Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    26/05/2021, 16:59

General

  • Target
    47b7a984658530083d914253649f86c6.exe
  • Size 708KB
  • Sample210526-apy7exla3x
  • SHA256 faa254ca57ec7188939dc6b75b65b9e018d3152c5adb2953daaea28fd4044b69
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • MIX 25.05

C2
  • xisolenoy.xyz:80

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\47b7a984658530083d914253649f86c6.exe
    "C:\Users\Admin\AppData\Local\Temp\47b7a984658530083d914253649f86c6.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3060-124-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

        memory/3060-127-0x0000000005600000-0x0000000005601000-memory.dmp

        memory/3060-136-0x0000000006D30000-0x0000000006D31000-memory.dmp

        memory/3060-119-0x0000000000520000-0x00000000005CE000-memory.dmp

        memory/3060-120-0x0000000000400000-0x000000000046D000-memory.dmp

        memory/3060-121-0x0000000002160000-0x0000000002179000-memory.dmp

        memory/3060-122-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

        memory/3060-123-0x0000000002590000-0x00000000025A7000-memory.dmp

        memory/3060-135-0x0000000006720000-0x0000000006721000-memory.dmp

        memory/3060-125-0x0000000002730000-0x0000000002731000-memory.dmp

        memory/3060-126-0x0000000002750000-0x0000000002751000-memory.dmp

        memory/3060-128-0x0000000005790000-0x0000000005791000-memory.dmp

        memory/3060-130-0x00000000022D2000-0x00000000022D3000-memory.dmp

        memory/3060-129-0x00000000022D0000-0x00000000022D1000-memory.dmp

        memory/3060-131-0x00000000022D3000-0x00000000022D4000-memory.dmp

        memory/3060-132-0x00000000022D4000-0x00000000022D6000-memory.dmp

        memory/3060-133-0x0000000005FF0000-0x0000000005FF1000-memory.dmp

        memory/3060-134-0x0000000006510000-0x0000000006511000-memory.dmp

        memory/4048-114-0x00000000020E0000-0x00000000021AE000-memory.dmp

        memory/4048-115-0x0000000000400000-0x00000000004D5000-memory.dmp