General

  • Target

    NEAS.3f3f671021a0029d6a83071f9f04ac3990e26ea8b07a42a76f3400b7d2c24198exe_JC.exe

  • Size

    974KB

  • Sample

    231019-wfanwshg6x

  • MD5

    d54bfbd18c4cc853111fb3f3782be15f

  • SHA1

    951ca30ff95c986f0f4f5ac38a84e2855a874511

  • SHA256

    3f3f671021a0029d6a83071f9f04ac3990e26ea8b07a42a76f3400b7d2c24198

  • SHA512

    a2150dd62e8ff0fb857672820fb5a0fe1552fa81d5cba121ed7245ebec3ddf5bde51184c4760118691c1a81ecb28546d7ea4224a4f4e84e90f687e40faead3df

  • SSDEEP

    24576:jyX3b7krvcqxaoJtab1bUQTqqVwU0aHEyN686ik:2H/krvvNJta9UANw3GEyRT

Malware Config

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

pixelscloud2.0

C2

85.209.176.128:80

Extracted

Family

redline

Botnet

5141679758_99

C2

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

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

Extracted

Family

redline

Botnet

tests2

C2

185.216.70.238:37515

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

Targets

    • Target

      NEAS.3f3f671021a0029d6a83071f9f04ac3990e26ea8b07a42a76f3400b7d2c24198exe_JC.exe

    • Size

      974KB

    • MD5

      d54bfbd18c4cc853111fb3f3782be15f

    • SHA1

      951ca30ff95c986f0f4f5ac38a84e2855a874511

    • SHA256

      3f3f671021a0029d6a83071f9f04ac3990e26ea8b07a42a76f3400b7d2c24198

    • SHA512

      a2150dd62e8ff0fb857672820fb5a0fe1552fa81d5cba121ed7245ebec3ddf5bde51184c4760118691c1a81ecb28546d7ea4224a4f4e84e90f687e40faead3df

    • SSDEEP

      24576:jyX3b7krvcqxaoJtab1bUQTqqVwU0aHEyN686ik:2H/krvvNJta9UANw3GEyRT

    • 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.

    • Glupteba

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

    • Glupteba payload

    • 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.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • .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.

    • Legitimate hosting services abused for malware hosting/C2

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks