Overview

overview

10

Static

static

3

file.exe

windows7-x64

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    683KB

  • Sample

    231024-v6j5ksah34

  • MD5

    54617b340cd2b0bb2e89ecb20f11ece1

  • SHA1

    e9d505621ee71e1dba49f14e45c6cbbb980f46a6

  • SHA256

    5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc

  • SHA512

    3e347604440c92b584c5f6c75830037255c5a6fe9b855410065ed5306e4dde3688974c90d83dd5c4338bed8169bd6df8c68329e36e5a198b7b276a797bfc6df1

  • SSDEEP

    12288:Jh2/R7Tye06Tgh0LYc0N68ProhMmreWWyGMftQE32aNcFmu2Pt7:JIRvyeChgYcUlWldGMftQE32a5uqt7

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .zpww

  • offline_id

    OnB5BCsUkG8OhWvHL3Y0tNlfgHqdMG4puQsBzvt1

  • payload_url

    http://colisumy.com/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-cfHHerNTF6 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: 0813JOsie

rsa_pubkey.plain

Targets

    • Target

      file.exe

    • Size

      683KB

    • MD5

      54617b340cd2b0bb2e89ecb20f11ece1

    • SHA1

      e9d505621ee71e1dba49f14e45c6cbbb980f46a6

    • SHA256

      5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc

    • SHA512

      3e347604440c92b584c5f6c75830037255c5a6fe9b855410065ed5306e4dde3688974c90d83dd5c4338bed8169bd6df8c68329e36e5a198b7b276a797bfc6df1

    • SSDEEP

      12288:Jh2/R7Tye06Tgh0LYc0N68ProhMmreWWyGMftQE32aNcFmu2Pt7:JIRvyeChgYcUlWldGMftQE32a5uqt7

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks