Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 17:32

General

  • Target
    4899397070cb1ff124ff7457b43e872fd6c3d06d854bfffb4d8cdc112f9db6cc.exe
  • Size 26KB
  • Sample240125-v4glnscfbr
  • SHA256 4899397070cb1ff124ff7457b43e872fd6c3d06d854bfffb4d8cdc112f9db6cc
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4899397070cb1ff124ff7457b43e872fd6c3d06d854bfffb4d8cdc112f9db6cc.exe
    "C:\Users\Admin\AppData\Local\Temp\4899397070cb1ff124ff7457b43e872fd6c3d06d854bfffb4d8cdc112f9db6cc.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
          PID:3944
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3436

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            GoogleUpdateCore.exe

            • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
            • Size 251KB
            • SHA256 22c6e725220677df66e6d50263bcb238c7142f816725af54c371bc55975379bd
            • MD5 SHA1 SHA512 SSDEEP

            dotnet.exe

            • Path C:\Program Files\dotnet\dotnet.exe
            • Size 165KB
            • SHA256 dbd95cfd04c7d28f06208822092844550fcd281d1178e27b0968b4e74e39b1c8
            • MD5 SHA1 SHA512 SSDEEP

            vcredist_x86.exe

            • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
            • Size 481KB
            • SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-3803511929-1339359695-2191195476-1000\_desktop.ini
            • Size 9B
            • SHA256 eea67eaefd0090abf13b8b67f5d4692e6d8364edb3627775a60c6d67962187e0
            • MD5 SHA1 SHA512

            memory/1996-27-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-23-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-0-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-18-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-988-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-1151-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-1491-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-12-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-4702-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/1996-5-0x0000000000400000-0x0000000000434000-memory.dmp