Analysis

  • max time kernel
    131s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    11-05-2022 02:30

General

  • Target

    9c602b2b5991e9b964c863fdec27a4a0e9d8e13ad6e2a1aa27a716a1fed42889.exe

  • Size

    506KB

  • MD5

    71e7ec27f96d797f970ea15fd53f5ff9

  • SHA1

    86fc93933a3764493aad680d4d1850a01999cc8e

  • SHA256

    9c602b2b5991e9b964c863fdec27a4a0e9d8e13ad6e2a1aa27a716a1fed42889

  • SHA512

    d5818a30a81946e56e73b60d84463237e71ce9ec0e059a0e01aa4947b90b208f523ce6b48b6ee8763c6babd79a0f0f285fa84567b60c66c68ce437c108ac52f0

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 4 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c602b2b5991e9b964c863fdec27a4a0e9d8e13ad6e2a1aa27a716a1fed42889.exe
    "C:\Users\Admin\AppData\Local\Temp\9c602b2b5991e9b964c863fdec27a4a0e9d8e13ad6e2a1aa27a716a1fed42889.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4124
    • C:\Users\Admin\AppData\Local\Temp\9c602b2b5991e9b964c863fdec27a4a0e9d8e13ad6e2a1aa27a716a1fed42889.exe
      "C:\Users\Admin\AppData\Local\Temp\9c602b2b5991e9b964c863fdec27a4a0e9d8e13ad6e2a1aa27a716a1fed42889.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3840
      • C:\Windows\SysWOW64\cmd.exe
        /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\9c602b2b5991e9b964c863fdec27a4a0e9d8e13ad6e2a1aa27a716a1fed42889.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2432
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 3
          4⤵
          • Delays execution with timeout.exe
          PID:3604

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

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Downloads

  • memory/2432-136-0x0000000000000000-mapping.dmp
  • memory/3604-137-0x0000000000000000-mapping.dmp
  • memory/3840-131-0x0000000000000000-mapping.dmp
  • memory/3840-132-0x0000000000400000-0x0000000000437000-memory.dmp
    Filesize

    220KB

  • memory/3840-133-0x0000000000400000-0x0000000000437000-memory.dmp
    Filesize

    220KB

  • memory/3840-134-0x0000000000400000-0x0000000000437000-memory.dmp
    Filesize

    220KB

  • memory/3840-135-0x0000000000400000-0x0000000000437000-memory.dmp
    Filesize

    220KB

  • memory/4124-130-0x00000000002D0000-0x0000000000354000-memory.dmp
    Filesize

    528KB