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General

  • Target

    file

  • Size

    1.5MB

  • Sample

    231014-kcemwsbb8t

  • MD5

    4050f5f3840b5ec7442dc59797de9c69

  • SHA1

    773e8078ef47a9a2ff13af0c9914f8d2c8b03a9d

  • SHA256

    6d5a44654a3a29dca2e70806e50074cd92437e69b2fe7e28ea710727b6c0baa7

  • SHA512

    730606a1ad3ce2901ea1c51e1e0898efb703faa44985bec9c00cc136bbc895e5fe518dffdad21c2916a665709913841e0acb83fc529eabc51399f127546976fc

  • SSDEEP

    49152:Os/uU1Q/fLnE5YNZg7hVshaK0MICb+10qQ/j66VDL+5:iUirE54GshaCbD6IS5

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

pixelscloud

C2

85.209.176.171:80

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Targets

    • Target

      file

    • Size

      1.5MB

    • MD5

      4050f5f3840b5ec7442dc59797de9c69

    • SHA1

      773e8078ef47a9a2ff13af0c9914f8d2c8b03a9d

    • SHA256

      6d5a44654a3a29dca2e70806e50074cd92437e69b2fe7e28ea710727b6c0baa7

    • SHA512

      730606a1ad3ce2901ea1c51e1e0898efb703faa44985bec9c00cc136bbc895e5fe518dffdad21c2916a665709913841e0acb83fc529eabc51399f127546976fc

    • SSDEEP

      49152:Os/uU1Q/fLnE5YNZg7hVshaK0MICb+10qQ/j66VDL+5:iUirE54GshaCbD6IS5

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

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

    • Detected google phishing page

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • 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

    • .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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks