General

  • Target

    3be341602597015165b89f6db84d564b7946f04494153beb49c26a33558700f8

  • Size

    665KB

  • Sample

    221129-n1s2zaab7y

  • MD5

    61b98d561011263318f5f9a3ba4f101a

  • SHA1

    f4735c23a90acd9f4fa71c0c1944ffb9f1cbf02c

  • SHA256

    3be341602597015165b89f6db84d564b7946f04494153beb49c26a33558700f8

  • SHA512

    0aab0026ea6eedea30d0eb3ab5ce44304107d1b4f18ecdeea5ee23c242485d823941f0e62475f68793f79d1843a9995eed3e7869ed69c3e3a0c4530e68e7dce2

  • SSDEEP

    12288:BYPd/yTPlCWjFEinTxJftNEeX/c+1DMVJG48Ln2ZwetfFSY:OPd/yTMWjHTDtlVDMWTD89FSY

Malware Config

Extracted

Family

djvu

C2

http://fresherlights.com/test1/get.php

Attributes
  • extension

    .kcvp

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://fresherlights.com/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-lj5qINGbTc 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: support@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0607Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      3be341602597015165b89f6db84d564b7946f04494153beb49c26a33558700f8

    • Size

      665KB

    • MD5

      61b98d561011263318f5f9a3ba4f101a

    • SHA1

      f4735c23a90acd9f4fa71c0c1944ffb9f1cbf02c

    • SHA256

      3be341602597015165b89f6db84d564b7946f04494153beb49c26a33558700f8

    • SHA512

      0aab0026ea6eedea30d0eb3ab5ce44304107d1b4f18ecdeea5ee23c242485d823941f0e62475f68793f79d1843a9995eed3e7869ed69c3e3a0c4530e68e7dce2

    • SSDEEP

      12288:BYPd/yTPlCWjFEinTxJftNEeX/c+1DMVJG48Ln2ZwetfFSY:OPd/yTMWjHTDtlVDMWTD89FSY

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks