Analysis

  • max time kernel
    118s
  • 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 13:53

General

  • Target

    2610bcf86b11c2f8aea5d2d8a0b9a5e0N.exe

  • Size

    248KB

  • MD5

    2610bcf86b11c2f8aea5d2d8a0b9a5e0

  • SHA1

    49e7a04c63486faa128ce9f521cccd657292f24b

  • SHA256

    3cd00bd31b753d832e83b5c7d1f7fca948706dd01144621a4a019322910e47c5

  • SHA512

    08af2402e91ea77fc3b0f7d23d44bc6cd695a3a0c48e7222c278e59e9d7e8cbcb84edbebfdca1e1111c48a32c4d0bbe5c3347c1d51828dac7228cc819d502cb0

  • SSDEEP

    1536:j4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:jIdseIO+EZEyFjEOFqTiQmGnOHjzU

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 12 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\2610bcf86b11c2f8aea5d2d8a0b9a5e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\2610bcf86b11c2f8aea5d2d8a0b9a5e0N.exe"
    1⤵
    • 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
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:920
      • 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:4812
        • 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:3936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    b2e7b6dcb7493029d9b123ad28b40655

    SHA1

    9cde0e8ee0146722c65b34f2f66f60a0d970f7da

    SHA256

    4e738f7cf5146f85537f99cfd5a2bbbe5b12502b8e1c71fc5a6a3eb6d5fedf1f

    SHA512

    e708e20e53b7fe120a44e23dca3ff712e410641c72bf8ab1c9e87e200737f4925f4c2d27ee575e9523ae23f32d53463ca3ba5c1ba375fae6686058b6ff040ac5

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

    Filesize

    248KB

    MD5

    01507f9c34d2bcb425195c22b6709616

    SHA1

    79e5a722456fb50da995b42d6a7a92f681b8bbe1

    SHA256

    be50fac53ce2a545c5eab79e842b66b84b6eb38b642aa73e25c263241a294370

    SHA512

    9dd74aa2b561249219c9c9f84f9aaef233ee847d718dc97174fc5ff9ad5012cf2c061750a489670bb30de38706803e0f3fdcdb2bedcb98ec5d588b6101498cdd

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    fa176ce4775526ff072b0d42e28d251a

    SHA1

    83a87b5410bb5697fcde50ccc51ff8e1d800043c

    SHA256

    52c36340b588501df7a855304449ab419c1f7d3699f9016b34f651af400aa7b4

    SHA512

    4700fd6387f637c30ce55b4d161dcc4d8987124dbb81d9cac367fbd7c8fa371b1e6bd0511b70c9e00e414331f492fbf61aba7d188379f765dfc5e3aa7e995425

  • memory/920-4-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/920-7-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/920-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2496-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2496-5-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3936-18-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3936-20-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4812-19-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4812-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB