Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 10:57

General

  • Target
    file.exe
  • Size 323KB
  • Sample240921-m2arcaycrb
  • SHA256 76b4e6a99335d5ffa35e15863b544bf2ec9ed76cc8320e1d3e2f521a27018d07
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (TG: @logsdillabot)

C2
  • 193.233.255.84:4284

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2092
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3292

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          TmpAA1B.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TmpAA1B.tmp
          • Size 2KB
          • SHA256 f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
          • MD5 SHA1 SHA512

          memory/1612-9-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/1612-1-0x0000000000EC0000-0x0000000000F14000-memory.dmp

          memory/1612-2-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/1612-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

          memory/1612-7-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3292-31-0x0000000006A90000-0x0000000006AAE000-memory.dmp

          memory/3292-36-0x0000000006C20000-0x0000000006D2A000-memory.dmp

          memory/3292-12-0x0000000005710000-0x00000000057A2000-memory.dmp

          memory/3292-13-0x00000000056B0000-0x00000000056BA000-memory.dmp

          memory/3292-10-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3292-30-0x00000000063F0000-0x0000000006466000-memory.dmp

          memory/3292-5-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/3292-35-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3292-34-0x00000000070D0000-0x00000000076E8000-memory.dmp

          memory/3292-11-0x0000000005CC0000-0x0000000006264000-memory.dmp

          memory/3292-37-0x0000000006B60000-0x0000000006B72000-memory.dmp

          memory/3292-38-0x0000000006BC0000-0x0000000006BFC000-memory.dmp

          memory/3292-39-0x0000000006D30000-0x0000000006D7C000-memory.dmp

          memory/3292-40-0x0000000006E70000-0x0000000006ED6000-memory.dmp

          memory/3292-43-0x0000000007080000-0x00000000070D0000-memory.dmp

          memory/3292-44-0x0000000007CC0000-0x0000000007E82000-memory.dmp

          memory/3292-45-0x00000000083C0000-0x00000000088EC000-memory.dmp

          memory/3292-46-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3292-47-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3292-49-0x00000000747C0000-0x0000000074F70000-memory.dmp