Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2024 21:50

General

  • Target

    c1b0a127dd1f69399a03c8653776df9c.exe

  • Size

    235KB

  • MD5

    c1b0a127dd1f69399a03c8653776df9c

  • SHA1

    c66ab86b8bff31d74f077ec989887ba0aa186763

  • SHA256

    f20ff51110a2afc08e58fbfbb856043bc4a1510a95b46ccbf3770f7f8344214a

  • SHA512

    42583ed265820fd6c272e4513972314c4db0c401d939d932528320cfc78ceabccfb17b314a77657dcadf53843ce5316aa7f6a88f1700a0797b2caf45c1d4e93b

  • SSDEEP

    6144:QRSe86YHbe3UuWmX8DVNC8zzt6+KXDJ1DKmB87vN2U5TUjr:UfuuNsDfxatTB870Njr

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer payload 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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\c1b0a127dd1f69399a03c8653776df9c.exe
    "C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
      C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3764
      • C:\Windows\SysWOW64\cmd.exe
        /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 3
          4⤵
          • Delays execution with timeout.exe
          PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1020-8-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

    Filesize

    120KB

  • memory/1020-6-0x0000000006BA0000-0x0000000006BCA000-memory.dmp

    Filesize

    168KB

  • memory/1020-2-0x0000000005FE0000-0x0000000006584000-memory.dmp

    Filesize

    5.6MB

  • memory/1020-3-0x0000000005980000-0x0000000005A12000-memory.dmp

    Filesize

    584KB

  • memory/1020-0-0x0000000000F80000-0x0000000000FBE000-memory.dmp

    Filesize

    248KB

  • memory/1020-5-0x0000000005B50000-0x0000000005B5A000-memory.dmp

    Filesize

    40KB

  • memory/1020-1-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1020-7-0x0000000006C50000-0x0000000006CC6000-memory.dmp

    Filesize

    472KB

  • memory/1020-4-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/1020-9-0x0000000006C40000-0x0000000006C52000-memory.dmp

    Filesize

    72KB

  • memory/1020-14-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3764-12-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3764-10-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3764-13-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3764-15-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3764-16-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB