1

    c12bb6482862c53160ddc444a10d582fde018aeb

    SHA256

    34ea4653540824d7d519f381ee1350bf610502cdebab466b83833a3e4337155d

    SHA512

    272591da41b73aaaafeaed6c3fe6436acee907a2894cf580118a1834b95440a766b08968013a655f7468d158c8dfbc26d457c734637eee8c73fc1d0904b1575b

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/2404-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2404-4-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/2404-15-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2404-16-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/2404-59-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2592-31-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-29-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-24-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-36-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-41-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-43-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-19-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-48-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-53-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-55-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-18-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2592-60-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB