General

  • Target

    ee7232883f14ea8e02751218805d313b2f57e686f7abd5ea855f2b65cf5e6cf7

  • Size

    797KB

  • Sample

    211204-nbm5esahcp

  • MD5

    3bd2860ed63fe32da31ab9c3a8c3498c

  • SHA1

    5cfdb07bd9820ebc9731e348133774b311405509

  • SHA256

    ee7232883f14ea8e02751218805d313b2f57e686f7abd5ea855f2b65cf5e6cf7

  • SHA512

    9a9ea261733566d6ac9c498878e3ab192fb8382bf5b4129dc5e116578eb3177fe0a2944d0511db57fa02ffb24ff576e5defbdd80a43ff68d46c88ef72d323f62

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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0356gSd743d

rsa_pubkey.plain

Targets

    • Target

      ee7232883f14ea8e02751218805d313b2f57e686f7abd5ea855f2b65cf5e6cf7

    • Size

      797KB

    • MD5

      3bd2860ed63fe32da31ab9c3a8c3498c

    • SHA1

      5cfdb07bd9820ebc9731e348133774b311405509

    • SHA256

      ee7232883f14ea8e02751218805d313b2f57e686f7abd5ea855f2b65cf5e6cf7

    • SHA512

      9a9ea261733566d6ac9c498878e3ab192fb8382bf5b4129dc5e116578eb3177fe0a2944d0511db57fa02ffb24ff576e5defbdd80a43ff68d46c88ef72d323f62

    • 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