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General

  • Target

    515616d7ba59323f90090e32967f814c4a9627cf25634aa5977ef23029f0f367

  • Size

    733KB

  • Sample

    221217-ya2ljahc96

  • MD5

    7a3e65df807ce79ab0e4f5ad5b47475c

  • SHA1

    bbbc7824fd3f9e93027d6f90d54593fd58df9ede

  • SHA256

    515616d7ba59323f90090e32967f814c4a9627cf25634aa5977ef23029f0f367

  • SHA512

    6e91ec2b53d7dda3e9a12ef40a410524b28a66f5aa73baee2f3423180d62b877eca1b73104bd7aa74e5466065f51fae8df3a8085bb211943e80035305cf7ccf8

  • SSDEEP

    12288:ZVXKrTe7ZodqsGQTQKjiC351wDVXp1zOmL0kATBSMJmZJMSeO:Sel6qhQT4Cp1wDVXp8SaEEiJb

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .btnw

  • offline_id

    8p2Go5ZmkbFk0DF2oJ6E8vGEogpBqqaGCWjto1t1

  • payload_url

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

    http://abibiall.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-Q5EougBEbU 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: 0617JOsie

rsa_pubkey.plain

Targets

    • Target

      515616d7ba59323f90090e32967f814c4a9627cf25634aa5977ef23029f0f367

    • Size

      733KB

    • MD5

      7a3e65df807ce79ab0e4f5ad5b47475c

    • SHA1

      bbbc7824fd3f9e93027d6f90d54593fd58df9ede

    • SHA256

      515616d7ba59323f90090e32967f814c4a9627cf25634aa5977ef23029f0f367

    • SHA512

      6e91ec2b53d7dda3e9a12ef40a410524b28a66f5aa73baee2f3423180d62b877eca1b73104bd7aa74e5466065f51fae8df3a8085bb211943e80035305cf7ccf8

    • SSDEEP

      12288:ZVXKrTe7ZodqsGQTQKjiC351wDVXp1zOmL0kATBSMJmZJMSeO:Sel6qhQT4Cp1wDVXp8SaEEiJb

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 Enterprise v6

Tasks