Analysis

  • max time kernel
    181s
  • max time network
    193s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08/05/2022, 01:48

General

  • Target
    fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
  • Size 692KB
  • Sample220508-b78psacab2
  • 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
  • Loads dropped DLL 2 IoCs
  • 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
    "C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1768
    • 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:1760
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        3⤵
          PID:1324
      • C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
        "C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
        2⤵
          PID:1524

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

            dcaqbmme.exe

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

            memory/1324-68-0x0000000000400000-0x0000000000420000-memory.dmp

            memory/1324-69-0x0000000000400000-0x0000000000424000-memory.dmp

            memory/1524-70-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/1768-56-0x0000000076171000-0x0000000076173000-memory.dmp

            memory/1768-65-0x0000000000540000-0x0000000000547000-memory.dmp