983b94b00fb4be653ba53376375b4522abe0493f241c42985b3c13067a80caf5

General
Target

983b94b00fb4be653ba53376375b4522abe0493f241c42985b3c13067a80caf5

Size

800KB

Sample

220520-t6nbkadddr

Score
10 /10
MD5

a75aeaebf188b37cdd7b2ffc0a823705

SHA1

97c6ef0c3dac94ef37bb825eece6b6960b3b25e8

SHA256

983b94b00fb4be653ba53376375b4522abe0493f241c42985b3c13067a80caf5

SHA512

23674ac03d9a70b8bc4f9f766d9598510ed029237cef1393b24cdcb3964a8b1f1e68d5e6f44dd87ded2a0bd5feb3012efe536b3b222be0bae1868b539f07bb8f

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
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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

983b94b00fb4be653ba53376375b4522abe0493f241c42985b3c13067a80caf5

MD5

a75aeaebf188b37cdd7b2ffc0a823705

Filesize

800KB

Score
10/10
SHA1

97c6ef0c3dac94ef37bb825eece6b6960b3b25e8

SHA256

983b94b00fb4be653ba53376375b4522abe0493f241c42985b3c13067a80caf5

SHA512

23674ac03d9a70b8bc4f9f766d9598510ed029237cef1393b24cdcb3964a8b1f1e68d5e6f44dd87ded2a0bd5feb3012efe536b3b222be0bae1868b539f07bb8f

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

  • Checks computer location settings

    Description

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

    TTPs

    Query RegistrySystem Information Discovery

  • 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