General

  • Target

    94bc57c45f40bcff61c01653a7c7f0b20e82a2dd9ce3fee9187a4d341b4e7c13

  • Size

    800KB

  • Sample

    220520-xvvs2scec3

  • MD5

    8f74eab004ff0a59da2a9f90903b556e

  • SHA1

    f88e69f4e663ac1770d7c641fc4690496b1c8695

  • SHA256

    94bc57c45f40bcff61c01653a7c7f0b20e82a2dd9ce3fee9187a4d341b4e7c13

  • SHA512

    920e5db7d647503e1490010c434bab9b57f7e0053a1754b743c54abb3b7dc38b60bd85106f21bf1c8d993c2791daf469dc8c5754f98bf2b49ba805e823af58dd

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/fhsgtsspen6/get.php

Attributes
  • extension

    .fdcv

  • offline_id

    eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1

  • payload_url

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

    http://ugll.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-j3AdKrnQie 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: admin@helpdata.top Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0483JIjdm

rsa_pubkey.plain

Targets

    • Target

      94bc57c45f40bcff61c01653a7c7f0b20e82a2dd9ce3fee9187a4d341b4e7c13

    • Size

      800KB

    • MD5

      8f74eab004ff0a59da2a9f90903b556e

    • SHA1

      f88e69f4e663ac1770d7c641fc4690496b1c8695

    • SHA256

      94bc57c45f40bcff61c01653a7c7f0b20e82a2dd9ce3fee9187a4d341b4e7c13

    • SHA512

      920e5db7d647503e1490010c434bab9b57f7e0053a1754b743c54abb3b7dc38b60bd85106f21bf1c8d993c2791daf469dc8c5754f98bf2b49ba805e823af58dd

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    • Checks computer location settings

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

    • 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 v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks