8fff8880ef012ea457558b0b23d030d1cc9212e61c1dbbe33b8d552266fb00f4

General
Target

8fff8880ef012ea457558b0b23d030d1cc9212e61c1dbbe33b8d552266fb00f4

Size

800KB

Sample

220520-slrmtahbg5

Score
10 /10
MD5

e296ac3c5be15c3405fa68ab77b73654

SHA1

cf4d3c4b02e9e9ec93cc2793bc9c8986d333941d

SHA256

8fff8880ef012ea457558b0b23d030d1cc9212e61c1dbbe33b8d552266fb00f4

SHA512

4b1d76195278c8ce66797d645f214a6b8ab251717c8e6e18bc2560da06c61e85450f1b9d6543fadedbc07d2c5f84937e490c419ed5868f4c1cf964d3c48f7cc1

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

8fff8880ef012ea457558b0b23d030d1cc9212e61c1dbbe33b8d552266fb00f4

MD5

e296ac3c5be15c3405fa68ab77b73654

Filesize

800KB

Score
10/10
SHA1

cf4d3c4b02e9e9ec93cc2793bc9c8986d333941d

SHA256

8fff8880ef012ea457558b0b23d030d1cc9212e61c1dbbe33b8d552266fb00f4

SHA512

4b1d76195278c8ce66797d645f214a6b8ab251717c8e6e18bc2560da06c61e85450f1b9d6543fadedbc07d2c5f84937e490c419ed5868f4c1cf964d3c48f7cc1

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