General

  • Target

    NEAS.NEAS2d937402ddee15a50bb3701f7ec3c9af3037fd4ab786a34e8ec9a98b41bd64d1exeexe_JC.exe

  • Size

    968KB

  • Sample

    231016-pbxvasgb89

  • MD5

    ed169daf4f3bf4c2173920efc462f921

  • SHA1

    630245b4454cc9063318581a9c903017318946a3

  • SHA256

    2d937402ddee15a50bb3701f7ec3c9af3037fd4ab786a34e8ec9a98b41bd64d1

  • SHA512

    b2202395df631c9c2bc10cfce97ebe234c42e7f0caa45996977d77d60ad5cf4d8875f8f446ff15977e63ffda608ede520b6b6eaa74e05306f82deebfaacdb43e

  • SSDEEP

    24576:NyY7zst7tfv882lyUHupmLBhYBex81Y/cv:oy67tfEjl3AEIeC1Yk

Malware Config

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

pixelscloud2.0

C2

85.209.176.128:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Targets

    • Target

      NEAS.NEAS2d937402ddee15a50bb3701f7ec3c9af3037fd4ab786a34e8ec9a98b41bd64d1exeexe_JC.exe

    • Size

      968KB

    • MD5

      ed169daf4f3bf4c2173920efc462f921

    • SHA1

      630245b4454cc9063318581a9c903017318946a3

    • SHA256

      2d937402ddee15a50bb3701f7ec3c9af3037fd4ab786a34e8ec9a98b41bd64d1

    • SHA512

      b2202395df631c9c2bc10cfce97ebe234c42e7f0caa45996977d77d60ad5cf4d8875f8f446ff15977e63ffda608ede520b6b6eaa74e05306f82deebfaacdb43e

    • SSDEEP

      24576:NyY7zst7tfv882lyUHupmLBhYBex81Y/cv:oy67tfEjl3AEIeC1Yk

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • SectopRAT

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

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks