Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 23:07

General

  • Target

    8831b9da4e7dd9e6c4bf3a0e1d4193957fe6046318589c71b87259126e678fef.exe

  • Size

    76KB

  • MD5

    37c81df7c6270c8129624a139fedeb6a

  • SHA1

    c87aec5e390a761a6c0a9b2112bc3ebc286abbc2

  • SHA256

    8831b9da4e7dd9e6c4bf3a0e1d4193957fe6046318589c71b87259126e678fef

  • SHA512

    ad0d2512c07eeb31bef0ec35767e2d977899ead864eefbe75c1f626fc88c0ad491694a94aa4b2219353cc94fb1ef5520c9aabb49c496bf631b8c2e526d1e0fef

  • SSDEEP

    1536:td9dseIOcE93bIvYvZEyF4EEOF6N4XS+AQmZTl/5w11:FdseIOMEZEyFjEOFqaiQm5l/5w11

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
  • 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\8831b9da4e7dd9e6c4bf3a0e1d4193957fe6046318589c71b87259126e678fef.exe
    "C:\Users\Admin\AppData\Local\Temp\8831b9da4e7dd9e6c4bf3a0e1d4193957fe6046318589c71b87259126e678fef.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2120
    • 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:1036
      • 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:1304
        • 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:2032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    a639974ea04c32e174b32a297197b908

    SHA1

    d9248f783e843fd8198651f8728c84be10f984dd

    SHA256

    7aa5efad40373524ce281b7f06edc625f978e3280efad571bdc377722d1a488a

    SHA512

    01c9281cbafe4b0536225acfb6a3d19e46670189e45cf7d518818ba2d667922eac8225f584066fc781552d6ca7a78fb7233e647733ec44bcbe1aef8e2b7eb126

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

    Filesize

    76KB

    MD5

    7d42898196a1ec95d4d0ee5cf5b4404b

    SHA1

    c8d54ad4938e4258f2891cc6aca33d0ab4e042a0

    SHA256

    820483cd845697e6950cc73974cc181cdd75ba57b1bfc4fe45ea94b1307fa422

    SHA512

    ab3c0616f1d21bba15bfdad90245375a8046093b26a920c9e36f6257dc60d0e8f404b4d0d3ab7f37fc1240cad87bc83de807e45cf510522573c79738d7813893

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    76KB

    MD5

    80d58be31b5d0f684b90a0ba16861ad7

    SHA1

    a758ee3f1278973da43d5631d9d0d800b1b0269b

    SHA256

    ae0fe6cf5faf562c2150966ca2419d0e7af3f57240db8d53e478e204c49b1c9e

    SHA512

    50cffc1253115ea7b9f703526fd4c21c4cfdf2511859c01817e2ba896c9b24004b687a26762555c9a5cc308041ca1342999e5ade17e9077bfe7d4e8f06fce09b

  • memory/1036-10-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1036-12-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1036-17-0x0000000000280000-0x00000000002AA000-memory.dmp

    Filesize

    168KB

  • memory/1036-23-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1304-27-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2032-35-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2032-37-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2120-1-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2120-8-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB