General

  • Target

    717f93e8fa68ad6f78a5b284117ae3a20a9335068716d62803cd290e82456c06

  • Size

    814KB

  • Sample

    211125-tn2fgafgaq

  • MD5

    1767e46adc575177bf7bbbf05956a1ce

  • SHA1

    0d0616408851209b939c067e7fcda090deffad7c

  • SHA256

    717f93e8fa68ad6f78a5b284117ae3a20a9335068716d62803cd290e82456c06

  • SHA512

    3c6f042d31d0b813f25a3b345b26377002d9a37f35cb625a5da5aa82a64938d405f9354b9a46a1c8628b01175447db00575cbc3223a2c7f81aa38456741d72ff

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .robm

  • offline_id

    Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1

  • 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-Tjb0YqckGX 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: 0354gSd743d

rsa_pubkey.plain

Targets

    • Target

      717f93e8fa68ad6f78a5b284117ae3a20a9335068716d62803cd290e82456c06

    • Size

      814KB

    • MD5

      1767e46adc575177bf7bbbf05956a1ce

    • SHA1

      0d0616408851209b939c067e7fcda090deffad7c

    • SHA256

      717f93e8fa68ad6f78a5b284117ae3a20a9335068716d62803cd290e82456c06

    • SHA512

      3c6f042d31d0b813f25a3b345b26377002d9a37f35cb625a5da5aa82a64938d405f9354b9a46a1c8628b01175447db00575cbc3223a2c7f81aa38456741d72ff

    • 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