Analysis

  • max time kernel
    147s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 17:49

General

  • Target

    75224889052303d6957df2a245c8f1c6.exe

  • Size

    24KB

  • MD5

    75224889052303d6957df2a245c8f1c6

  • SHA1

    79d79d01d5a4cb2d175756b20357ee8266eee9d4

  • SHA256

    33f043312c6c19078478d8d511bda5658bd2833dece84b8bcc65f883d846c0bb

  • SHA512

    60a4635db483f1229e7658bb84089e9ae8e03297aafd49ff887f3aad00384460e7b087f2b5e67de4d0d55ca5456d227f63a0b35f3bfa85fb70cb16a1b8b95e4a

  • SSDEEP

    384:E3eVES+/xwGkRKJ0gDrOUlM61qmTTMVF9/q5h0:bGS+ZfbJLWUO8qYoA+

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75224889052303d6957df2a245c8f1c6.exe
    "C:\Users\Admin\AppData\Local\Temp\75224889052303d6957df2a245c8f1c6.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3180
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:4860
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:4596
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3592
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:652
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:2796
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2264

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        14KB

        MD5

        ab30baedde758b300938e40f88a97445

        SHA1

        852e0f5a555bc12be84ea1b9dfa6c335fb05506f

        SHA256

        8bf6ff41961d1f6ce3703953251a55bf71fc651a7534f55db4cbbb0c50ae8d33

        SHA512

        bd840b9434a0e1a3496b0c97d4d1d8a23054238cd915eb93ec39b72b11f9d1edf19f86b342c1715a608186b541216eed4b1182dad62e77520b23fae6f1659092