Overview

overview

10

Static

static

3ff6093dab...7a.exe

windows7_x64

10

3ff6093dab...7a.exe

windows10_x64

10

Sharing

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General

  • Target

    3ff6093dab1fcb8aea139a302fa81c7a

  • Size

    266KB

  • Sample

    211003-ydjj5afgcq

  • MD5

    3ff6093dab1fcb8aea139a302fa81c7a

  • SHA1

    841f9dd1865a74f2b0400f6e117f7e2e58af672a

  • SHA256

    7fc5854433b6ba7716cd9d6b4923869d716fa6580fae0b0c839e698966982b37

  • SHA512

    c28436b5e8429d22949fc0c92333413c1bcb902df5c1bf73bb4620099e666facfcf25a32f7ae3bac53d152a88a6563a896a191251178267dcda90fc6618b9085

Score
10/10
buranraccoonsmokeloadervidar10315ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4�&%>g� _��㢺vyu���a��e:6{k�1�b@�l�/�backdoordiscoveryevasionpersistenceransomwarespywarestealersuricatathemidatrojan

Malware Config

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: [email protected] 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: [email protected] Telegram @payransom500 Btc 500$ adress bc1qas8m3c2jv4uyurxacdt99ujj6gp6xt4tqeul8l Your personal ID: 238-B08-B12 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.

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/
rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

�&%>G� _��㢺vyU���A��E:6{k�1�b@�l�/�

Attributes
  • url4cnc

    �cb{K^�WXP�۸��fB:O�۽ԡMw<n'�>�+�d�?�]�e?/s����k�J��6�:������(

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

41.1

Botnet

1031

C2

https://mas.to/@bardak1ho

Attributes
  • profile_id

    1031

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: [email protected] 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: [email protected] Telegram @payransom500 Btc 500$ adress bc1qas8m3c2jv4uyurxacdt99ujj6gp6xt4tqeul8l Your personal ID: 31F-E28-1BF 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.

Targets

    • Target

      3ff6093dab1fcb8aea139a302fa81c7a

    • Size

      266KB

    • MD5

      3ff6093dab1fcb8aea139a302fa81c7a

    • SHA1

      841f9dd1865a74f2b0400f6e117f7e2e58af672a

    • SHA256

      7fc5854433b6ba7716cd9d6b4923869d716fa6580fae0b0c839e698966982b37

    • SHA512

      c28436b5e8429d22949fc0c92333413c1bcb902df5c1bf73bb4620099e666facfcf25a32f7ae3bac53d152a88a6563a896a191251178267dcda90fc6618b9085

    Score
    10/10
    buranraccoonsmokeloadervidar10315ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4�&%>g� _��㢺vyu���a��e:6{k�1�b@�l�/�backdoordiscoveryevasionpersistenceransomwarespywarestealersuricatathemidatrojan

    • Buran

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

      ransomwareburan

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

      stealerraccoon

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • 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

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

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata

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

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

      suricata

    • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

      suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

      suricata

    • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

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

      evasion

    • Vidar Stealer

      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

    • Reads user/profile data of local email clients

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

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks