Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11/05/2022, 07:52

General

  • Target

    fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe

  • Size

    692KB

  • MD5

    837547af8d2a1f60f8bbe09066f0ffa2

  • SHA1

    727421a8ea79d0c0562870c33d055224c7c9a4bc

  • SHA256

    fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f

  • SHA512

    579fe72723076eb6605660258caf1b8b2a2cf4f05c50f15c0a6a1d8226c13eb847ade0230e5bb1ba21c820e6b2ae0662b33725e65f7b43e0fb2f98c4e41d6961

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 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 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:1192
    • 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:1616
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        3⤵
          PID:1016
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
          3⤵
            PID:1788
        • C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
          "C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
          2⤵
            PID:948

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe

          Filesize

          324KB

          MD5

          2652215d4d7a57fc45691bb1d53fb6ce

          SHA1

          15838b55aa4b2dc05ca09b2b958056fcb17776bd

          SHA256

          326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6

          SHA512

          f4694966c4beb4e9cca674b85311de400f7c9ebf7eb9e0e271074281447513d562757bb477a7884b02ba9cdc8caf9b3952afcc0e66b9a36c6c167aa5e731ca59

        • \Users\Admin\AppData\Local\Temp\dcaqbmme.exe

          Filesize

          324KB

          MD5

          2652215d4d7a57fc45691bb1d53fb6ce

          SHA1

          15838b55aa4b2dc05ca09b2b958056fcb17776bd

          SHA256

          326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6

          SHA512

          f4694966c4beb4e9cca674b85311de400f7c9ebf7eb9e0e271074281447513d562757bb477a7884b02ba9cdc8caf9b3952afcc0e66b9a36c6c167aa5e731ca59

        • \Users\Admin\AppData\Local\Temp\dcaqbmme.exe

          Filesize

          324KB

          MD5

          2652215d4d7a57fc45691bb1d53fb6ce

          SHA1

          15838b55aa4b2dc05ca09b2b958056fcb17776bd

          SHA256

          326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6

          SHA512

          f4694966c4beb4e9cca674b85311de400f7c9ebf7eb9e0e271074281447513d562757bb477a7884b02ba9cdc8caf9b3952afcc0e66b9a36c6c167aa5e731ca59

        • memory/948-70-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1192-56-0x0000000076011000-0x0000000076013000-memory.dmp

          Filesize

          8KB

        • memory/1616-66-0x0000000000260000-0x0000000000267000-memory.dmp

          Filesize

          28KB

        • memory/1788-68-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1788-69-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB