Analysis

  • max time kernel
    115s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 17:01

General

  • Target

    75693cfba81fb00326ba9e4d1ade79e0N.exe

  • Size

    35KB

  • MD5

    75693cfba81fb00326ba9e4d1ade79e0

  • SHA1

    eebc6f1aa980f6dfbbe70eb73dd78d320cc1ff8e

  • SHA256

    47564772d274b0a650c18597b11ab9af811917ff3af9b86f3f640a9634cfa824

  • SHA512

    3283c6271e4cf53697630dc64ef7df4f3bd21e6b9cf728376a67deedf42d93f7444622ca3a616e209f73ee4122fb5322fd6b31046e296f92dec03525cdf80a5c

  • SSDEEP

    768:e6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:l8Z0kA7FHlO2OwOTUtKjpB

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 15 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2068
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    35KB

    MD5

    d8b05a2fc34178500f212de7ccc7c5c4

    SHA1

    c4fc00c3c988580818ea4293cf70c26ff23c0315

    SHA256

    bfe92586e89954ef6284bbad83c593be48f954b2bd63578efdb3f85401986f2e

    SHA512

    d5bd59dd562c5fa862237b132cf78e0b40ce45513489065f1fe9b6738959cb0bfb168bcf0699075cfa4822b080a697915c05a13f1f88b01bd6d3a79a42e2124a

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    35KB

    MD5

    38d2a6c0a3facffb0591e2a899406dd5

    SHA1

    2c66febd631542ab17057a34f6ac0efedf977a70

    SHA256

    6b3704eb6920807522c313bd4ae8d20f91fa4b4ffec64fc577e84089bb98b801

    SHA512

    79e5d487130bfa8be108de407cda5c763c28dd48ea1169d1f3f1887ef50b098a13dcaa393d385cda6df1794d92e131ecbd628cccc5933f21da39ea12455da9c1

  • \Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    35KB

    MD5

    795fe64e3cc08f5a80f127e4b33caf87

    SHA1

    3c07b8c369ccff29bc8a6e6fa92d250c6128f574

    SHA256

    b2fb19f5fa609829d6e21fa32970e9e2f2b3d72637b67b649e4a1ff36c7685f2

    SHA512

    bd1faa5a1d3cf90df383e807ca56f9cc50030216df99d9ca04d9c044fbfd696e2b94ae6e069f655ffaa39796e52a2748696f3dfa2ccfb0bf2f5a91bfba6635f5

  • memory/1656-10-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1656-11-0x0000000000220000-0x000000000024D000-memory.dmp

    Filesize

    180KB

  • memory/1656-8-0x0000000000220000-0x000000000024D000-memory.dmp

    Filesize

    180KB

  • memory/1656-0-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1732-48-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2068-37-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2068-40-0x0000000000220000-0x000000000024D000-memory.dmp

    Filesize

    180KB

  • memory/2404-24-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2404-33-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2404-21-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2404-18-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2404-15-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2404-14-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB