Analysis

  • max time kernel
    156s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:39

General

  • Target

    3123f81dacea1173ae18aa0944df82d57f2465ba148216793f04ecee476304e6.exe

  • Size

    110KB

  • MD5

    4097cecc9d744ab90952f06201687fec

  • SHA1

    acd495700fe471ff920cfef79d60a690d472cebb

  • SHA256

    3123f81dacea1173ae18aa0944df82d57f2465ba148216793f04ecee476304e6

  • SHA512

    4375a51837ce76cd7f474386728e126842d3212b1f21a988f49e8f5a76ecf66e4af5a86042638f1a1a004f424c6c099c74f0e0d1c65e4015760a2eff421af329

  • SSDEEP

    3072:hCARRIiUzPB7DFWE3iHlK+3DjFQiTQ+xCiPvhZNExEY:hNut5v67LCivhZNEx

Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3123f81dacea1173ae18aa0944df82d57f2465ba148216793f04ecee476304e6.exe
    "C:\Users\Admin\AppData\Local\Temp\3123f81dacea1173ae18aa0944df82d57f2465ba148216793f04ecee476304e6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "GoogleUpdate" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "GoogleUpdate" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe.lnk"
        3⤵
        • Adds Run key to start application
        PID:3568
    • C:\Users\Admin\AppData\Local\Temp\3123f81dacea1173ae18aa0944df82d57f2465ba148216793f04ecee476304e6.exe
      "C:\Users\Admin\AppData\Local\Temp\3123f81dacea1173ae18aa0944df82d57f2465ba148216793f04ecee476304e6.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      PID:3420

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3420-136-0x0000000000000000-mapping.dmp

  • memory/3420-137-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/3420-139-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/3420-141-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/3568-135-0x0000000000000000-mapping.dmp

  • memory/4188-134-0x0000000000000000-mapping.dmp

  • memory/4948-132-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4948-133-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4948-140-0x0000000074940000-0x0000000074EF1000-memory.dmp

    Filesize

    5.7MB