General

  • Target

    a1d6f712004a766776c9135bbb61f0b821face316ef9f3daf07cb3cbfbff62b4

  • Size

    1.0MB

  • Sample

    231016-nn2hksfg25

  • MD5

    91cb9602751d3b65d69c073c3acb2145

  • SHA1

    d4bb68484a13d8e2bf44f1082800ccfc837cc97d

  • SHA256

    a1d6f712004a766776c9135bbb61f0b821face316ef9f3daf07cb3cbfbff62b4

  • SHA512

    d61b97c44745d9440001dc905ddec5337d2ef56658b4ddde1771cdda4562ff10487941248f2f09e7c98ea55085e1871273c9ab63dc19edd41197a819f1fc0a4e

  • SSDEEP

    24576:ayE2LWfWkVe/ioweQCRp39n9iz7tfflJyUN6kvWEtlu:hnUW8SBQQn9WBfflJ5V

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

      a1d6f712004a766776c9135bbb61f0b821face316ef9f3daf07cb3cbfbff62b4

    • Size

      1.0MB

    • MD5

      91cb9602751d3b65d69c073c3acb2145

    • SHA1

      d4bb68484a13d8e2bf44f1082800ccfc837cc97d

    • SHA256

      a1d6f712004a766776c9135bbb61f0b821face316ef9f3daf07cb3cbfbff62b4

    • SHA512

      d61b97c44745d9440001dc905ddec5337d2ef56658b4ddde1771cdda4562ff10487941248f2f09e7c98ea55085e1871273c9ab63dc19edd41197a819f1fc0a4e

    • SSDEEP

      24576:ayE2LWfWkVe/ioweQCRp39n9iz7tfflJyUN6kvWEtlu:hnUW8SBQQn9WBfflJ5V

    • DcRat

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

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • 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.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks