Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-02-2024 14:55

General

  • Target

    8f70695d8a9bc9672ac4c35970ba1279.exe

  • Size

    226KB

  • MD5

    8f70695d8a9bc9672ac4c35970ba1279

  • SHA1

    7e6e1320e6869618cba2881e0c5972ff9632fcea

  • SHA256

    dc699254dca76a75ec16e9f8cf629a86d1782c80565002e2b80653dfa040dded

  • SHA512

    daa2eeff122bde98f81a85d2b5a7e7f4f64f78160b3b791911dad99dac2a4f54826efb447e64afb3c9bd5ae35cfa3af2852e4e0ef9dd4ef2fb14530e16c43596

  • SSDEEP

    6144:bQuDZggR11UV8SVTi9qjJC+4/hV2u3bzjed4au7kF7vqdw8:lKq11mTeqjJG/qZF7vq28

Score
7/10

Malware Config

Signatures

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f70695d8a9bc9672ac4c35970ba1279.exe
    "C:\Users\Admin\AppData\Local\Temp\8f70695d8a9bc9672ac4c35970ba1279.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4776 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8f70695d8a9bc9672ac4c35970ba1279.exe" & start C:\Users\Admin\AppData\Local\UVTZEP~1.EXE -f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:784
      • C:\Users\Admin\AppData\Local\uvtzepfzqr.exe
        C:\Users\Admin\AppData\Local\UVTZEP~1.EXE -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1608
  • C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4776
    1⤵
    • Kills process with taskkill
    • Suspicious use of AdjustPrivilegeToken
    PID:4720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    226KB

    MD5

    8f70695d8a9bc9672ac4c35970ba1279

    SHA1

    7e6e1320e6869618cba2881e0c5972ff9632fcea

    SHA256

    dc699254dca76a75ec16e9f8cf629a86d1782c80565002e2b80653dfa040dded

    SHA512

    daa2eeff122bde98f81a85d2b5a7e7f4f64f78160b3b791911dad99dac2a4f54826efb447e64afb3c9bd5ae35cfa3af2852e4e0ef9dd4ef2fb14530e16c43596

  • memory/1608-16-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-10-0x0000000000440000-0x0000000000540000-memory.dmp

    Filesize

    1024KB

  • memory/1608-18-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-33-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-19-0x0000000000440000-0x0000000000540000-memory.dmp

    Filesize

    1024KB

  • memory/1608-11-0x0000000000590000-0x0000000000592000-memory.dmp

    Filesize

    8KB

  • memory/1608-14-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-20-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-31-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-29-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-27-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-22-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/1608-24-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/4776-1-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/4776-3-0x0000000000520000-0x0000000000522000-memory.dmp

    Filesize

    8KB

  • memory/4776-5-0x0000000001000000-0x00000000010C8000-memory.dmp

    Filesize

    800KB

  • memory/4776-2-0x0000000000650000-0x0000000000750000-memory.dmp

    Filesize

    1024KB