General

  • Target

    6de2e543d0546cdd0d2eba0e41dc7e41838812ecd158914c0cad51ec28d651c0

  • Size

    799KB

  • Sample

    211204-g15bnsaeaq

  • MD5

    6e3813635b018f364f4343273689c57a

  • SHA1

    a406993e10b9f65f9e78b1c89a545d6934304568

  • SHA256

    6de2e543d0546cdd0d2eba0e41dc7e41838812ecd158914c0cad51ec28d651c0

  • SHA512

    8139fb23f2df108d7cfd184db2fbf4dfcd7424f4f71a3d4c4b0d5acbe489256000a237d4c672b0f686d9d322fab74988700224c45e03b81825a14334909ec1e5

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/lancer/get.php

Attributes
  • extension

    .yqal

  • offline_id

    K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1

  • payload_url

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

    http://tzgl.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-rIyEiK9ekc 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: manager@mailtemp.ch Reserve e-mail address to contact us: helprestoremanager@airmail.cc Your personal ID: 0356gSd743d

rsa_pubkey.plain

Targets

    • Target

      6de2e543d0546cdd0d2eba0e41dc7e41838812ecd158914c0cad51ec28d651c0

    • Size

      799KB

    • MD5

      6e3813635b018f364f4343273689c57a

    • SHA1

      a406993e10b9f65f9e78b1c89a545d6934304568

    • SHA256

      6de2e543d0546cdd0d2eba0e41dc7e41838812ecd158914c0cad51ec28d651c0

    • SHA512

      8139fb23f2df108d7cfd184db2fbf4dfcd7424f4f71a3d4c4b0d5acbe489256000a237d4c672b0f686d9d322fab74988700224c45e03b81825a14334909ec1e5

    • 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

    • 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

System Information Discovery

1
T1082

Tasks