Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 01:27

General

  • Target

    b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe

  • Size

    41KB

  • MD5

    3130d2ef0183bc97d994bdd7019dcd60

  • SHA1

    2309a8cf0b32b53b8e0cf23ee3dc7642f859c9cb

  • SHA256

    b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400

  • SHA512

    a7e76a5bdf2380070e5bbc04ae435aabc634a901ff116cec7220ab9987db73d48d68cd4bd9e0c870a160c35cd88ad710544c33414e0a51fa8487bc86f8ec28b4

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q

Malware Config

Signatures

  • Detects MyDoom family 9 IoCs
  • MyDoom

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 29 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe
    "C:\Users\Admin\AppData\Local\Temp\b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2364
    • 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:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabFA7F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarFB3D.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmpE6A9.tmp

    Filesize

    41KB

    MD5

    a3fd9cb784ae9e5954b0353cdd9ff50a

    SHA1

    20953fe81c211282c4c8f0107c87f5cf2677bd88

    SHA256

    c035963624ad32bd659168447698ecc5a0ade6cc58fad516700a1e47d1beca62

    SHA512

    eeabc9bfe5ba5fa7cb5ad96c5b5b6a0cfe9786361ac135e3ffa25ed28318399af4735357006cbe6e89214ef6e07e1873eb58820c874acb79d27a9eccc3651696

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

    Filesize

    192B

    MD5

    b8160bd1d016b4a4a213e800f428c674

    SHA1

    c0f89f694ee9113648c03bec882c1c98333e046e

    SHA256

    e8269075b0ab77cffc67922e8ba1f6db863e3ac1eb387ea88b4591d4be0d7a7c

    SHA512

    b51c1659455620c14c82aa4958bfd5d9895ce964646c0fdb952cca87592d17124bb70049a03e43ee58fa255e1cfc7016d4d493995a91ec9f8e51ab1b68d3adef

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

    Filesize

    192B

    MD5

    848a69b5a711c4d8aa98014e1cd5cd0e

    SHA1

    c4d6100f60fd7a11a568866f82979944a9d794e6

    SHA256

    fefc59c3c0914d8b837c1e83be643b7d87e8bee5f3630a787d993bfb823f4d53

    SHA512

    48b806f1754b5ac245d47139adaf37d5d9b4f8bc7203cc251b758b8cc3e5cbb87aac711613df552d96ce444c6ade8a674c8c0c0d9f1f82d26092079acb687092

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/2364-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-64-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-143-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-17-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/2364-81-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-76-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-41-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-71-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-43-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-69-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-16-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2364-4-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/2544-20-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-65-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-70-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-44-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-72-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-42-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-77-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-37-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-82-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-32-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-84-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-30-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-25-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-144-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-19-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2544-10-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB