Analysis

  • max time kernel
    114s
  • max time network
    118s
  • 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 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
  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4876
    • 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:3376
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:516
        • 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:3424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    78eeba4b58697cfa1a422581e46e59cf

    SHA1

    945fa0e0e38209b04a5abfbc36d654b84cab481e

    SHA256

    202ec5dc69013802725561dde7735cd1fff5afbec2b19f8206505189d6d33202

    SHA512

    6e848d96c551766d7add8de11620e030c99f781ba6ee7930b97809cc8526f4261083d7ef4c5069b560fd53d62bdc0cf8514ac842ae3f61d38691173dbde690de

  • 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

    dfd2f56e910307fa3f55aad61ef2d8c1

    SHA1

    91ad1d723641548ef487a16d0357a61a28a7573c

    SHA256

    c2b02837b1afa35bb6dcca6c0a6e7b299b03fffd9508bee31370afda34798062

    SHA512

    e6d73a9bfd88d6c987c3e4bc09b5ea5d51afecde664e776014da1140894ad1f15243fce731fc3ec5059d8015a28febbe13c458311a019a891171be6e817e539b

  • memory/516-27-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/516-19-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3376-14-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3376-15-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3376-11-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3376-8-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3376-22-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3376-4-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3424-26-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/3424-29-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/4876-0-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/4876-7-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB