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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/01/2025, 02:40

General

  • Target

    3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe

  • Size

    80KB

  • MD5

    8c4c386190b625b32bd6f10b89289250

  • SHA1

    b2ccd6e71e1b241fb65991f03b98b5ce012eea29

  • SHA256

    3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9

  • SHA512

    d7d6b4157ab90eb6883b336c6d8c7e07f93f571ff0f4212e7ed0abc6b5ae17259fd2dec366e764a7f65026f506219e78ed05cb8cdeac36584dc3597b531a8039

  • SSDEEP

    1536:9d9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZcl/52izbR9XwzJ:1dseIOMEZEyFjEOFqTiQmOl/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\3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe
    "C:\Users\Admin\AppData\Local\Temp\3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1660
    • 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:1812
      • 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:2044
        • 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:1508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    5df463b0c0fc9714cf99af9ea950dce3

    SHA1

    1894a4b4032f935f6b5d91cb2c2f4341825e6d05

    SHA256

    0f213501a710b1f8689c9537f33bac82ff9ba01536f34cff3482a881149fc211

    SHA512

    c18fb657a99db28027bd99ce9386fd5a5a903cd2fe787948944a2d9697be7ef35cb9827e55630abc5e076a12e94cb50c419539931692b48720fb8cc979cab648

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

    Filesize

    80KB

    MD5

    287afeb42b429cbb05fce56790b13aae

    SHA1

    f9cc35a908fdf6e8232378555960e999536719f6

    SHA256

    536042c9c271fd65208d245159a2f48a0f6973f2c99d132851081969a8b2a606

    SHA512

    967e6aff37de4b83c19d8a9a39f2d8d50fd57c9c7d348e64b3bf14043fc41bd50ccc461d48c4a3d00344e9750871999c054cc7971fadbbafefdae9ba0abfcb47

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    80KB

    MD5

    2ebbd13e4293994cf3b292edfdd6cf07

    SHA1

    4654cf93d350b44a335eb814cfaa0b5f78846e9a

    SHA256

    4b219d7fdf4947243644a7cf8aa2525141ce958cf26bf8945c77641fe8ab5788

    SHA512

    3a6a0bb2039140131abe8668898a28bad1043d00e192a11b9cee90585f44e86ed8170c320a12e1a2271eaddaafcd5161cd6e7ed9931ca279a5d002790904e255