Resubmissions

31/03/2025, 16:27

250331-tx63bawmt7 10

20/09/2021, 10:27

210920-mg376adga2 10

Analysis

  • max time kernel
    101s
  • max time network
    103s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ttcopy.exe
    "C:\Users\Admin\AppData\Local\Temp\ttcopy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LvfcqXStYW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE104.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2828
    • C:\Users\Admin\AppData\Local\Temp\ttcopy.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3124

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/740-121-0x0000000005E90000-0x0000000005E91000-memory.dmp

    Filesize

    4KB

  • memory/740-118-0x0000000005530000-0x0000000005531000-memory.dmp

    Filesize

    4KB

  • memory/740-119-0x0000000005430000-0x0000000005431000-memory.dmp

    Filesize

    4KB

  • memory/740-120-0x0000000005690000-0x0000000005691000-memory.dmp

    Filesize

    4KB

  • memory/740-114-0x00000000008E0000-0x00000000008E1000-memory.dmp

    Filesize

    4KB

  • memory/740-122-0x0000000005490000-0x000000000598E000-memory.dmp

    Filesize

    5.0MB

  • memory/740-123-0x0000000002DA0000-0x0000000002DAE000-memory.dmp

    Filesize

    56KB

  • memory/740-124-0x00000000093A0000-0x0000000009409000-memory.dmp

    Filesize

    420KB

  • memory/740-125-0x0000000009410000-0x000000000942A000-memory.dmp

    Filesize

    104KB

  • memory/740-117-0x0000000005990000-0x0000000005991000-memory.dmp

    Filesize

    4KB

  • memory/740-116-0x0000000005380000-0x0000000005381000-memory.dmp

    Filesize

    4KB

  • memory/3124-140-0x0000000007060000-0x0000000007061000-memory.dmp

    Filesize

    4KB

  • memory/3124-133-0x0000000005A10000-0x0000000005A11000-memory.dmp

    Filesize

    4KB

  • memory/3124-134-0x0000000005400000-0x0000000005401000-memory.dmp

    Filesize

    4KB

  • memory/3124-135-0x0000000005460000-0x0000000005461000-memory.dmp

    Filesize

    4KB

  • memory/3124-136-0x00000000054A0000-0x00000000054A1000-memory.dmp

    Filesize

    4KB

  • memory/3124-137-0x00000000053F0000-0x00000000053F1000-memory.dmp

    Filesize

    4KB

  • memory/3124-138-0x00000000056F0000-0x00000000056F1000-memory.dmp

    Filesize

    4KB

  • memory/3124-139-0x0000000006960000-0x0000000006961000-memory.dmp

    Filesize

    4KB

  • memory/3124-128-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3124-141-0x0000000006B30000-0x0000000006B31000-memory.dmp

    Filesize

    4KB

  • memory/3124-144-0x0000000006F50000-0x0000000006F51000-memory.dmp

    Filesize

    4KB

  • memory/3124-145-0x0000000007040000-0x0000000007041000-memory.dmp

    Filesize

    4KB