General

  • Target

    3f7f5cc8767e57fea4089f538218bea3609482f862237457bca2ae32502ded51

  • Size

    1.4MB

  • Sample

    231111-y1lyrsbd5z

  • MD5

    2e18356fa258def0cbf6cd3c8ed87083

  • SHA1

    b01f863fc9308b7f0982e834bf916b395ae1db8a

  • SHA256

    3f7f5cc8767e57fea4089f538218bea3609482f862237457bca2ae32502ded51

  • SHA512

    b16842dd4d5126bb0dc022a75b55ddd1ed35eee5d89d8f9085c45e2213dbaf9661dd1c2d3fe25abd676b750e9ddc89effccd3158a47e9234916ccf70329d003e

  • SSDEEP

    24576:SypYv/CqqxW3XHUE2SSqO1eoIsOaPGmCnDI+sOqYUNWMh5KDCsN3Qs4:5ivKdW33UHqye/XGGtZUNjLK+Y3V

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      3f7f5cc8767e57fea4089f538218bea3609482f862237457bca2ae32502ded51

    • Size

      1.4MB

    • MD5

      2e18356fa258def0cbf6cd3c8ed87083

    • SHA1

      b01f863fc9308b7f0982e834bf916b395ae1db8a

    • SHA256

      3f7f5cc8767e57fea4089f538218bea3609482f862237457bca2ae32502ded51

    • SHA512

      b16842dd4d5126bb0dc022a75b55ddd1ed35eee5d89d8f9085c45e2213dbaf9661dd1c2d3fe25abd676b750e9ddc89effccd3158a47e9234916ccf70329d003e

    • SSDEEP

      24576:SypYv/CqqxW3XHUE2SSqO1eoIsOaPGmCnDI+sOqYUNWMh5KDCsN3Qs4:5ivKdW33UHqye/XGGtZUNjLK+Y3V

    • Detect Mystic stealer payload

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Mystic

      Mystic is an infostealer written in C++.

    • 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

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • 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.

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Detected potential entity reuse from brand paypal.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks