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Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2024, 14:38

General

  • Target

    52194a535bb7866c71aa16a7f392eecc41a29907859acaeb58cc11136f3bc42aN.exe

  • Size

    80KB

  • MD5

    ffb185e8f37f93d3c1711dc2b5c70d20

  • SHA1

    7e611d60e24f26db99a43bbe1d7be6905bb0c243

  • SHA256

    52194a535bb7866c71aa16a7f392eecc41a29907859acaeb58cc11136f3bc42a

  • SHA512

    b865b5d05fd2bea01ea47dd750aecc2dc7e1167ae3cac241efbe59d3cdf9fd96ae4ba3ae238903bb612bacf69b0c2b52bc9daaccf33f67de2ce64e958b18b4b3

  • SSDEEP

    1536:7d9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZcl/52izbR9XwzJ:LdseIOMEZEyFjEOFqTiQmOl/5xPvwV

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Neconyd family
  • 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\52194a535bb7866c71aa16a7f392eecc41a29907859acaeb58cc11136f3bc42aN.exe
    "C:\Users\Admin\AppData\Local\Temp\52194a535bb7866c71aa16a7f392eecc41a29907859acaeb58cc11136f3bc42aN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • 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:2996
      • 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:2032
        • 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:844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    67236ae4fe8bd0ebdfd1429323afedbb

    SHA1

    275ca5278a2ee28ce8dc8f54638af18b86043578

    SHA256

    f2aced4bcae7228c34ddfce3b615d6c4ae9b9dfb5191fed46e67a8bb3e5378d7

    SHA512

    cdd3490763cb3357ecc4f951d2d86f6777613f4cbb7a017642156a571c6ef91b6def3fdc04a4c52ee78e2c893d4611abfc57d3236b6984fde274314805d4c908

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

    Filesize

    80KB

    MD5

    13e8d6039248e84e1b5058d92d549142

    SHA1

    9092618db72f51198b2648ec9ec43143cdfcc4b6

    SHA256

    f55cb6200bf4dedb2a26cc8572c4b646229b100017a4f8b4a04970b82ed47e60

    SHA512

    7f07c6cc09b2f06331dcb83b6ad292988133469a8431279335c650cc0b6fd5e3f33fbc02fe8dfa2795e16ff22ca6fef4c00c5fceadeb67d1cc79140df23debc7

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    80KB

    MD5

    5ef2e95b568cc6ad8df63569b1483b2b

    SHA1

    5996127caf6aa4a7139a76169bb34f3c4bd8606c

    SHA256

    b694925979004d046f557f9174894911d57ed57cfe8ccb1b39c6c63f1f59e82c

    SHA512

    cd8919b1d64e7d38b90f6eb88b41bc2576eb99dc2ad1015626bd95e838782cea6bd387dccc30d5428ebbadd4601fd0842ca5aba69ba8a54f0b88d520e05c5016