Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2024 08:18

General

  • Target

    f83fcf0ae931037ba2da178f80abcea0N.exe

  • Size

    248KB

  • MD5

    f83fcf0ae931037ba2da178f80abcea0

  • SHA1

    12010e310590cc7011f0c34f29b73afaeb5a2f43

  • SHA256

    45b26778617e32b7a051224072b3c9488cd4ee1d73d121e59ef2c302c19cb756

  • SHA512

    5bc99012fb69f2926f93312d2110f2d57af8cafa007b7e3911a6b7eeb672b3afab9b7fdb6c0c86e38b44a6863dc5eb685f91176aa846978221ad50d4591988aa

  • SSDEEP

    1536:44d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:4IdseIO+EZEyFjEOFqTiQmGnOHjzU

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 12 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\f83fcf0ae931037ba2da178f80abcea0N.exe
    "C:\Users\Admin\AppData\Local\Temp\f83fcf0ae931037ba2da178f80abcea0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2524
    • 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:2140
      • 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:676
        • 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:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    b9876abae545d9dad7ebbb915498249a

    SHA1

    001e97b2faa97aff156c5056914398a40cb73b2e

    SHA256

    ad0289b69f216722a42e3f13723127fc7db9af8e9a1733b7b7c994d17602b778

    SHA512

    ca6e1d7ac2f4dd11fd74253a774b48a45274627c30826ae01a7a7991db93676f35a73e65f5b9509abc913d0b6bee75577f51230c3b4c7864814805bc3ea7d11c

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

    Filesize

    248KB

    MD5

    2a4dad62c7d50a4c571623ebc0ebe7a2

    SHA1

    0ac27eb9014a677d4f9e2437348d3407fc07cb69

    SHA256

    351f944b148816f75f3320e12eea4d276513662cb76c06e783c52c7a5ce58be6

    SHA512

    525da0872fd472e296cfc49350927273b706cf131ab05d53a9a3b0d6795c48f62b9dd23ca9ef8f5c1328a037860e488cb864082ad44a1b482fd1ba93b8c6068e

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    f3278d913cb85c0334d6732b7da9f210

    SHA1

    c1228dd98d1aa4e07c7e32d8da483a751e4e5fb0

    SHA256

    8d2bfe642d721a4ceba9b47e00c33ed640e07bafd75377b5b3fb947912d9efdb

    SHA512

    74df2068ca5e5b28c9811553a409ec2c12efa4261cba94dec83e996079858cf26cdf858540139bbbba58236d273985334156d56089c22884c04e3f768f439bf8

  • memory/676-34-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/676-25-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1960-37-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2140-9-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2140-12-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2140-17-0x00000000005D0000-0x000000000060E000-memory.dmp

    Filesize

    248KB

  • memory/2140-24-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2524-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2524-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB