Resubmissions

30/10/2023, 17:45

231030-wb11aaed4t 10

30/10/2023, 15:59

231030-tfa9bafh46 10

General

  • Target

    wextract.mui.exe

  • Size

    1.0MB

  • Sample

    231030-tfa9bafh46

  • MD5

    852147aa49c268ccc613a2701b80fb10

  • SHA1

    40d77655c51f60f0dbcdbde45d9f6ab7c8356173

  • SHA256

    5b7083957796aeacb4ead9e5160d8fb7362c7a2d72318197088caf0207f20532

  • SHA512

    1e4627e7e499aa533d56a58c1b52a391e9356e20dbb5c277e56d0ee9e23724caad1249b0299dd891ffd2d6f8f8a5ff96c6f576d9bb405d063014f669345ac5e7

  • SSDEEP

    24576:Fyi8G0VkFFklfl2yYRlv4w4X3YJrk0/CMg2:gi87kFCqyYRlvQ3YJr

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

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

kinza

C2

77.91.124.86:19084

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

@ytlogsbot

C2

194.169.175.235:42691

Extracted

Family

redline

Botnet

pixelnew

C2

194.49.94.11:80

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

6a6a005b9aa778f606280c5fa24ae595

C2

http://195.123.218.98:80

http://31.192.23

Attributes
  • user_agent

    SunShineMoonLight

xor.plain

Targets

    • Target

      wextract.mui.exe

    • Size

      1.0MB

    • MD5

      852147aa49c268ccc613a2701b80fb10

    • SHA1

      40d77655c51f60f0dbcdbde45d9f6ab7c8356173

    • SHA256

      5b7083957796aeacb4ead9e5160d8fb7362c7a2d72318197088caf0207f20532

    • SHA512

      1e4627e7e499aa533d56a58c1b52a391e9356e20dbb5c277e56d0ee9e23724caad1249b0299dd891ffd2d6f8f8a5ff96c6f576d9bb405d063014f669345ac5e7

    • SSDEEP

      24576:Fyi8G0VkFFklfl2yYRlv4w4X3YJrk0/CMg2:gi87kFCqyYRlvQ3YJr

    • 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.

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer payload

    • 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.

    • 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Detected potential entity reuse from brand paypal.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks