Overview

overview

10

Static

static

13572ac4e7...50.exe

windows7_x64

10

13572ac4e7...50.exe

windows10_x64

10

Analysis

  • max time kernel
    22s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    04/08/2021, 23:16

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General

  • Target
    13572ac4e7c7e18d60d9590ccef66950.exe
  • Size 40KB
  • Sample210804-4a656hefts
  • SHA256 ddb3ea989aeba953c5e62ab710371b75bd78eaee4dff5facf08ef65cd07e9bdf
  • MD5 SHA1 SHA512
Score
10/10
redlineforinstallsdiscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

  • redline

Botnet

  • forinstalls

C2

  • 77.220.213.35:52349

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    infostealerredline
  • RedLine Payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13572ac4e7c7e18d60d9590ccef66950.exe
    "C:\Users\Admin\AppData\Local\Temp\13572ac4e7c7e18d60d9590ccef66950.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\31d1e0r1.fug.exe
      "C:\Users\Admin\AppData\Local\Temp\31d1e0r1.fug.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1648

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1648-66-0x00000000001F0000-0x00000000001F1000-memory.dmp
        Download

        memory/1648-68-0x0000000002050000-0x0000000002051000-memory.dmp
        Download

        memory/1996-59-0x00000000002E0000-0x00000000002E1000-memory.dmp
        Download

        memory/1996-61-0x0000000004940000-0x0000000004941000-memory.dmp
        Download