Analysis

  • max time kernel
    145s
  • max time network
    148s
  • 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 17:27

General

  • Target

    7517ba9f85f8e9ac85e603e51d73e9b1.dll

  • Size

    60KB

  • MD5

    7517ba9f85f8e9ac85e603e51d73e9b1

  • SHA1

    2709770df7961e1d7aebd6205ac87a23f137a6e2

  • SHA256

    38fa4588c8e8d04f5c069a816f628d5f146a950e70a0b58273e2886fa48b40f8

  • SHA512

    80281235f0f3caa82daf2b8fa9d17e8265952ebc104427d168754d23181737c617c82287e38d111a09eb3678c9e7c9fed0be0aa742b62ec1e630633a3c12120d

  • SSDEEP

    768:NBZX+Nzp4mjNx4Ds4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:NPdc1inuWdB9r8YXPJY2BmscY

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Modifies AppInit DLL entries 2 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7517ba9f85f8e9ac85e603e51d73e9b1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7517ba9f85f8e9ac85e603e51d73e9b1.dll,#1
      2⤵
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4492
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
        3⤵
        • Checks computer location settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1276
        • C:\Windows\SysWOW64\regedit.exe
          "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
          4⤵
          • Runs .reg file with regedit
          PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\a.reg

    Filesize

    152B

    MD5

    b100f5324ef74ded0b998e64d07a2e19

    SHA1

    40b0d7f51bf2dd8451f1b723d21355c471a5fa46

    SHA256

    3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

    SHA512

    c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

  • memory/4492-0-0x0000000010000000-0x000000001000F000-memory.dmp

    Filesize

    60KB