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Resubmissions

21/01/2025, 13:23

250121-qm6f9awmck 10

21/01/2025, 13:09

250121-qd933svrer 10

Analysis

  • max time kernel
    142s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    21/01/2025, 13:09

General

  • Target

    123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe

  • Size

    96KB

  • MD5

    f52b87b3a347a98aaa214c53bbf3e320

  • SHA1

    88f7e62d9b4acbb8b1a34c6c91929f4565797b4e

  • SHA256

    123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0

  • SHA512

    75b896379303f12c88f3b7097356df19662898761803d1cac699491a357f3bf3bdcc2487e187335983ef6c464f5eeb8e0aec47d4c866ae04246ccde05731bcf1

  • SSDEEP

    1536:4nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxT:4Gs8cd8eXlYairZYqMddH13T

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Neconyd family
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe
    "C:\Users\Admin\AppData\Local\Temp\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Users\Admin\AppData\Local\Temp\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe
      C:\Users\Admin\AppData\Local\Temp\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Users\Admin\AppData\Roaming\omsecor.exe
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2476
          • C:\Windows\SysWOW64\omsecor.exe
            C:\Windows\System32\omsecor.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:340
            • C:\Windows\SysWOW64\omsecor.exe
              C:\Windows\SysWOW64\omsecor.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1360
              • C:\Users\Admin\AppData\Roaming\omsecor.exe
                C:\Users\Admin\AppData\Roaming\omsecor.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2388
                • C:\Users\Admin\AppData\Roaming\omsecor.exe
                  C:\Users\Admin\AppData\Roaming\omsecor.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    96KB

    MD5

    3ed580a195e52b712ad98701276f22d8

    SHA1

    fdba91bb0cdfcd6f2f65fb551baa744d98b634c6

    SHA256

    8e4775af7a2110c3eb14285f90948e6933d1d9625c8391b76df32faea4436682

    SHA512

    acc842831c96d1ccc40691b02154a7575c5ffbcf95bcb0970cbc8e9367b8de7798ec19d9a8564c344de7566bd8a548022c3c1d787be0915a5498023ac7b7c8ae

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

    Filesize

    96KB

    MD5

    ef0c071e2cea3394bdbde5f74948ebe4

    SHA1

    dcd1187d41fccbadec670f71ebed6f0086a281a5

    SHA256

    5f5e7c04c27a9760b77295284bb852454264977218aca88af782d3f881ba7b3f

    SHA512

    285751e66ef636a245e700518104f3343f8c0969d49a69f1159a1396f07856f64a26804498f2c1239c7bba37e9a090158cdba9ecd587c833bac36ba6e1f77ef1

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    96KB

    MD5

    eed3e179b422bdb3481db58c9047c542

    SHA1

    f37eb9cc0f798a5a4eca5842e1a4531988208640

    SHA256

    ed254031ab5995f8aafd28660a7b11179c4df91f5d69198fa82ac76e8bc03f58

    SHA512

    26c0c860b320b420807e89aeb607ce87d1d85f2ff4a21e4ce333d58bb376c2a59d62273da7780c94d415143c02854b40eec2d0cd5b4560488524a6450744da46

  • memory/340-64-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1360-71-0x00000000001C0000-0x00000000001E3000-memory.dmp

    Filesize

    140KB

  • memory/1464-5-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1464-10-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1464-1-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1464-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1464-8-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2388-87-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2388-79-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2476-44-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2476-41-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2476-37-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2476-47-0x00000000002D0000-0x00000000002F3000-memory.dmp

    Filesize

    140KB

  • memory/2476-56-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2476-34-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2496-30-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2496-20-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2596-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2596-33-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2596-6-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2644-89-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2644-92-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB