Analysis

  • max time kernel
    116s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 21:44

General

  • Target

    d9bae2c5b0211e4af81d661f5497bb10N.exe

  • Size

    35KB

  • MD5

    d9bae2c5b0211e4af81d661f5497bb10

  • SHA1

    9ed10a2d5a856f769b4e512c7169cfb36471305e

  • SHA256

    13221c391e1e8abb8d39a31c1ecdc3d09f275c84cde02dc8511e0ca599f86e94

  • SHA512

    1547c2a99c45d1b7cc7a2b77df17a01471a432ae68b4efd16890fea1479a46961dca123c3a66f5f1a5c052bc4d5e7739c9267a29b2d1ef4850de65c7a223c28f

  • SSDEEP

    768:j6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:e8Z0kA7FHlO2OwOTUtKjpB

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 2 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9bae2c5b0211e4af81d661f5497bb10N.exe
    "C:\Users\Admin\AppData\Local\Temp\d9bae2c5b0211e4af81d661f5497bb10N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3620
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:1696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    28e15ebe825005fa203f31f0796e4fd3

    SHA1

    4439062f9b11086cf495e71d500984434769fea1

    SHA256

    b2d7505c13ffbe51445530ddd84af467a855bb116707ffffb47b453da45db7d0

    SHA512

    3937b4f343f96255b287a3d6d7f70f2013cdba9f57664ed168cfc2e173d663b1640c46974ecaac877cf233849dd6d4cd6b0ec627d26258ba76ba708affa60fac

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    35KB

    MD5

    d58b7e408931fbaac3331d618336a931

    SHA1

    0b081282afbb774fd9ca9f0b6362dc23ae275b1b

    SHA256

    7cbd13ce9246de2b55583f0ad6f06b90153bce7ad19fafa509e85300958efbf6

    SHA512

    7fea48dd1446665123a19145af1e523ebd846e381c20c40b91a02bee041923da2c1b143ab329ec71d2fd2758ddf5ec08669e074a40c7eed88c8b00f8cf4fa79b

  • memory/1696-19-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1696-23-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2104-0-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2104-6-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3620-7-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3620-8-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3620-11-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3620-14-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3620-15-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3620-22-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB