Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 04:52

General

  • Target

    0f1d580624cc7159b639bb65686efbba.exe

  • Size

    932KB

  • MD5

    0f1d580624cc7159b639bb65686efbba

  • SHA1

    53415dcbf70f15094af36a3694579b8027019310

  • SHA256

    0e362e064fca6127dff2f0b52d55343494ed661e54aafad7ee923545974ec2e1

  • SHA512

    01f349e40fb7e8ca9ef874cfdb48c776f17760618dbbc37d756e4e9dbb446d55e0fbad5c8848fa5845341a916b3f4ad0f30be9197505a80ea35b7afdc7de98f7

  • SSDEEP

    12288:TfMa+NXT+Nl+NeE+N3E+NB9E+NIE+N6+Nh+N/+Nh+NQ+NE+NX+Nv+Ny+NX+NZ+NL:4VWrh3LXkuE67Ee8/RjP4T

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer payload 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe
    "C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe
      "C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe"
      2⤵
        PID:1656
      • C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe
        "C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe"
        2⤵
          PID:3740
        • C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe
          "C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5080
          • C:\Windows\SysWOW64\cmd.exe
            /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\0f1d580624cc7159b639bb65686efbba.exe
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4728
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 3
              4⤵
              • Delays execution with timeout.exe
              PID:3712

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      2
      T1552

      Credentials In Files

      2
      T1552.001

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      2
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2664-11-0x00000000747D0000-0x0000000074F80000-memory.dmp
        Filesize

        7.7MB

      • memory/2664-2-0x00000000058B0000-0x000000000594C000-memory.dmp
        Filesize

        624KB

      • memory/2664-4-0x0000000005780000-0x00000000057C8000-memory.dmp
        Filesize

        288KB

      • memory/2664-5-0x00000000060E0000-0x0000000006684000-memory.dmp
        Filesize

        5.6MB

      • memory/2664-3-0x0000000005B20000-0x0000000005B30000-memory.dmp
        Filesize

        64KB

      • memory/2664-0-0x0000000000C50000-0x0000000000D3E000-memory.dmp
        Filesize

        952KB

      • memory/2664-1-0x00000000747D0000-0x0000000074F80000-memory.dmp
        Filesize

        7.7MB

      • memory/5080-6-0x0000000000400000-0x000000000043B000-memory.dmp
        Filesize

        236KB

      • memory/5080-8-0x0000000000400000-0x000000000043B000-memory.dmp
        Filesize

        236KB

      • memory/5080-7-0x0000000000400000-0x000000000043B000-memory.dmp
        Filesize

        236KB

      • memory/5080-9-0x0000000000400000-0x000000000043B000-memory.dmp
        Filesize

        236KB

      • memory/5080-12-0x0000000000400000-0x000000000043B000-memory.dmp
        Filesize

        236KB

      • memory/5080-14-0x0000000000400000-0x000000000043B000-memory.dmp
        Filesize

        236KB