431e3ec0a8cd90070d253b6a5492277b7227e27fe0125f17b1372e64500cb0fc

General
Target

431e3ec0a8cd90070d253b6a5492277b7227e27fe0125f17b1372e64500cb0fc

Size

823KB

Sample

220521-rckmgacgej

Score
10 /10
MD5

efe2ad09776d659483bb35bb1390ce6e

SHA1

117f09f55dadecd3d37a80de8611bb6f641e2d4e

SHA256

431e3ec0a8cd90070d253b6a5492277b7227e27fe0125f17b1372e64500cb0fc

SHA512

e8ea1dd4d88de4bc65fd42095a2423cb063c4e97dffec2a9f3f28efdc3e7c6d5881dca1a5ff527d2db308d8a764d33d896eb801f3a45787765df218d0c77bebf

Malware Config

Extracted

Family djvu
C2

http://ugll.org/fhsgtsspen6/get.php
Attributes
extension
.fdcv
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

431e3ec0a8cd90070d253b6a5492277b7227e27fe0125f17b1372e64500cb0fc

MD5

efe2ad09776d659483bb35bb1390ce6e

Filesize

823KB

Score
10/10
SHA1

117f09f55dadecd3d37a80de8611bb6f641e2d4e

SHA256

431e3ec0a8cd90070d253b6a5492277b7227e27fe0125f17b1372e64500cb0fc

SHA512

e8ea1dd4d88de4bc65fd42095a2423cb063c4e97dffec2a9f3f28efdc3e7c6d5881dca1a5ff527d2db308d8a764d33d896eb801f3a45787765df218d0c77bebf

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