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
    19-08-2024 10:24

General

  • Target

    8eece6f5324bf1526d6e0881d638f170N.exe

  • Size

    248KB

  • MD5

    8eece6f5324bf1526d6e0881d638f170

  • SHA1

    d930a6fc12953b01a2afa7e9ed5c435d94f43c3b

  • SHA256

    07f5cca07cc63a5f18e9d6851d88902c49aa4447873e183482e8d399e405f172

  • SHA512

    70541a2ae65c5e34322ea2dee7c58465e46881a6f9b2c45bad7e989451de8f08d662365897db05d73272f5b73adfb07fd75ab7a0d25b0653a1c3411303e7b6fd

  • SSDEEP

    1536:44d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:4IdseIO+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 2 IoCs
  • UPX packed file 9 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\8eece6f5324bf1526d6e0881d638f170N.exe
    "C:\Users\Admin\AppData\Local\Temp\8eece6f5324bf1526d6e0881d638f170N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1400
    • 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:4244
      • 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:3624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    f7f9a1f2f66382acc65a061290ba5f04

    SHA1

    6ac4dbed0e0489e9838f1cb8acec1d505e25de2d

    SHA256

    f9d5e0817196061b67cc568d4792a55c5e8bf22b54e28f526efb9e062dfb8511

    SHA512

    452dd256ef4439af62687ccfec1100d87c316ed2fa676be3d323c160bd0a6a4e6eacfe9c86560858453fe356f6fb804f9e03b9e090ce3f1518d603e9352fb0fa

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    2d0772cb24774f91faafa5c182fb993c

    SHA1

    16b3146e2d6fcd13cacf01496f38b0e9232d4e95

    SHA256

    a7538fcbd69678da6d0f25c59ecaca7df44f33528b2326400830c4771e19bccc

    SHA512

    f1ce0445c4d1768d8156531115c4f2a83b3c92ea26e9c15366014543ffaad4226aa06758afc337e3c7ea2ebb77c54ceac847721f99be787a5139968dfbbf1298

  • memory/1400-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1400-5-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3624-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3624-14-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4244-4-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4244-7-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4244-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB