Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2025 23:11

General

  • Target

    4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe

  • Size

    96KB

  • MD5

    2d7e939287535612dbb41a733fcfc732

  • SHA1

    bc8ad3ba3f34ff2f083faa7e5cff2c9980b39715

  • SHA256

    4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa

  • SHA512

    46d9912255c2a67aa75eecbae9c5cf05980ecc69f61c386bb89789b5fe750fcf03f6c646b92fce60aefce4dc09c326c6ebd72809c8b71896099a991182f7912b

  • SSDEEP

    1536:qnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:qGs8cd8eXlYairZYqMddH13B

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 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe
    "C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe
      C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Users\Admin\AppData\Roaming\omsecor.exe
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2080
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:580
          • C:\Windows\SysWOW64\omsecor.exe
            C:\Windows\System32\omsecor.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1932
            • C:\Windows\SysWOW64\omsecor.exe
              C:\Windows\SysWOW64\omsecor.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1040
              • C:\Users\Admin\AppData\Roaming\omsecor.exe
                C:\Users\Admin\AppData\Roaming\omsecor.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1684
                • C:\Users\Admin\AppData\Roaming\omsecor.exe
                  C:\Users\Admin\AppData\Roaming\omsecor.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    96KB

    MD5

    fedc7ba54b918fa7934c8c2a70966d16

    SHA1

    18f8d25f91d2e719b2b4c4fd3b716230128f5792

    SHA256

    817ab325945f2b62308787dbc2a4147321af0805403ca893a304e3d0a682014e

    SHA512

    30513d5cbd32db71ebb48cb73c4e0f01384f05e63dbaa988e209f0d2ad406f5a26aa7919f28f1e674efdd95cb61fdb6f75c6d684a80623694f02ede25ba62cf8

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

    Filesize

    96KB

    MD5

    e83b6cd5dc8be38ff7ba0e425458e3a7

    SHA1

    75c00a6b959df29d83fbc9e64bfd345766a47097

    SHA256

    a9a6f07686effc91a917423272f8415407789c7a40df52d5f314491ed9380ee5

    SHA512

    0ca912f6b9642ca1f63932ffbc1ebfec1a280b97dbdb2b92f0cd79d4e3338a8178d8126353941e5d2a171900d55624897ac6217a1109209f9f5a755bcece206f

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    96KB

    MD5

    b53a2083bd779460ddb24811e31d75fa

    SHA1

    51d4edae431982e5f591768e96fc115f3fdbed68

    SHA256

    e59741dc25b285b77546d0db611ec91a54d94f73b00ca1a1ba84aaa58f3b6789

    SHA512

    f808db6c9c0f1fe93c85d5aa5285fd36bce8ac6193747d0132d9f3f57dfc199c4e89a6e9a87514e57f906793f7b83bb6e1e6f51d00488867cd6ee5bc48831425

  • memory/580-55-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/580-43-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/580-46-0x0000000000290000-0x00000000002B3000-memory.dmp

    Filesize

    140KB

  • memory/580-34-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/580-37-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/580-40-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1040-71-0x00000000002C0000-0x00000000002E3000-memory.dmp

    Filesize

    140KB

  • memory/1500-89-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1684-79-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1684-87-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1932-64-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1932-56-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2080-30-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2080-21-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2992-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2992-7-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3036-19-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/3036-1-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/3036-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3036-5-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/3036-9-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB