648b3e85427d8a0db9bb4b166994e7c02733323d4fd3fc1c129695c311ca77e9

General
Target

648b3e85427d8a0db9bb4b166994e7c02733323d4fd3fc1c129695c311ca77e9

Size

822KB

Sample

220521-e8d4cadafk

Score
10 /10
MD5

20fcfc1147939478ac9b6ec21295744d

SHA1

8fca03f042c0fa526bec7133dee8e4c1fd511b03

SHA256

648b3e85427d8a0db9bb4b166994e7c02733323d4fd3fc1c129695c311ca77e9

SHA512

3281b84f1ba3c1c49fc17a2a9336c9a19cd6c89a4bf615c94a88a94309986a1070fa338b37245e178a145cb7f355863be4339ee9200d0d427ee9c95ded2b5b3c

Malware Config

Extracted

Family djvu
C2

http://ugll.org/test1/get.php
Attributes
extension
.dfwe
offline_id
eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1
payload_url
http://zerit.top/dl/build2.exe
http://ugll.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-j3AdKrnQie 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: admin@helpdata.top Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0480JIjdm
rsa_pubkey.plain

Extracted

Family vidar
Version 52.1
Botnet 517
C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312
Attributes
profile_id
517
Targets
Target

648b3e85427d8a0db9bb4b166994e7c02733323d4fd3fc1c129695c311ca77e9

MD5

20fcfc1147939478ac9b6ec21295744d

Filesize

822KB

Score
10/10
SHA1

8fca03f042c0fa526bec7133dee8e4c1fd511b03

SHA256

648b3e85427d8a0db9bb4b166994e7c02733323d4fd3fc1c129695c311ca77e9

SHA512

3281b84f1ba3c1c49fc17a2a9336c9a19cd6c89a4bf615c94a88a94309986a1070fa338b37245e178a145cb7f355863be4339ee9200d0d427ee9c95ded2b5b3c

Tags

Signatures

  • Detected Djvu ransomware

  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

    Tags

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

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

    Description

    suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Tags

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    Description

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    Tags

  • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    Description

    suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    Tags

  • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    Description

    suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    Tags

  • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    Description

    suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    Tags

  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification

  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local SystemCredentials in Files

  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files

  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry

  • Checks installed software on the system

    Description

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

    Tags

    TTPs

    Query Registry

  • Looks up external IP address via web service

    Description

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

  • Suspicious use of SetThreadContext

Related Tasks

behavioral1
MITRE ATT&CK Matrix
Collection
Command and Control
    Credential Access
    Defense Evasion
    Discovery
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Persistence
              Privilege Escalation