Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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
  • Deletes itself 1 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 42 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:1724
    • C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
      C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
      2⤵
        PID:2504
      • C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
        C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
        2⤵
          PID:2556
        • C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
          C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
          2⤵
            PID:2560
          • C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
            C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2572
            • C:\Windows\SysWOW64\cmd.exe
              /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
              3⤵
              • Deletes itself
              • Suspicious use of WriteProcessMemory
              PID:1848
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 3
                4⤵
                • Delays execution with timeout.exe
                PID:2092

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Credential Access

        Unsecured Credentials

        3
        T1552

        Credentials In Files

        2
        T1552.001

        Credentials in Registry

        1
        T1552.002

        Discovery

        Query Registry

        1
        T1012

        Collection

        Data from Local System

        3
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1724-0-0x0000000000300000-0x000000000033E000-memory.dmp
          Filesize

          248KB

        • memory/1724-1-0x0000000074930000-0x000000007501E000-memory.dmp
          Filesize

          6.9MB

        • memory/1724-2-0x00000000047B0000-0x00000000047F0000-memory.dmp
          Filesize

          256KB

        • memory/1724-3-0x0000000001F30000-0x0000000001F5A000-memory.dmp
          Filesize

          168KB

        • memory/1724-4-0x00000000006B0000-0x00000000006C2000-memory.dmp
          Filesize

          72KB

        • memory/1724-8-0x0000000074930000-0x000000007501E000-memory.dmp
          Filesize

          6.9MB

        • memory/2572-5-0x0000000000400000-0x000000000043A000-memory.dmp
          Filesize

          232KB

        • memory/2572-7-0x0000000000400000-0x000000000043A000-memory.dmp
          Filesize

          232KB

        • memory/2572-9-0x0000000000400000-0x000000000043A000-memory.dmp
          Filesize

          232KB

        • memory/2572-10-0x0000000000400000-0x000000000043A000-memory.dmp
          Filesize

          232KB

        • memory/2572-11-0x0000000000400000-0x000000000043A000-memory.dmp
          Filesize

          232KB