Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2024 12:48

General

  • Target

    feb4e600299722d15fa622c2bb7ad6c8a17560729c509544fed85cba950bb707.exe

  • Size

    248KB

  • MD5

    4f8b5ded61b51de6d2d27f0e2a473a30

  • SHA1

    3d58be86f9b50ae09a0a0a71521297dd241aefc6

  • SHA256

    feb4e600299722d15fa622c2bb7ad6c8a17560729c509544fed85cba950bb707

  • SHA512

    ebc97a82579408b5d44440877927033517f21d24f83d0a1147b8840585c3f43d726067d12112fab1029e8e0abc9f781748de86f1defd4f36c89865b980dccb4b

  • SSDEEP

    1536:I4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:IIdseIO+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\feb4e600299722d15fa622c2bb7ad6c8a17560729c509544fed85cba950bb707.exe
    "C:\Users\Admin\AppData\Local\Temp\feb4e600299722d15fa622c2bb7ad6c8a17560729c509544fed85cba950bb707.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • 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:1800
      • 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:1552
        • 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:1820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    795a05ea0a425d39884d9c4208eb97c1

    SHA1

    3c73418c3cbb03e1d1b3fd8013592f3a37cc0e6d

    SHA256

    c404c802a258fd59508f2dcf9413a8dfee514536b62ada156d0ee74e2b216c17

    SHA512

    55682933038eae5bff03445095395f883ea7df84d65753dcc70a2a073af3bcf4e634e59be3a61833eda48ff852fec011341744e2ddeb04b57891c86c81c6288a

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

    Filesize

    248KB

    MD5

    1defdbb35ed0f23dfe54eb9b2d84665f

    SHA1

    8d782b84b26e50776bb8bc69b1091ec4e09a6225

    SHA256

    ec792cc3d26fedd8fd31917b2d8cc7ca6a05816f63ca8fff9e2111da57da7907

    SHA512

    13101d4ba64b14ef36b98f3aed8f8fa803133f868d341dc34f5daef0d32522c886a562eca2d856fc1c171e2e23d435db2700892c1266e13f819a113368e975e2

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    073830242c1190b671df93695fa6475b

    SHA1

    87a8358984beeb52f3ac0be6283a37ef4eb2a2df

    SHA256

    449d46f8e0b7ef9f23f1cc96b14446d199db93eb8c3c9cff5ca49a32b362d6b7

    SHA512

    870768f5e88f709316b262c1eb6d7fdb60470b2908699d7ba63f8d6d6429d3360ca4cbf38932709b5180cc7892cfbe58bd197507573e9d4db8b1ac9b498b7eee

  • memory/1552-26-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1552-36-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1552-31-0x0000000000220000-0x000000000025E000-memory.dmp

    Filesize

    248KB

  • memory/1800-18-0x0000000000350000-0x000000000038E000-memory.dmp

    Filesize

    248KB

  • memory/1800-24-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1800-23-0x0000000000350000-0x000000000038E000-memory.dmp

    Filesize

    248KB

  • memory/1800-12-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1800-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1820-39-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2096-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2096-8-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB