Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 2 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a00fe3a2c55cd63807c35ccf89171830N.exe
    "C:\Users\Admin\AppData\Local\Temp\a00fe3a2c55cd63807c35ccf89171830N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    bb782486b12b057300bc6245995d6649

    SHA1

    a51d6bd1925b7ceed4f312923b89b7af6b6c82e2

    SHA256

    4023c822a006be70851c316d090eee3f3c51abc1575d4ea944c1fecc6ead86fd

    SHA512

    d08a28c6b8e3c66aa687ccd4093137345e8f34c7d442adb13350d6ffbee99b11e0835f1df678385a8e816d990ac6b92ee05f1de3048047df90fe1b3a1cdb0b08

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    35KB

    MD5

    26f62bb322a58c00b031516406a6c509

    SHA1

    59d067e9d01f6a6df1f895f8dfc55a25269052bf

    SHA256

    e138cd501a28ceeb522488bffaa8df14ad4cb46218bd650c2d6ad570fee392cb

    SHA512

    74b1251e4aff5ac9db236c68d0398380af587a46e7a46e27286c61e1b6cef962bed47b1a084389b4268b65e29dfaf28f37ebf12c4e3f5267e54be8f8374da76f

  • memory/676-19-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/676-23-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1368-4-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1368-8-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1368-11-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1368-14-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1368-15-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1368-22-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1904-0-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1904-6-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB