Analysis

  • max time kernel
    80s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    03/08/2021, 16:12

General

  • Target
    92d8a8134cf80c396aeae2da2dcbe705.exe
  • Size 587KB
  • Sample210803-893d72pl8s
  • SHA256 a0c0c84c50b9cbb46063016dbfb74a83fb26a604a0bd5def3141b7bddd005818
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • MIX 03.08

C2
  • 185.215.113.17:18597

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92d8a8134cf80c396aeae2da2dcbe705.exe
    "C:\Users\Admin\AppData\Local\Temp\92d8a8134cf80c396aeae2da2dcbe705.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Roaming\dahgarq\apineshpp.exe
      apineshpp.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:340

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/340-67-0x0000000000400000-0x0000000002C7C000-memory.dmp

        memory/340-66-0x0000000002C80000-0x0000000002CAF000-memory.dmp

        memory/340-68-0x0000000004760000-0x000000000477C000-memory.dmp

        memory/340-69-0x0000000004780000-0x000000000479A000-memory.dmp

        memory/340-71-0x00000000070A2000-0x00000000070A3000-memory.dmp

        memory/340-72-0x00000000070A3000-0x00000000070A4000-memory.dmp

        memory/340-70-0x00000000070A1000-0x00000000070A2000-memory.dmp

        memory/340-73-0x00000000070A4000-0x00000000070A6000-memory.dmp

        memory/1932-59-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

        memory/1932-60-0x00000000002D0000-0x000000000039C000-memory.dmp

        memory/1932-61-0x0000000000400000-0x0000000002CCA000-memory.dmp