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Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/01/2025, 11:07

General

  • Target

    f8b378cb4407af82ff26545edc658f1a2cf93bf0489ab8c3441c35a3e5095ea9N.exe

  • Size

    29KB

  • MD5

    dbf9acf49c4b50d80fb5c36064fadab0

  • SHA1

    c85f97d4c3d8d534dc4a43acb459513734798b33

  • SHA256

    f8b378cb4407af82ff26545edc658f1a2cf93bf0489ab8c3441c35a3e5095ea9

  • SHA512

    90c3e54e2efd7dc34f1c850ad57fe30d31233856cdc921cca32d67d4d0d9e626d8817605336806de8b475338b4f02d546618ac8589306813a3dbaed136506673

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/l:AEwVs+0jNDY1qi/qd

Malware Config

Signatures

  • Detects MyDoom family 7 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 24 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\f8b378cb4407af82ff26545edc658f1a2cf93bf0489ab8c3441c35a3e5095ea9N.exe
    "C:\Users\Admin\AppData\Local\Temp\f8b378cb4407af82ff26545edc658f1a2cf93bf0489ab8c3441c35a3e5095ea9N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2032
    • 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:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF421.tmp

    Filesize

    29KB

    MD5

    b8258362d0d5d08860c4a42cc17544b1

    SHA1

    0574f79cf345cced1d410b03d4baf1950d35a546

    SHA256

    e97e0f3172b9e5b9c35f2a2358290e6d46a222fa6aeebea313c7fbb712cdb9ad

    SHA512

    7c0e998b66688ff3a4d55edd5044bd8ae8f00a9c32ce750133a821bfdbae1b86cdde915ec81f1b4754d869ff82769f175e889f4a804a7001b5cddae75e2ad9a0

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

    Filesize

    352B

    MD5

    56789d32fa9a376501008cbe66354422

    SHA1

    1cf57543493a1e5df2fcb4e5d5a63d66bc98db41

    SHA256

    2bb1419cbf2e574749e46aa10f88b18c7bd38d81a7971d1a3e6b925c6dfbf135

    SHA512

    6406bd1ab2c5a2cf192daa22ab946f7e6c3fbc6734c65575e8d8fc41666682b6558369dfa5d4907a13b4e9aa8adba07e7d02f81553bf868b3806de70b45e1150

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/2032-66-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2032-71-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2032-17-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2032-18-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2032-78-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2032-19-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2032-73-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2032-9-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2032-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2032-10-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2032-45-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2032-43-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2176-67-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-39-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-46-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-34-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-11-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-32-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-44-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-27-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-72-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-22-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-74-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-79-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2176-20-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB