Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    02/06/2021, 17:26

General

  • Target
    0ecbe24a6259523bf72458170500ac83.exe
  • Size 710KB
  • Sample210602-ptr5qn83ts
  • SHA256 3bc699f9c08a8d4b270e114c71edcfb23ffc3aff6347acc96158d646d0c5ebd3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • MIX 02.06

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
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0ecbe24a6259523bf72458170500ac83.exe
    "C:\Users\Admin\AppData\Local\Temp\0ecbe24a6259523bf72458170500ac83.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:672

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/672-66-0x0000000001D40000-0x0000000001D5A000-memory.dmp

        memory/672-67-0x0000000000240000-0x000000000026E000-memory.dmp

        memory/672-68-0x0000000000400000-0x0000000000467000-memory.dmp

        memory/672-70-0x0000000004842000-0x0000000004843000-memory.dmp

        memory/672-69-0x0000000004841000-0x0000000004842000-memory.dmp

        memory/672-71-0x0000000002010000-0x0000000002028000-memory.dmp

        memory/672-72-0x0000000004843000-0x0000000004844000-memory.dmp

        memory/672-73-0x0000000004844000-0x0000000004846000-memory.dmp

        memory/772-62-0x0000000000400000-0x00000000004D5000-memory.dmp

        memory/772-61-0x0000000000300000-0x00000000003CE000-memory.dmp

        memory/772-60-0x0000000075EF1000-0x0000000075EF3000-memory.dmp