Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2024 12:46

General

  • Target

    file.exe

  • Size

    383KB

  • MD5

    4dc62aa51086843a31d87236c87f21e4

  • SHA1

    c7cdc373668dd8f7373a433ed0f3703843b67c10

  • SHA256

    5a1a04657de632f044fcf0f4b089686de18840fa979a8265d8f9978f4feb5d27

  • SHA512

    a876f4404d3be84ff8c36bd1005d844b0c22630cafb34631db7b07009c95f6564864a6811bb1b45ac415a64000748cb1626aa367d3deb8b616b6633bfde06658

  • SSDEEP

    6144:4TDPRqvaD9nM07ZX1SpbCVHfBwoxHdHylxT8MSe1YpWEwuSoh:W9nP1XIm/BvxcxlSOw8uSoh

Malware Config

Extracted

Family

redline

Botnet

LiveTraffic

C2

20.113.35.45:38357

Signatures

  • RedLine

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

  • RedLine payload 1 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4588
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4664
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3740

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3456-8-0x0000000002B00000-0x0000000004B00000-memory.dmp

        Filesize

        32.0MB

      • memory/3456-1-0x0000000000640000-0x00000000006A4000-memory.dmp

        Filesize

        400KB

      • memory/3456-3-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

        Filesize

        64KB

      • memory/3456-26-0x0000000002B00000-0x0000000004B00000-memory.dmp

        Filesize

        32.0MB

      • memory/3456-10-0x00000000747D0000-0x0000000074F80000-memory.dmp

        Filesize

        7.7MB

      • memory/3456-0-0x00000000747D0000-0x0000000074F80000-memory.dmp

        Filesize

        7.7MB

      • memory/3740-14-0x00000000057F0000-0x00000000057FA000-memory.dmp

        Filesize

        40KB

      • memory/3740-17-0x00000000068F0000-0x0000000006902000-memory.dmp

        Filesize

        72KB

      • memory/3740-12-0x0000000005640000-0x00000000056D2000-memory.dmp

        Filesize

        584KB

      • memory/3740-13-0x0000000005870000-0x0000000005880000-memory.dmp

        Filesize

        64KB

      • memory/3740-9-0x0000000005BF0000-0x0000000006194000-memory.dmp

        Filesize

        5.6MB

      • memory/3740-15-0x0000000006C40000-0x0000000007258000-memory.dmp

        Filesize

        6.1MB

      • memory/3740-16-0x00000000069D0000-0x0000000006ADA000-memory.dmp

        Filesize

        1.0MB

      • memory/3740-11-0x00000000747D0000-0x0000000074F80000-memory.dmp

        Filesize

        7.7MB

      • memory/3740-18-0x0000000006950000-0x000000000698C000-memory.dmp

        Filesize

        240KB

      • memory/3740-19-0x0000000006AE0000-0x0000000006B2C000-memory.dmp

        Filesize

        304KB

      • memory/3740-20-0x0000000008CC0000-0x0000000008D26000-memory.dmp

        Filesize

        408KB

      • memory/3740-21-0x0000000009180000-0x00000000091D0000-memory.dmp

        Filesize

        320KB

      • memory/3740-22-0x000000000A250000-0x000000000A412000-memory.dmp

        Filesize

        1.8MB

      • memory/3740-23-0x000000000AB50000-0x000000000B07C000-memory.dmp

        Filesize

        5.2MB

      • memory/3740-25-0x00000000747D0000-0x0000000074F80000-memory.dmp

        Filesize

        7.7MB

      • memory/3740-5-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB