Analysis

  • max time kernel
    37s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    02/06/2021, 17:26

General

  • Target
    5d624f2940d05a8d08722062e9f61f8e.exe
  • Size 710KB
  • Sample210602-evaxb2vfla
  • SHA256 4e557a2a8db727d6fbbdd785311d8d6b87e978c6460a452cc1d574ec135c964e
  • 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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d624f2940d05a8d08722062e9f61f8e.exe
    "C:\Users\Admin\AppData\Local\Temp\5d624f2940d05a8d08722062e9f61f8e.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/804-124-0x00000000005D0000-0x00000000005FE000-memory.dmp

        memory/804-125-0x0000000000400000-0x0000000000467000-memory.dmp

        memory/804-136-0x0000000006E60000-0x0000000006E61000-memory.dmp

        memory/804-119-0x0000000002210000-0x000000000222A000-memory.dmp

        memory/804-120-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

        memory/804-121-0x0000000002480000-0x0000000002498000-memory.dmp

        memory/804-122-0x00000000052A0000-0x00000000052A1000-memory.dmp

        memory/804-123-0x0000000002640000-0x0000000002641000-memory.dmp

        memory/804-135-0x0000000006820000-0x0000000006821000-memory.dmp

        memory/804-128-0x0000000004D93000-0x0000000004D94000-memory.dmp

        memory/804-127-0x0000000004D92000-0x0000000004D93000-memory.dmp

        memory/804-126-0x0000000004D90000-0x0000000004D91000-memory.dmp

        memory/804-130-0x0000000002780000-0x0000000002781000-memory.dmp

        memory/804-129-0x0000000004D94000-0x0000000004D96000-memory.dmp

        memory/804-131-0x0000000004C20000-0x0000000004C21000-memory.dmp

        memory/804-132-0x00000000058D0000-0x00000000058D1000-memory.dmp

        memory/804-133-0x0000000006370000-0x0000000006371000-memory.dmp

        memory/804-134-0x0000000006650000-0x0000000006651000-memory.dmp

        memory/1504-114-0x00000000021C0000-0x000000000228E000-memory.dmp

        memory/1504-115-0x0000000000400000-0x00000000004D5000-memory.dmp