Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2024 12:43

General

  • Target

    a00fe3a2c55cd63807c35ccf89171830N.exe

  • Size

    35KB

  • MD5

    a00fe3a2c55cd63807c35ccf89171830

  • SHA1

    cf1ae9ff4aad8776d068fd982d1faf35c84dee30

  • SHA256

    06d6b7a7a3a0e29902f581826dc400375327c0737f12e6c7155c6fdde56373a1

  • SHA512

    5b13d2cac4bd217bb937c026343285a679406b709f18c1e3aba27a8d5bfb4270b17179359dc4b7b575fd944b52985b45fc7590942f4ce04ff87a16eded1592be

  • SSDEEP

    768:A6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:X8Z0kA7FHlO2OwOTUtKjpB

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 15 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\a00fe3a2c55cd63807c35ccf89171830N.exe
    "C:\Users\Admin\AppData\Local\Temp\a00fe3a2c55cd63807c35ccf89171830N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2796
    • 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:2776
      • 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:992
        • 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:680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    bb782486b12b057300bc6245995d6649

    SHA1

    a51d6bd1925b7ceed4f312923b89b7af6b6c82e2

    SHA256

    4023c822a006be70851c316d090eee3f3c51abc1575d4ea944c1fecc6ead86fd

    SHA512

    d08a28c6b8e3c66aa687ccd4093137345e8f34c7d442adb13350d6ffbee99b11e0835f1df678385a8e816d990ac6b92ee05f1de3048047df90fe1b3a1cdb0b08

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

    Filesize

    35KB

    MD5

    b40ac8124b8a5210400154bbebf6fcc7

    SHA1

    d4b57b6b5906ab7f48d904e160cbfc691efafb7d

    SHA256

    719442bf2f0f25bbb3abf9bff516804d0d9d062362e7439c5df68bf4ebc52e2e

    SHA512

    011418046beb7d2754d1cf2a9f617bc4b2ba9f105a01de1c7296be3737c39c5f066e69251f5e8d1daf8dc185d74e9d8f07a1a05961bb6cafb9d1efa70e3c0db1

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    35KB

    MD5

    390e72c71ffcc0e42023f38bf000df78

    SHA1

    4c076ac741c9af64adc727e3eb3a50e48d5b792b

    SHA256

    160c3f1642db81de6104a9c9fa07cfa3adaabe68c1dd95c1c7f2de72d6a623f5

    SHA512

    c7f26bfa1cc67a8c6732c0ceaa3fa0c577fb227c100ca20a1525f5f9f976eb6455a0a65f3f4dbaefb6c41cd672e1410f10f3041c690bf74d544cf3b8a4f0694e

  • memory/680-49-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/680-47-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/992-45-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/992-35-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2776-13-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2776-22-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2776-30-0x0000000000290000-0x00000000002BD000-memory.dmp

    Filesize

    180KB

  • memory/2776-33-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2776-19-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2776-31-0x0000000000290000-0x00000000002BD000-memory.dmp

    Filesize

    180KB

  • memory/2776-16-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2796-0-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2796-11-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2796-4-0x0000000000220000-0x000000000024D000-memory.dmp

    Filesize

    180KB