Analysis

  • max time kernel
    91s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2024 12:48

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 17 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:2576
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3204
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:884
        • 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:2488
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:1424

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2488-14-0x0000000005860000-0x000000000586A000-memory.dmp

          Filesize

          40KB

        • memory/2488-20-0x0000000006900000-0x0000000006966000-memory.dmp

          Filesize

          408KB

        • memory/2488-25-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB

        • memory/2488-17-0x0000000006D40000-0x0000000006D52000-memory.dmp

          Filesize

          72KB

        • memory/2488-15-0x0000000006E30000-0x0000000007448000-memory.dmp

          Filesize

          6.1MB

        • memory/2488-8-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB

        • memory/2488-11-0x0000000005DA0000-0x0000000006344000-memory.dmp

          Filesize

          5.6MB

        • memory/2488-23-0x000000000A750000-0x000000000AC7C000-memory.dmp

          Filesize

          5.2MB

        • memory/2488-12-0x0000000005890000-0x0000000005922000-memory.dmp

          Filesize

          584KB

        • memory/2488-13-0x00000000059F0000-0x0000000005A00000-memory.dmp

          Filesize

          64KB

        • memory/2488-22-0x00000000094F0000-0x00000000096B2000-memory.dmp

          Filesize

          1.8MB

        • memory/2488-21-0x0000000009FD0000-0x000000000A020000-memory.dmp

          Filesize

          320KB

        • memory/2488-5-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

        • memory/2488-16-0x00000000086B0000-0x00000000087BA000-memory.dmp

          Filesize

          1.0MB

        • memory/2488-18-0x0000000006DA0000-0x0000000006DDC000-memory.dmp

          Filesize

          240KB

        • memory/2488-19-0x00000000087C0000-0x000000000880C000-memory.dmp

          Filesize

          304KB

        • memory/2576-0-0x00000000005F0000-0x0000000000654000-memory.dmp

          Filesize

          400KB

        • memory/2576-6-0x0000000002A50000-0x0000000004A50000-memory.dmp

          Filesize

          32.0MB

        • memory/2576-3-0x0000000004F40000-0x0000000004F50000-memory.dmp

          Filesize

          64KB

        • memory/2576-10-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB

        • memory/2576-1-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB