General

  • Target

    0ce9aaa5aa82a31788d52d74b5337edc92cd2e99adde7e180e46e1db51de9bcb

  • Size

    201KB

  • Sample

    220925-hl3d7sdfe3

  • MD5

    0b3bbc491224b1c7867108f04f3e5279

  • SHA1

    f78e5d0c99e022e8b40ef37c24d7655e6e931c41

  • SHA256

    0ce9aaa5aa82a31788d52d74b5337edc92cd2e99adde7e180e46e1db51de9bcb

  • SHA512

    70fe8694e3840c4182f82b053aef5477106a859b19cbcba938a84e6ca1db31b3fa0ad365cad2d5e8f50742874b0bf7f31b79269f7866747ad33504ed2abca05a

  • SSDEEP

    3072:/DY+yL41vdAN5rkyZqsNsAK606zn4KLzFVdOBzrR/PkIXx:MLEdWkydsAd0UnZzFVd

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/lancer/get.php

Attributes
  • extension

    .ofww

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • payload_url

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

    http://winnlinne.com/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-EWKSsSJiVn 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: support@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0569Jhyjd

rsa_pubkey.plain

Targets

    • Target

      0ce9aaa5aa82a31788d52d74b5337edc92cd2e99adde7e180e46e1db51de9bcb

    • Size

      201KB

    • MD5

      0b3bbc491224b1c7867108f04f3e5279

    • SHA1

      f78e5d0c99e022e8b40ef37c24d7655e6e931c41

    • SHA256

      0ce9aaa5aa82a31788d52d74b5337edc92cd2e99adde7e180e46e1db51de9bcb

    • SHA512

      70fe8694e3840c4182f82b053aef5477106a859b19cbcba938a84e6ca1db31b3fa0ad365cad2d5e8f50742874b0bf7f31b79269f7866747ad33504ed2abca05a

    • SSDEEP

      3072:/DY+yL41vdAN5rkyZqsNsAK606zn4KLzFVdOBzrR/PkIXx:MLEdWkydsAd0UnZzFVd

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Accesses Microsoft Outlook profiles

    • 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

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Email Collection

1
T1114

Tasks