Analysis

  • max time kernel
    135s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2023 15:18

General

  • Target

    Redline Steeler/Redline Steeler/Kurome.Builder/build.exe

  • Size

    95KB

  • MD5

    491495c2c7329e28bb2e5c92de4373ff

  • SHA1

    ec071beb1c9f0401980d040c75ebaebae352e9aa

  • SHA256

    df6c06678f3e35cb0dc275ce34f18c526a5d72c9f9d278b31675763007a47d40

  • SHA512

    e3ff660cd383660987eb67a2178a910f8a64f3717f6d542527636617151edae15fb58d24bed4972458693c79d263209fc5aa70b47b078e88a6c51d13edd069a2

  • SSDEEP

    1536:5qs8OqJGlbG6jejoigIj43Ywzi0Zb78ivombfexv0ujXyyed2k3teulgS6p8l:XHuOYj+zi0ZbYe1g0ujyzdq8

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

141.255.156.206:35361

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Redline Steeler\Redline Steeler\Kurome.Builder\build.exe
    "C:\Users\Admin\AppData\Local\Temp\Redline Steeler\Redline Steeler\Kurome.Builder\build.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2348

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2348-133-0x0000000000420000-0x000000000043E000-memory.dmp
    Filesize

    120KB

  • memory/2348-134-0x00000000053F0000-0x0000000005A08000-memory.dmp
    Filesize

    6.1MB

  • memory/2348-135-0x0000000004DD0000-0x0000000004DE2000-memory.dmp
    Filesize

    72KB

  • memory/2348-136-0x0000000004E30000-0x0000000004E6C000-memory.dmp
    Filesize

    240KB

  • memory/2348-137-0x00000000050C0000-0x00000000051CA000-memory.dmp
    Filesize

    1.0MB

  • memory/2348-138-0x0000000004DC0000-0x0000000004DD0000-memory.dmp
    Filesize

    64KB

  • memory/2348-139-0x0000000004DC0000-0x0000000004DD0000-memory.dmp
    Filesize

    64KB