Overview

overview

10

Static

static

1

f9e39fda7e...76.exe

windows7-x64

10

Sharing

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General

  • Target

    f9e39fda7e23f3da023a95b72fb59924d487a8594c34291e4b0ba1873bff3076.zip

  • Size

    657KB

  • Sample

    230324-znsq8abd9t

  • MD5

    fb6ad6639e74f32ca7535a326bcd3dba

  • SHA1

    affd4553aa10e060315dcfe983079f6ed2b2db86

  • SHA256

    0af5af770da9ac8d7758b07ac66ccb023bf3878b5cfc69998f3ee97039e24368

  • SHA512

    0917859951244f10eb008ad67ea476978abbebe7b1878f6ac22249700d72ee2f5a1495c37ef6203e8a1135e6198e9df032d6ee64be563e7985f95f5c8514bbb6

  • SSDEEP

    12288:cwt+zC/QUBkdRnPTfVreioJIRWxzA69z5R5jMZ3FvaqmOERuyI3ToaBe:GzC2dRPzVroJjxzA6rjY3ysyGT8

Score
10/10
djvuvidardiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tycx

  • offline_id

    Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1

  • payload_url

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

    http://zexeq.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-f8UEvx4T0A 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@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0670IsjO

rsa_pubkey.plain

Targets

    • Target

      f9e39fda7e23f3da023a95b72fb59924d487a8594c34291e4b0ba1873bff3076.exe

    • Size

      869KB

    • MD5

      ffdab25bdf8f3900e2541b47317cf1b9

    • SHA1

      a594588b07d67da39b20fad718c6fce6d75027f6

    • SHA256

      f9e39fda7e23f3da023a95b72fb59924d487a8594c34291e4b0ba1873bff3076

    • SHA512

      dd77246b6b5f5882fe98c6f892937499a4cbdb9c8fa7b8bf78f62ea94c0c29a6e8f3f66486cbc2ea49c3485a2153370d6779789b8b645e026ec4196bee0cc675

    • SSDEEP

      12288:cXmhIaODep4dsdfqXOu64RkHKkCIqG/2up952jPiexJTZE0Op8l2zZ:v/bpjdkBR8KfIq82uR2jPie3ZLG8l2d

    Score
    10/10
    djvuvidardiscoverypersistenceransomwarestealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks