Analysis

  • max time kernel
    114s
  • max time network
    119s
  • 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 08:18

General

  • Target

    f83fcf0ae931037ba2da178f80abcea0N.exe

  • Size

    248KB

  • MD5

    f83fcf0ae931037ba2da178f80abcea0

  • SHA1

    12010e310590cc7011f0c34f29b73afaeb5a2f43

  • SHA256

    45b26778617e32b7a051224072b3c9488cd4ee1d73d121e59ef2c302c19cb756

  • SHA512

    5bc99012fb69f2926f93312d2110f2d57af8cafa007b7e3911a6b7eeb672b3afab9b7fdb6c0c86e38b44a6863dc5eb685f91176aa846978221ad50d4591988aa

  • 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 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\f83fcf0ae931037ba2da178f80abcea0N.exe
    "C:\Users\Admin\AppData\Local\Temp\f83fcf0ae931037ba2da178f80abcea0N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:864
    • 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:2984
      • 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:864
        • 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:1412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    e6a3890489b535fe43e01e9060f4c597

    SHA1

    b5c6267c87beb1ab22b18f6461424abd113e3b40

    SHA256

    564fa955eb1a866e1b55140fbbe9708542d747a4f85a8f3fb35b9dafc6e39b11

    SHA512

    b885f43c6846fbad22561c731a31dbcfaff5dfa8a4d183896aeda249884cbcbdc7eea270fdf3a46c97e6f0950b0661b101067e2fb214b7ed516a81d861fd9a0f

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

    Filesize

    248KB

    MD5

    2a4dad62c7d50a4c571623ebc0ebe7a2

    SHA1

    0ac27eb9014a677d4f9e2437348d3407fc07cb69

    SHA256

    351f944b148816f75f3320e12eea4d276513662cb76c06e783c52c7a5ce58be6

    SHA512

    525da0872fd472e296cfc49350927273b706cf131ab05d53a9a3b0d6795c48f62b9dd23ca9ef8f5c1328a037860e488cb864082ad44a1b482fd1ba93b8c6068e

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    ac3990b7ec718f172ae5cf1d180d3f8b

    SHA1

    c00800330d39ad4d2a4af8ee9db1751f43852153

    SHA256

    c61a29206b8ba984031334403b20b6e134fba658ef67a363abd7a5b772f1f2a7

    SHA512

    bbc57865a45a964aed01c03f67d34d38afb7bd250117a47ec9d6c9956e7ff82e2c77e23b359e894ed6282fe04a7c0ba80a53b062f630788d8df0f1c50d9e8f73

  • memory/864-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/864-6-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/864-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/864-17-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1412-18-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1412-20-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2984-5-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2984-7-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2984-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB