f41d045989a452a2776b9ddcd2230b4f6ab8727efa44be1b64dee4d44ddda635

General
Target

f41d045989a452a2776b9ddcd2230b4f6ab8727efa44be1b64dee4d44ddda635

Size

823KB

Sample

220521-tt4ssaddbn

Score
10 /10
MD5

271e1209c3fd1b4e589bd8d31b226f8c

SHA1

8fbf1882a9fe2d65815f1ad51d8ad47db8080e3e

SHA256

f41d045989a452a2776b9ddcd2230b4f6ab8727efa44be1b64dee4d44ddda635

SHA512

8090ccbe87dcf104dbb97ffc5f2af539c301b53fe850927afdcc23aaca6127a9acc1ffb51c66e9850201573db7d4da94e4b8713dc43908f867e30ab01b8f2ffe

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

f41d045989a452a2776b9ddcd2230b4f6ab8727efa44be1b64dee4d44ddda635

MD5

271e1209c3fd1b4e589bd8d31b226f8c

Filesize

823KB

Score
10/10
SHA1

8fbf1882a9fe2d65815f1ad51d8ad47db8080e3e

SHA256

f41d045989a452a2776b9ddcd2230b4f6ab8727efa44be1b64dee4d44ddda635

SHA512

8090ccbe87dcf104dbb97ffc5f2af539c301b53fe850927afdcc23aaca6127a9acc1ffb51c66e9850201573db7d4da94e4b8713dc43908f867e30ab01b8f2ffe

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