General

  • Target

    bd7CR28.exe

  • Size

    840KB

  • Sample

    231010-fpbdsada95

  • MD5

    7edacf0a87306c8b46e7d95ddfeb76ba

  • SHA1

    e9d4161779282e2a2da1537e6eaaa7b9223eb0fb

  • SHA256

    f03657a1fcbcbd6f032f536d2f45db438e2eb47d3f67596f1a9e1b0d5e17a699

  • SHA512

    fa2df3374bccab649f5d21cc121174993b3427b4ddf0ecd5c80dd36ed976fe0b87f89428a7ba70db544e998cc58cbfc011e60755cad5cef1ab679601bb0d50b3

  • SSDEEP

    12288:HMrPy90vJpBY0W03qGmebMDzzEZI+o2hbOycoK4nMj8rq9zc25BwpYI+:gy01Y43iewDPEZI+YDoKh8O9zL0pYx

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

6012068394_99

C2

https://pastebin.com/raw/8baCJyMF

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

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

redline

Botnet

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      bd7CR28.exe

    • Size

      840KB

    • MD5

      7edacf0a87306c8b46e7d95ddfeb76ba

    • SHA1

      e9d4161779282e2a2da1537e6eaaa7b9223eb0fb

    • SHA256

      f03657a1fcbcbd6f032f536d2f45db438e2eb47d3f67596f1a9e1b0d5e17a699

    • SHA512

      fa2df3374bccab649f5d21cc121174993b3427b4ddf0ecd5c80dd36ed976fe0b87f89428a7ba70db544e998cc58cbfc011e60755cad5cef1ab679601bb0d50b3

    • SSDEEP

      12288:HMrPy90vJpBY0W03qGmebMDzzEZI+o2hbOycoK4nMj8rq9zc25BwpYI+:gy01Y43iewDPEZI+YDoKh8O9zL0pYx

    • 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

    • Glupteba

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

    • Glupteba payload

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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