Analysis

  • max time kernel
    37s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    02/06/2021, 17:26

General

  • Target
    73db88f5f856039ff1b4319a2bbab399.exe
  • Size 682KB
  • Sample210602-858j8lba5e
  • SHA256 b8ebefb8841d4f04f9abeeea1f7caae9009c63a4f01b6d24f45f79cc3ad8818d
  • 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\73db88f5f856039ff1b4319a2bbab399.exe
    "C:\Users\Admin\AppData\Local\Temp\73db88f5f856039ff1b4319a2bbab399.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3636

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3636-124-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

        memory/3636-127-0x0000000005640000-0x0000000005641000-memory.dmp

        memory/3636-136-0x0000000006D20000-0x0000000006D21000-memory.dmp

        memory/3636-119-0x0000000000470000-0x000000000049E000-memory.dmp

        memory/3636-120-0x0000000000400000-0x0000000000467000-memory.dmp

        memory/3636-121-0x0000000002130000-0x000000000214A000-memory.dmp

        memory/3636-122-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

        memory/3636-123-0x00000000024A0000-0x00000000024B8000-memory.dmp

        memory/3636-135-0x00000000066E0000-0x00000000066E1000-memory.dmp

        memory/3636-125-0x0000000002610000-0x0000000002611000-memory.dmp

        memory/3636-126-0x0000000005600000-0x0000000005601000-memory.dmp

        memory/3636-129-0x0000000002672000-0x0000000002673000-memory.dmp

        memory/3636-128-0x0000000002670000-0x0000000002671000-memory.dmp

        memory/3636-130-0x0000000002673000-0x0000000002674000-memory.dmp

        memory/3636-131-0x0000000002674000-0x0000000002676000-memory.dmp

        memory/3636-132-0x0000000005790000-0x0000000005791000-memory.dmp

        memory/3636-133-0x0000000006230000-0x0000000006231000-memory.dmp

        memory/3636-134-0x0000000006510000-0x0000000006511000-memory.dmp

        memory/3928-114-0x00000000021A0000-0x000000000226E000-memory.dmp

        memory/3928-115-0x0000000000400000-0x00000000004D5000-memory.dmp