General

  • Target

    d5c3807cc178119bb7c554c87343b1dc45843bb51f6afbc44a50b5300e19d885

  • Size

    339KB

  • Sample

    211029-vj61tsaddj

  • MD5

    5ac4940be8b636e1f4f79f6e92d92983

  • SHA1

    999fbd2ce7a8ae5401d60e442301ff264ae8e3d7

  • SHA256

    d5c3807cc178119bb7c554c87343b1dc45843bb51f6afbc44a50b5300e19d885

  • SHA512

    2a12a73b1c874bca253fb1620c0a82fd551cefd80d9f93f6190469deaf82372e9eb5cbfe4db00e3c9ec7586e05700b1530ec44b1c4bea5d746beeb77c6d70454

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xacokuo8.top/

http://hajezey1.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/

http://193.56.146.214/

https://193.56.146.214/

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

Extracted

Family

redline

C2

45.147.231.161:38637

45.11.19.86:33606

Extracted

Family

vidar

Version

41.6

Botnet

754

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    754

Extracted

Family

amadey

Version

2.70

C2

185.215.113.45/g4MbvE/index.php

Extracted

Family

raccoon

Botnet

68e2d75238f7c69859792d206401b6bde2b2515c

Attributes
  • url4cnc

    http://telegalive.top/agrybirdsgamerept

    http://toptelete.top/agrybirdsgamerept

    http://telegraf.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

b176c5fe76fc027de7ad67f52792266419904252

Attributes
  • url4cnc

    http://telegalive.top/hoverpattern31

    http://toptelete.top/hoverpattern31

    http://telegraf.top/hoverpattern31

    https://t.me/hoverpattern31

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

9b47742e621d3b0f1b0b79db6ed26e2c33328c05

Attributes
  • url4cnc

    http://telegalive.top/ustavshiy1

    http://toptelete.top/ustavshiy1

    http://telegraf.top/ustavshiy1

    https://t.me/ustavshiy1

rc4.plain
rc4.plain

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .rivd

  • offline_id

    WbO7bkwHxaepEmevfYYUBNgcxNJGpd7hoNKokRt1

  • payload_url

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

    http://rlrz.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-CcXGxzXf71 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0342gSd743d

rsa_pubkey.plain

Extracted

Family

vidar

Version

41.6

Botnet

936

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    936

Extracted

Family

vidar

Version

41.6

Botnet

706

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    706

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Targets

    • Target

      d5c3807cc178119bb7c554c87343b1dc45843bb51f6afbc44a50b5300e19d885

    • Size

      339KB

    • MD5

      5ac4940be8b636e1f4f79f6e92d92983

    • SHA1

      999fbd2ce7a8ae5401d60e442301ff264ae8e3d7

    • SHA256

      d5c3807cc178119bb7c554c87343b1dc45843bb51f6afbc44a50b5300e19d885

    • SHA512

      2a12a73b1c874bca253fb1620c0a82fd551cefd80d9f93f6190469deaf82372e9eb5cbfe4db00e3c9ec7586e05700b1530ec44b1c4bea5d746beeb77c6d70454

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Turns off Windows Defender SpyNet reporting

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • 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 Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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

    • Nirsoft

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

3
T1089

Modify Registry

5
T1112

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks