General

  • Target

    d520edc59c5aee94806782d012efa7e0f905e90ce4e177f14cd612e7b8bb17ba.exe

  • Size

    2.6MB

  • Sample

    210725-315lthfb9a

  • MD5

    c061f6c696cde2214e0425839ae84f84

  • SHA1

    907c23a4e0aed6b887e0f7c8b16e1b4f82d1f340

  • SHA256

    d520edc59c5aee94806782d012efa7e0f905e90ce4e177f14cd612e7b8bb17ba

  • SHA512

    c0dc8dc9e5569d0db1ac6c9ac084599111f16b60cf39c230c791327304c5452df6036dbc9f0564c05a283ba369cefb87daad3714029caa4a021b94e6d88eabd6

Malware Config

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

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

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

vidar

Version

39.7

Botnet

903

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    903

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: udacha123@mail2tor.com and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: udacha123@mail2tor.com telegram @udacha123yes 100$=24 hour Attention !!! in 24 hours the price will increase 3 times !!! have time to pay Your personal ID: 8D9-1A6-BD4 Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

udacha123@mail2tor.com

Extracted

Family

redline

Botnet

Ani

C2

yoshelona.xyz:80

Extracted

Family

redline

Botnet

723

C2

qumaranero.xyz:80

Extracted

Family

vidar

Version

39.7

Botnet

865

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    865

Targets

    • Target

      d520edc59c5aee94806782d012efa7e0f905e90ce4e177f14cd612e7b8bb17ba.exe

    • Size

      2.6MB

    • MD5

      c061f6c696cde2214e0425839ae84f84

    • SHA1

      907c23a4e0aed6b887e0f7c8b16e1b4f82d1f340

    • SHA256

      d520edc59c5aee94806782d012efa7e0f905e90ce4e177f14cd612e7b8bb17ba

    • SHA512

      c0dc8dc9e5569d0db1ac6c9ac084599111f16b60cf39c230c791327304c5452df6036dbc9f0564c05a283ba369cefb87daad3714029caa4a021b94e6d88eabd6

    • Buran

      Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    • Glupteba

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

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)

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

    • 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/Megumin/Oski Stealer Data Exfil

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

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

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

File Deletion

2
T1107

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks