Overview

overview

10

Static

static

3

9aedfb95f7...c1.exe

windows7-x64

10

9aedfb95f7...c1.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    9aedfb95f7169cfc19238305393dd2b31eabb1169f8ec41e3decd9ecda5bccc1

  • Size

    996KB

  • Sample

    240531-jg4xxabe2w

  • MD5

    7bc116412e5131029d0b81b194090084

  • SHA1

    ed73934bfb0362226c2d3e17113c2a505716ca3a

  • SHA256

    9aedfb95f7169cfc19238305393dd2b31eabb1169f8ec41e3decd9ecda5bccc1

  • SHA512

    d664eb1eb17e40ccc37e3c7c2f3f570d36ee043803fe4a251ec7a1759b0fe412146f422e16fb9adbf43c99ec39c8c8f7cbf23df1f6a1b4275076d805307c57ea

  • SSDEEP

    24576:OmOOHW1ZNlw5K0I4UCSAlxERtrkgDIOFga1/DENAFwg:tOcSlwMRkskgM+goENAag

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://zfko.org/test1/get.php

Attributes
  • extension

    .bnrs

  • offline_id

    URlHYl9uzo6mBbGgVptZ7rlKxff0eZ2dOAMB2st1

  • payload_url

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

    http://zfko.org/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-e3y9ACpD1Y 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0494JIjdm

rsa_pubkey.plain

Targets

    • Target

      9aedfb95f7169cfc19238305393dd2b31eabb1169f8ec41e3decd9ecda5bccc1

    • Size

      996KB

    • MD5

      7bc116412e5131029d0b81b194090084

    • SHA1

      ed73934bfb0362226c2d3e17113c2a505716ca3a

    • SHA256

      9aedfb95f7169cfc19238305393dd2b31eabb1169f8ec41e3decd9ecda5bccc1

    • SHA512

      d664eb1eb17e40ccc37e3c7c2f3f570d36ee043803fe4a251ec7a1759b0fe412146f422e16fb9adbf43c99ec39c8c8f7cbf23df1f6a1b4275076d805307c57ea

    • SSDEEP

      24576:OmOOHW1ZNlw5K0I4UCSAlxERtrkgDIOFga1/DENAFwg:tOcSlwMRkskgM+goENAag

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Checks computer location settings

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

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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