General

  • Target

    eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78

  • Size

    728KB

  • Sample

    240706-pem49syarr

  • MD5

    47fb0e536d5599d7068e0d62b611e456

  • SHA1

    397498ba1ce9c44e6093bbb19ebbdc4719f89f06

  • SHA256

    eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78

  • SHA512

    b7496968ea6d1cfb472e8d401ff3fd5689917d96e6bfcedd599bbb19549790a5eceeef1f49090c32713d4d142392f2c033249c71a58d017741aaab3d7d25d24d

  • SSDEEP

    12288:l8XNY7Vs9aJB9l+wrHbnrtGBTqPU2QW5wr1/SVGBBzC5gSLuzt7M+ZLZVcDV:lOcVs9sBDzrHLr6iQ3iG2BLGXUDV

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .waqa

  • offline_id

    Lc3VTezPWbMhuVAQFzJUdeA68PwI7UDpc5aKHYt1

  • payload_url

    http://defgyma.com/dl/build2.exe

    http://cajgtus.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/abe121434ad837dd5bdd03878a14485820240531135509/34284d Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0875PsawqS

rsa_pubkey.plain

Targets

    • Target

      eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78

    • Size

      728KB

    • MD5

      47fb0e536d5599d7068e0d62b611e456

    • SHA1

      397498ba1ce9c44e6093bbb19ebbdc4719f89f06

    • SHA256

      eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78

    • SHA512

      b7496968ea6d1cfb472e8d401ff3fd5689917d96e6bfcedd599bbb19549790a5eceeef1f49090c32713d4d142392f2c033249c71a58d017741aaab3d7d25d24d

    • SSDEEP

      12288:l8XNY7Vs9aJB9l+wrHbnrtGBTqPU2QW5wr1/SVGBBzC5gSLuzt7M+ZLZVcDV:lOcVs9sBDzrHLr6iQ3iG2BLGXUDV

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies file permissions

    • Adds Run key to start application

    • 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 v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks