Analysis

  • max time kernel
    36s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    04/06/2021, 07:22

General

  • Target
    13a1ace790f7b97a7a21b8ed8d6e6d2c.exe
  • Size 688KB
  • Sample210604-az4m4fqqds
  • SHA256 9dafed2c976faae809c4b25e714ddd74f2c5f136dc4f9b871450f416793c7a57
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • MIX 04.06

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\13a1ace790f7b97a7a21b8ed8d6e6d2c.exe
    "C:\Users\Admin\AppData\Local\Temp\13a1ace790f7b97a7a21b8ed8d6e6d2c.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3416

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3416-124-0x0000000000470000-0x000000000051E000-memory.dmp

        memory/3416-125-0x0000000000400000-0x0000000000467000-memory.dmp

        memory/3416-136-0x0000000006D20000-0x0000000006D21000-memory.dmp

        memory/3416-119-0x0000000002390000-0x00000000023AA000-memory.dmp

        memory/3416-120-0x0000000004C10000-0x0000000004C11000-memory.dmp

        memory/3416-121-0x0000000002430000-0x0000000002448000-memory.dmp

        memory/3416-122-0x0000000005110000-0x0000000005111000-memory.dmp

        memory/3416-123-0x0000000002600000-0x0000000002601000-memory.dmp

        memory/3416-135-0x00000000066E0000-0x00000000066E1000-memory.dmp

        memory/3416-126-0x0000000002640000-0x0000000002641000-memory.dmp

        memory/3416-127-0x0000000004C00000-0x0000000004C01000-memory.dmp

        memory/3416-129-0x0000000004C03000-0x0000000004C04000-memory.dmp

        memory/3416-128-0x0000000004C02000-0x0000000004C03000-memory.dmp

        memory/3416-130-0x0000000004C04000-0x0000000004C06000-memory.dmp

        memory/3416-131-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

        memory/3416-132-0x0000000005790000-0x0000000005791000-memory.dmp

        memory/3416-133-0x0000000006230000-0x0000000006231000-memory.dmp

        memory/3416-134-0x0000000006510000-0x0000000006511000-memory.dmp

        memory/4024-114-0x00000000022B0000-0x000000000237E000-memory.dmp

        memory/4024-115-0x0000000000400000-0x00000000004D5000-memory.dmp