Overview

overview

10

Static

static

3

90a43c3c9e...18.exe

windows7-x64

10

90a43c3c9e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    90a43c3c9ec31a11ca3bed5e73338844_JaffaCakes118

  • Size

    764KB

  • Sample

    240603-fwbm5adh58

  • MD5

    90a43c3c9ec31a11ca3bed5e73338844

  • SHA1

    bbe0549e43373e5f6f8c5191074bf2baafff55f6

  • SHA256

    c68ff2b64fe8310e584f0680e62c1283df48af9d09be486feaa820b57090e79c

  • SHA512

    53836136f7eac16f6083f0b20035dd662adc4cf11762444bf11a19b53789fbae77011fd05ea55fb4b715ee4bf46026a96c160c3946bba51d02731fc3aaf71a65

  • SSDEEP

    12288:8lHDjsrL4TBGqwcLkLxDm1Xsn9JoewipkcjzYiZgj65kJmrCxgsa:TnXqwcgZm189JpkcjzY1jxJmuxgl

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://nokd.top/ydtftysdtyftysdfsdpen3/get.php

Attributes
  • extension

    .mado

  • offline_id

    8TaHEsq5r7cNJKbYdWseLEB2pW1FuZKoKjKg5tt1

  • payload_url

    http://nokd.top/files/penelop/updatewin1.exe

    http://nokd.top/files/penelop/updatewin2.exe

    http://nokd.top/files/penelop/updatewin.exe

    http://nokd.top/files/penelop/3.exe

    http://nokd.top/files/penelop/4.exe

    http://nokd.top/files/penelop/5.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-y7G4t6cSO4 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: 0217OIWojlj48

rsa_pubkey.plain

Targets

    • Target

      90a43c3c9ec31a11ca3bed5e73338844_JaffaCakes118

    • Size

      764KB

    • MD5

      90a43c3c9ec31a11ca3bed5e73338844

    • SHA1

      bbe0549e43373e5f6f8c5191074bf2baafff55f6

    • SHA256

      c68ff2b64fe8310e584f0680e62c1283df48af9d09be486feaa820b57090e79c

    • SHA512

      53836136f7eac16f6083f0b20035dd662adc4cf11762444bf11a19b53789fbae77011fd05ea55fb4b715ee4bf46026a96c160c3946bba51d02731fc3aaf71a65

    • SSDEEP

      12288:8lHDjsrL4TBGqwcLkLxDm1Xsn9JoewipkcjzYiZgj65kJmrCxgsa:TnXqwcgZm189JpkcjzY1jxJmuxgl

    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.

    • 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.

    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