Analysis

  • max time kernel
    155s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16-05-2022 16:24

General

  • Target

    49dd1543bfee5615840f41c345db942cc0e8ed457a2aaaf9c2675aaf72872701.exe

  • Size

    344KB

  • MD5

    b3fad346307496a5c2bae39e984e77bd

  • SHA1

    5d291bb4318d74ab00ee818bb43f5b91d6ca84cc

  • SHA256

    49dd1543bfee5615840f41c345db942cc0e8ed457a2aaaf9c2675aaf72872701

  • SHA512

    f04c16fc0208f37af50d9c9f991beff799fca269cabd5c8d188e15cdf7b3bf90c0eac11e6478d92d0b07e8ab3fdb02a0008e916aa8eee3f6b98925a57258ddb2

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 2 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.

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49dd1543bfee5615840f41c345db942cc0e8ed457a2aaaf9c2675aaf72872701.exe
    "C:\Users\Admin\AppData\Local\Temp\49dd1543bfee5615840f41c345db942cc0e8ed457a2aaaf9c2675aaf72872701.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\49dd1543bfee5615840f41c345db942cc0e8ed457a2aaaf9c2675aaf72872701.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:4136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 1932
      2⤵
      • Program crash
      PID:4292
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3380 -ip 3380
    1⤵
      PID:5004

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3380-132-0x0000000000400000-0x00000000004FC000-memory.dmp
      Filesize

      1008KB

    • memory/3380-131-0x0000000000670000-0x00000000006A5000-memory.dmp
      Filesize

      212KB

    • memory/3380-130-0x00000000006E8000-0x0000000000709000-memory.dmp
      Filesize

      132KB

    • memory/4136-134-0x0000000000000000-mapping.dmp
    • memory/4816-133-0x0000000000000000-mapping.dmp