Analysis

  • max time kernel
    158s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18/05/2022, 07:47

General

  • Target
    fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
  • Size 692KB
  • Sample220518-jmqbpsfcd3
  • SHA256 fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • 04062022

C2
  • 62.204.41.166:27688

Attributes
  • auth_value

    48182fe753fa2aff7472da064aa2a5d9

Extracted

Family
  • arkei

Botnet
  • Default

C2
  • http://62.204.41.69/p8jG9WvgbE.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
    "C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe
      "C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        3⤵
          PID:4200
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
          3⤵
            PID:4128
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
            3⤵
              PID:2836
          • C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
            "C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
            2⤵
              PID:4184

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                dcaqbmme.exe

                • Path C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe
                • Size 324KB
                • SHA256 326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6
                • MD5 SHA1 SHA512 SSDEEP

                dcaqbmme.exe

                • Path C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe
                • Size 324KB
                • SHA256 326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6
                • MD5 SHA1 SHA512 SSDEEP

                memory/2836-143-0x0000000000400000-0x0000000000424000-memory.dmp

                memory/2836-148-0x0000000005A10000-0x0000000005A4C000-memory.dmp

                memory/2836-147-0x0000000005AE0000-0x0000000005BEA000-memory.dmp

                memory/2836-146-0x00000000059B0000-0x00000000059C2000-memory.dmp

                memory/2836-145-0x0000000005F20000-0x0000000006538000-memory.dmp

                memory/2836-142-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/3428-141-0x0000000002410000-0x0000000002417000-memory.dmp

                memory/4184-144-0x0000000000400000-0x000000000043C000-memory.dmp