Analysis

  • max time kernel
    147s
  • max time network
    145s
  • 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 17:33

General

  • Target

    751b0391c47ac27fd5880602095c2b75.exe

  • Size

    392KB

  • MD5

    751b0391c47ac27fd5880602095c2b75

  • SHA1

    57bb747fc1bff49bb43598d4e9ef035589ff8a65

  • SHA256

    69e62c01d01514823c9f50a77e79b456241aed9f23596e48d78490d227fbb18b

  • SHA512

    7ac38504d483601ec7dc660559f23b75d127a82091eba15f50f4f62d715c8d327f5950c5cc99ba7cf31c1f60c2457ff8fa6fc3691dffb60abca7a355eb7ae607

  • SSDEEP

    3072:TjeF/OZ/HI8IhYt5BjAsoDYp9qducrNK+B968s655MjawzakfWeiKWVOzYZO:TjC/4/HI87/Xr6UKzB92hOvVUYZO

Score
10/10

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\751b0391c47ac27fd5880602095c2b75.exe
    "C:\Users\Admin\AppData\Local\Temp\751b0391c47ac27fd5880602095c2b75.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4072 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\751b0391c47ac27fd5880602095c2b75.exe" & start C:\Users\Admin\AppData\Local\oztdohk.exe -f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3276
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 4072
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1640
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:4436
      • C:\Users\Admin\AppData\Local\oztdohk.exe
        C:\Users\Admin\AppData\Local\oztdohk.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\oztdohk.exe

    Filesize

    392KB

    MD5

    751b0391c47ac27fd5880602095c2b75

    SHA1

    57bb747fc1bff49bb43598d4e9ef035589ff8a65

    SHA256

    69e62c01d01514823c9f50a77e79b456241aed9f23596e48d78490d227fbb18b

    SHA512

    7ac38504d483601ec7dc660559f23b75d127a82091eba15f50f4f62d715c8d327f5950c5cc99ba7cf31c1f60c2457ff8fa6fc3691dffb60abca7a355eb7ae607

  • memory/4028-19-0x0000000001000000-0x0000000001102000-memory.dmp

    Filesize

    1.0MB

  • memory/4028-18-0x0000000000B70000-0x0000000000B71000-memory.dmp

    Filesize

    4KB

  • memory/4028-15-0x0000000000B90000-0x0000000000B92000-memory.dmp

    Filesize

    8KB

  • memory/4028-14-0x0000000001000000-0x0000000001102000-memory.dmp

    Filesize

    1.0MB

  • memory/4028-13-0x0000000000B70000-0x0000000000B71000-memory.dmp

    Filesize

    4KB

  • memory/4028-12-0x0000000000440000-0x0000000000465000-memory.dmp

    Filesize

    148KB

  • memory/4072-3-0x0000000001000000-0x0000000001102000-memory.dmp

    Filesize

    1.0MB

  • memory/4072-8-0x00000000006A0000-0x00000000006C5000-memory.dmp

    Filesize

    148KB

  • memory/4072-7-0x0000000001000000-0x0000000001102000-memory.dmp

    Filesize

    1.0MB

  • memory/4072-5-0x0000000001000000-0x0000000001102000-memory.dmp

    Filesize

    1.0MB

  • memory/4072-4-0x0000000000DC0000-0x0000000000DC2000-memory.dmp

    Filesize

    8KB

  • memory/4072-0-0x0000000001000000-0x0000000001102000-memory.dmp

    Filesize

    1.0MB

  • memory/4072-2-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

    Filesize

    4KB

  • memory/4072-1-0x00000000006A0000-0x00000000006C5000-memory.dmp

    Filesize

    148KB