General

  • Target

    fda7efe159818020483ea176cd15bcb0.exe

  • Size

    1.2MB

  • Sample

    231114-nt92xaah27

  • MD5

    fda7efe159818020483ea176cd15bcb0

  • SHA1

    6971a6a05b1f2b7c14ec31731c87d86285a0da47

  • SHA256

    1114fd06909159c440fadc3bdb3ce6a5fc1c2ac3bcac48dc3a6b4402eb245fcf

  • SHA512

    33394ca5df0f50991847718e8ac82f2995d261786a59941c8594aea7c6182b1b0732da861b9622c2cdbc5e996f1f0d169aaa9874363ea37c2ed038a492171a03

  • SSDEEP

    24576:ayK9Hsbp4uOqaRtBpXsQs9bedbzaPwZJkIH5lvdcwIB2WH64Uuqc:hesbK3tHe9bkrD9cNkWH6Hu

Malware Config

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

pixelfresh

C2

194.49.94.11:80

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

      fda7efe159818020483ea176cd15bcb0.exe

    • Size

      1.2MB

    • MD5

      fda7efe159818020483ea176cd15bcb0

    • SHA1

      6971a6a05b1f2b7c14ec31731c87d86285a0da47

    • SHA256

      1114fd06909159c440fadc3bdb3ce6a5fc1c2ac3bcac48dc3a6b4402eb245fcf

    • SHA512

      33394ca5df0f50991847718e8ac82f2995d261786a59941c8594aea7c6182b1b0732da861b9622c2cdbc5e996f1f0d169aaa9874363ea37c2ed038a492171a03

    • SSDEEP

      24576:ayK9Hsbp4uOqaRtBpXsQs9bedbzaPwZJkIH5lvdcwIB2WH64Uuqc:hesbK3tHe9bkrD9cNkWH6Hu

    • Detect Mystic stealer payload

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • 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

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks