General

  • Target

    db2ef30e8f821c8f00456941f5944849.exe

  • Size

    286KB

  • Sample

    211109-z4fftschfp

  • MD5

    db2ef30e8f821c8f00456941f5944849

  • SHA1

    01a08a69f1e8e6d822ece577a9ebe84a0c7f5f60

  • SHA256

    433cf9125a44e304eca2c5cf3bfe2af0b1deafd1c5e8d13d559e1bac9de711b3

  • SHA512

    7e8a3b0a1c57b3e7e8b6bff850d5cd28bbabca63ba90bca0f7a502e3964de641004388afb1271a01e7bc34ba66d6299e487107869c4bc224bf36d6fb900e72ee

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://nalirou70.top/

http://xacokuo80.top/

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

new3

C2

93.115.20.139:28978

Extracted

Family

redline

Botnet

SuperStar

C2

185.215.113.29:36224

Extracted

Family

icedid

Botnet

1217670233

C2

lakogrefop.rest

hangetilin.top

follytresh.co

zojecurf.store

Attributes
  • auth_var

    14

  • url_path

    /posts/

Extracted

Family

raccoon

Botnet

8dec62c1db2959619dca43e02fa46ad7bd606400

Attributes
  • url4cnc

    http://telegin.top/capibar

    http://ttmirror.top/capibar

    http://teletele.top/capibar

    http://telegalive.top/capibar

    http://toptelete.top/capibar

    http://telegraf.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

1132044836

C2

185.183.32.184:80

Extracted

Family

djvu

C2

http://pqkl.org/lancer/get.php

Attributes
  • extension

    .irfk

  • offline_id

    7HKlLI6NrOQGMaTs5PqjvV1UcZ3VOcIeyFiH3Wt1

  • payload_url

    http://kotob.top/dl/build2.exe

    http://pqkl.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-dFmA3YqXzs Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: manager@mailtemp.ch Reserve e-mail address to contact us: helprestoremanager@airmail.cc Your personal ID: 0346uSifke

rsa_pubkey.plain

Extracted

Family

vidar

Version

48.1

Botnet

706

C2

https://koyu.space/@rspich

Attributes
  • profile_id

    706

Targets

    • Target

      db2ef30e8f821c8f00456941f5944849.exe

    • Size

      286KB

    • MD5

      db2ef30e8f821c8f00456941f5944849

    • SHA1

      01a08a69f1e8e6d822ece577a9ebe84a0c7f5f60

    • SHA256

      433cf9125a44e304eca2c5cf3bfe2af0b1deafd1c5e8d13d559e1bac9de711b3

    • SHA512

      7e8a3b0a1c57b3e7e8b6bff850d5cd28bbabca63ba90bca0f7a502e3964de641004388afb1271a01e7bc34ba66d6299e487107869c4bc224bf36d6fb900e72ee

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks