Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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
  • Loads dropped DLL 6 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2610bcf86b11c2f8aea5d2d8a0b9a5e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\2610bcf86b11c2f8aea5d2d8a0b9a5e0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2180
    • 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:2540
      • 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:2652
        • 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:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    01507f9c34d2bcb425195c22b6709616

    SHA1

    79e5a722456fb50da995b42d6a7a92f681b8bbe1

    SHA256

    be50fac53ce2a545c5eab79e842b66b84b6eb38b642aa73e25c263241a294370

    SHA512

    9dd74aa2b561249219c9c9f84f9aaef233ee847d718dc97174fc5ff9ad5012cf2c061750a489670bb30de38706803e0f3fdcdb2bedcb98ec5d588b6101498cdd

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

    Filesize

    248KB

    MD5

    fd414f9bfa30ff075d420b951e769aa9

    SHA1

    61e3f7ebfac06b51ccdb7293ee73a64591375199

    SHA256

    9e2ad5ee5014a34333a60d28ca69ab3ec78e89499e6a39494542c65adaa91934

    SHA512

    20fddf2effc6a9b37a77b8185aed94989e3869f21260165aaa027f694b126047704cf06db1738f6eeb8485f3f0b5a46ed8a93c01d25575c77e16bc32652a333e

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    b3c5a5ec068b86768c5e7e6065e84067

    SHA1

    78b6058021333064e9f5779644e634c716f160a5

    SHA256

    8e799452a393cb492a1f595f6b6f6e21141a059db9a437a574726c6a6917eb5d

    SHA512

    4526cee620ebb52c5e32bdf32711a0d1d59b644e730f9c81f8ca85e4a82e6e1ca38f036a62955c2b4bc07729e540ca7cdc568866661077a80b1bfe9ecb39bd23

  • memory/2180-9-0x0000000000230000-0x000000000026E000-memory.dmp

    Filesize

    248KB

  • memory/2180-5-0x0000000000230000-0x000000000026E000-memory.dmp

    Filesize

    248KB

  • memory/2180-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2180-10-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2532-39-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2540-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2540-18-0x0000000000280000-0x00000000002BE000-memory.dmp

    Filesize

    248KB

  • memory/2540-26-0x0000000000280000-0x00000000002BE000-memory.dmp

    Filesize

    248KB

  • memory/2540-24-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2652-30-0x0000000000220000-0x000000000025E000-memory.dmp

    Filesize

    248KB

  • memory/2652-36-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB