Analysis

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

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2024, 19:04

General

  • Target
    file.exe
  • Size 526KB
  • Sample240519-xqx3lsdb2v
  • SHA256 c9b088d954f9292346595b6c472d9a08fcd42a939286f30bd6dd4dc4069c6bf8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (TG: @logsdillabot)

C2
  • 5.42.65.85:45779

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
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 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:1960
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2364
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2164

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Tmp8220.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tmp8220.tmp
          • Size 2KB
          • SHA256 f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
          • MD5 SHA1 SHA512

          memory/1960-1-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

          memory/1960-0-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

          memory/1960-3-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

          memory/2164-25-0x0000000005FC0000-0x0000000006036000-memory.dmp

          memory/2164-30-0x0000000006900000-0x0000000006A0A000-memory.dmp

          memory/2164-6-0x0000000005260000-0x00000000052F2000-memory.dmp

          memory/2164-7-0x00000000740D0000-0x0000000074880000-memory.dmp

          memory/2164-8-0x0000000005410000-0x000000000541A000-memory.dmp

          memory/2164-4-0x00000000740DE000-0x00000000740DF000-memory.dmp

          memory/2164-2-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/2164-26-0x0000000006770000-0x000000000678E000-memory.dmp

          memory/2164-29-0x0000000006DB0000-0x00000000073C8000-memory.dmp

          memory/2164-5-0x0000000005710000-0x0000000005CB4000-memory.dmp

          memory/2164-31-0x0000000006840000-0x0000000006852000-memory.dmp

          memory/2164-32-0x00000000068A0000-0x00000000068DC000-memory.dmp

          memory/2164-33-0x0000000006A10000-0x0000000006A5C000-memory.dmp

          memory/2164-34-0x0000000006B50000-0x0000000006BB6000-memory.dmp

          memory/2164-37-0x0000000008210000-0x0000000008260000-memory.dmp

          memory/2164-38-0x0000000008660000-0x0000000008822000-memory.dmp

          memory/2164-39-0x0000000008D60000-0x000000000928C000-memory.dmp

          memory/2164-41-0x00000000740D0000-0x0000000074880000-memory.dmp