Resubmissions

31/03/2025, 16:27

250331-tx63bawmt7 10

20/09/2021, 10:27

210920-mg376adga2 10

Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20210916
  • submitted
    20/09/2021, 10:27

General

  • Target

    ttcopy.exe

  • Size

    1.4MB

  • MD5

    eace0039dd2f8fb2a963b0cf8208b8ed

  • SHA1

    3c9095b0e6b423b17abb966bc2dce7092a05fe70

  • SHA256

    3e66d72e6cb4fab3bf03a7a1ba048e661b9669928a021140d4d0cde12ced097f

  • SHA512

    eaf1ffb532deda9424cbfb3655dbe423f6e0ec289dd7eeec02714eef516e068c0fa15c914fc69f146d5d9a3839b6a34d2a81925953c66b4b0252ae28c7345135

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

103.168.67.29:6677

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ttcopy.exe
    "C:\Users\Admin\AppData\Local\Temp\ttcopy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LvfcqXStYW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E21.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1508
    • C:\Users\Admin\AppData\Local\Temp\ttcopy.exe
      "{path}"
      2⤵
        PID:1812
      • C:\Users\Admin\AppData\Local\Temp\ttcopy.exe
        "{path}"
        2⤵
          PID:1304
        • C:\Users\Admin\AppData\Local\Temp\ttcopy.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:456

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/456-62-0x0000000000400000-0x000000000041E000-memory.dmp

        Filesize

        120KB

      • memory/456-64-0x0000000000400000-0x000000000041E000-memory.dmp

        Filesize

        120KB

      • memory/456-66-0x00000000047C0000-0x00000000047C1000-memory.dmp

        Filesize

        4KB

      • memory/1912-54-0x0000000000D00000-0x0000000000D01000-memory.dmp

        Filesize

        4KB

      • memory/1912-56-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

        Filesize

        4KB

      • memory/1912-57-0x0000000000440000-0x000000000044E000-memory.dmp

        Filesize

        56KB

      • memory/1912-58-0x0000000008F70000-0x0000000008FD9000-memory.dmp

        Filesize

        420KB

      • memory/1912-59-0x00000000005C0000-0x00000000005DA000-memory.dmp

        Filesize

        104KB