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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
    27/09/2024, 21:03

General

  • Target

    9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe

  • Size

    29KB

  • MD5

    fc8913347e1b88f0bce5088dc6f5f210

  • SHA1

    516330080d88e2cd259bd9f98b4422f7cc8ddd81

  • SHA256

    9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407

  • SHA512

    8529a98be8f2dd0b7a53daee943d99636cab7232023bce1f8983b45f3c2391dd15450bd34c53f4b1273aec7e053d4a0968d3bafbc7f91d07e7789fd4de14554e

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/of:AEwVs+0jNDY1qi/qgf

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 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe
    "C:\Users\Admin\AppData\Local\Temp\9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • 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:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/1640-49-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-32-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-61-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-56-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-54-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-19-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-20-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-25-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-30-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-10-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-37-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-42-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1640-44-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2548-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2548-17-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2548-16-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2548-4-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2548-60-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB