General

  • Target

    1981cd5a32034f8e074cbaf517a70632b7be968afcb14d74069cc1c3e649adf3

  • Size

    833KB

  • Sample

    211201-qy11xaffa2

  • MD5

    9602ee5d18a8408b86eff85091a5219f

  • SHA1

    7ee05a0f925f40250edc2ff3140f88d2fd41513f

  • SHA256

    1981cd5a32034f8e074cbaf517a70632b7be968afcb14d74069cc1c3e649adf3

  • SHA512

    f51e9945bf6df6f020da27d8816dcb12d2a637237062f2e62381df8424c4bc326321d43f32be929138e7e83961f2107edd75fa77d2c2f223bbaac09c6a7aedfb

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

      1981cd5a32034f8e074cbaf517a70632b7be968afcb14d74069cc1c3e649adf3

    • Size

      833KB

    • MD5

      9602ee5d18a8408b86eff85091a5219f

    • SHA1

      7ee05a0f925f40250edc2ff3140f88d2fd41513f

    • SHA256

      1981cd5a32034f8e074cbaf517a70632b7be968afcb14d74069cc1c3e649adf3

    • SHA512

      f51e9945bf6df6f020da27d8816dcb12d2a637237062f2e62381df8424c4bc326321d43f32be929138e7e83961f2107edd75fa77d2c2f223bbaac09c6a7aedfb

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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