Analysis

  • max time kernel
    27s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    06/08/2021, 12:31

General

  • Target
    cf1768f91bf00688197215583111b985.exe
  • Size 562KB
  • Sample210806-fb8gdhphma
  • SHA256 5fc0c8bf9bac4e9321fee7fcf2f0fb6dadaeedc8d5ba6432961654f92fe5e58c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • MIX 05.08

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

    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\cf1768f91bf00688197215583111b985.exe
    "C:\Users\Admin\AppData\Local\Temp\cf1768f91bf00688197215583111b985.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1208
    • 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:760

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/760-68-0x0000000000400000-0x0000000002C7B000-memory.dmp

        memory/760-67-0x00000000043D0000-0x00000000043FF000-memory.dmp

        memory/760-69-0x0000000004520000-0x000000000453C000-memory.dmp

        memory/760-72-0x0000000006FA3000-0x0000000006FA4000-memory.dmp

        memory/760-71-0x0000000006FA2000-0x0000000006FA3000-memory.dmp

        memory/760-70-0x0000000006FA1000-0x0000000006FA2000-memory.dmp

        memory/760-73-0x00000000048A0000-0x00000000048BA000-memory.dmp

        memory/760-74-0x0000000006FA4000-0x0000000006FA6000-memory.dmp

        memory/1208-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

        memory/1208-61-0x0000000002CD0000-0x0000000002D9C000-memory.dmp

        memory/1208-62-0x0000000000400000-0x0000000002CC3000-memory.dmp