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General

  • Target

    6fa3ea98b1b4983114433c2762498890759b5085a0470f76b71060d60c1b4b6e

  • Size

    255KB

  • Sample

    230918-tq25sacg98

  • MD5

    36bf3ca7bff05bc29e138c172d2d274d

  • SHA1

    9a19411740c7fb267fa3ab38660e7c7cbdd83c7d

  • SHA256

    6fa3ea98b1b4983114433c2762498890759b5085a0470f76b71060d60c1b4b6e

  • SHA512

    cd89d7ec01fcabda2d75601f9c7aa7fc1e75a8df8089f38efae2bbe2def3267a6877cdf48c2aec15092f3d93cf7e4f8fb20bd74c8ed8153541a158ad68330216

  • SSDEEP

    6144:SAdjEF2jicP5iOo2T8VrSd/sUAOzilfrqldZDBI1Sa:SAdoqiG59ou9iRrqlHS1Sa

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

0305

C2

185.215.113.25:10195

Attributes
  • auth_value

    c86205ff1cc37b2da12f0190adfda52c

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      6fa3ea98b1b4983114433c2762498890759b5085a0470f76b71060d60c1b4b6e

    • Size

      255KB

    • MD5

      36bf3ca7bff05bc29e138c172d2d274d

    • SHA1

      9a19411740c7fb267fa3ab38660e7c7cbdd83c7d

    • SHA256

      6fa3ea98b1b4983114433c2762498890759b5085a0470f76b71060d60c1b4b6e

    • SHA512

      cd89d7ec01fcabda2d75601f9c7aa7fc1e75a8df8089f38efae2bbe2def3267a6877cdf48c2aec15092f3d93cf7e4f8fb20bd74c8ed8153541a158ad68330216

    • SSDEEP

      6144:SAdjEF2jicP5iOo2T8VrSd/sUAOzilfrqldZDBI1Sa:SAdoqiG59ou9iRrqlHS1Sa

    • DcRat

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

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • RedLine

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks