Analysis

  • max time kernel
    109s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    02/11/2021, 07:50

General

  • Target
    43e33d331c4e48ed90578a4eeda2a665.exe
  • Size 550KB
  • Sample211102-jpan2acad4
  • SHA256 a471c6e29bde00363fce770ed79fb8f9fff011febc26e87862c53ca32aa3f55c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • 02.11

C2
  • 185.215.113.17:7700

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
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\43e33d331c4e48ed90578a4eeda2a665.exe
    "C:\Users\Admin\AppData\Local\Temp\43e33d331c4e48ed90578a4eeda2a665.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Users\Admin\AppData\Roaming\neverlose\dipster.exe
      dipster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3160

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3160-127-0x0000000002580000-0x00000000025AC000-memory.dmp

        memory/3160-138-0x00000000061C0000-0x00000000061C1000-memory.dmp

        memory/3160-141-0x0000000006790000-0x0000000006791000-memory.dmp

        memory/3160-140-0x00000000065C0000-0x00000000065C1000-memory.dmp

        memory/3160-121-0x00000000005A0000-0x00000000006EA000-memory.dmp

        memory/3160-122-0x00000000005A0000-0x00000000006EA000-memory.dmp

        memory/3160-123-0x0000000004B80000-0x0000000004B81000-memory.dmp

        memory/3160-124-0x0000000000400000-0x0000000000454000-memory.dmp

        memory/3160-125-0x00000000022E0000-0x000000000230D000-memory.dmp

        memory/3160-126-0x0000000004B90000-0x0000000004B91000-memory.dmp

        memory/3160-139-0x00000000063B0000-0x00000000063B1000-memory.dmp

        memory/3160-128-0x0000000005090000-0x0000000005091000-memory.dmp

        memory/3160-131-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

        memory/3160-129-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

        memory/3160-132-0x0000000004B82000-0x0000000004B83000-memory.dmp

        memory/3160-133-0x0000000004B83000-0x0000000004B84000-memory.dmp

        memory/3160-134-0x0000000004B84000-0x0000000004B86000-memory.dmp

        memory/3160-135-0x00000000057B0000-0x00000000057B1000-memory.dmp

        memory/3160-136-0x0000000005A30000-0x0000000005A31000-memory.dmp

        memory/3160-137-0x0000000006100000-0x0000000006101000-memory.dmp

        memory/3160-130-0x00000000056A0000-0x00000000056A1000-memory.dmp

        memory/3496-116-0x0000000002360000-0x000000000242F000-memory.dmp

        memory/3496-115-0x0000000002280000-0x00000000022EC000-memory.dmp

        memory/3496-117-0x0000000000400000-0x00000000004D5000-memory.dmp