Analysis

  • max time kernel
    137s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 14:57

General

  • Target

    52d5102aa94d913408cacb8480a5007f4757bac252d6379b467616eb62442eea.exe

  • Size

    274KB

  • MD5

    3b2f6dcd799e06d8804c55bc9128b9f4

  • SHA1

    67bfd5573dc98910ab128d825d92c16fa29c48c8

  • SHA256

    52d5102aa94d913408cacb8480a5007f4757bac252d6379b467616eb62442eea

  • SHA512

    05db7c5138366ff685398a45be1fab7bfec70967f116babb1ebbdc15a112cb28964efa7ba614b9d9cc76dedddf4974d057432bc5b1882e1379c426db930a521c

  • SSDEEP

    6144:0JeaoQWhlmgE5pdj7yKUtYowTgEd71anT7fxwp/:ceaZpp57yKuY5TgO4T+p/

Malware Config

Extracted

Family

redline

Botnet

5637482599

C2

https://pastebin.com/raw/NgsUAPya

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52d5102aa94d913408cacb8480a5007f4757bac252d6379b467616eb62442eea.exe
    "C:\Users\Admin\AppData\Local\Temp\52d5102aa94d913408cacb8480a5007f4757bac252d6379b467616eb62442eea.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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:3496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 340
      2⤵
      • Program crash
      PID:740
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2688 -ip 2688
    1⤵
      PID:1760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2688-0-0x0000000000111000-0x0000000000112000-memory.dmp

      Filesize

      4KB

    • memory/3496-1-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/3496-2-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

      Filesize

      4KB

    • memory/3496-3-0x00000000055D0000-0x0000000005636000-memory.dmp

      Filesize

      408KB

    • memory/3496-4-0x0000000006160000-0x0000000006778000-memory.dmp

      Filesize

      6.1MB

    • memory/3496-5-0x0000000005BC0000-0x0000000005BD2000-memory.dmp

      Filesize

      72KB

    • memory/3496-6-0x0000000005CF0000-0x0000000005DFA000-memory.dmp

      Filesize

      1.0MB

    • memory/3496-7-0x0000000074A60000-0x0000000075210000-memory.dmp

      Filesize

      7.7MB

    • memory/3496-8-0x00000000069C0000-0x00000000069FC000-memory.dmp

      Filesize

      240KB

    • memory/3496-9-0x0000000006A00000-0x0000000006A4C000-memory.dmp

      Filesize

      304KB

    • memory/3496-10-0x0000000006D30000-0x0000000006EF2000-memory.dmp

      Filesize

      1.8MB

    • memory/3496-11-0x0000000007430000-0x000000000795C000-memory.dmp

      Filesize

      5.2MB

    • memory/3496-12-0x0000000006F00000-0x0000000006F92000-memory.dmp

      Filesize

      584KB

    • memory/3496-13-0x0000000007F10000-0x00000000084B4000-memory.dmp

      Filesize

      5.6MB

    • memory/3496-14-0x0000000007020000-0x0000000007096000-memory.dmp

      Filesize

      472KB

    • memory/3496-15-0x0000000006D10000-0x0000000006D2E000-memory.dmp

      Filesize

      120KB

    • memory/3496-16-0x0000000007130000-0x0000000007180000-memory.dmp

      Filesize

      320KB

    • memory/3496-18-0x0000000074A60000-0x0000000075210000-memory.dmp

      Filesize

      7.7MB