General

  • Target

    4254980fa3fa11487087f6ff8cd480ab8f22c7d85a8ac5759119f28c9e9bc124

  • Size

    238KB

  • Sample

    231208-t23kpabahk

  • MD5

    76c1e36d3b39338ea1757dfab1ea3cc8

  • SHA1

    08884dbfe52986b407af311a349e3e45345242e9

  • SHA256

    4254980fa3fa11487087f6ff8cd480ab8f22c7d85a8ac5759119f28c9e9bc124

  • SHA512

    f4b7a858f9685cd23a9e4c509f88a0cb7f262609c8fc50930455827d8b2576dd40492e2cfaf247cf5f7b1b3342aa023544b022431c09911f3d1a5bc0b1a30832

  • SSDEEP

    3072:uf0S/UGn9oZ1/yMjl+ACawid5D/dR9m3oGiWHqTCK:NsU7Z16MgcHdFJm3BHqT

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .nbzi

  • offline_id

    csCsb6cUvy0iMa6NgGCGH0hSfXQlGjZVEmFVkgt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://zexeq.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-8dGJ2tqlOd 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: 0832ASdw

rsa_pubkey.plain

Targets

    • Target

      4254980fa3fa11487087f6ff8cd480ab8f22c7d85a8ac5759119f28c9e9bc124

    • Size

      238KB

    • MD5

      76c1e36d3b39338ea1757dfab1ea3cc8

    • SHA1

      08884dbfe52986b407af311a349e3e45345242e9

    • SHA256

      4254980fa3fa11487087f6ff8cd480ab8f22c7d85a8ac5759119f28c9e9bc124

    • SHA512

      f4b7a858f9685cd23a9e4c509f88a0cb7f262609c8fc50930455827d8b2576dd40492e2cfaf247cf5f7b1b3342aa023544b022431c09911f3d1a5bc0b1a30832

    • SSDEEP

      3072:uf0S/UGn9oZ1/yMjl+ACawid5D/dR9m3oGiWHqTCK:NsU7Z16MgcHdFJm3BHqT

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Executes dropped EXE

    • Modifies file permissions

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks