General

  • Target

    f81037799acf75dae40624a0b68c7e694f6f8b76eb1629f844dda9ae7d5da96b

  • Size

    151KB

  • Sample

    231207-c1g4xsghcp

  • MD5

    484ef7142ba0068a60196ffbac72d650

  • SHA1

    404bfdab6e14ecb3921886674978d20e6232eaf5

  • SHA256

    42f36f3d56dcc381d135ea2ae2e5c5c5c5185cb58b8ba599272485a8f59345be

  • SHA512

    c62cb145c68fa17d6fe364a43cff1688bddbfe7927130f202fc3c07a24f502bfecc5005352f51f49e0ecfa7ff4ff2a5211ca848f183ff4f105f28df04d63cf7a

  • SSDEEP

    3072:RinueY2+fS2LzygBzRua5wjQJKXgmkcmNcDkCsi108gKnkybNpxbFtKU4G:Rpl2+SHgB1RDKpkXNc/ebKkMNpxKU4G

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0832ASdw

rsa_pubkey.plain

Extracted

Family

risepro

C2

193.233.132.51

Targets

    • Target

      f81037799acf75dae40624a0b68c7e694f6f8b76eb1629f844dda9ae7d5da96b

    • Size

      278KB

    • MD5

      27e492b391da6e407bef6dc07abd745f

    • SHA1

      6f2e8650a6d1a6369f55fd810b2e173427a4acdf

    • SHA256

      f81037799acf75dae40624a0b68c7e694f6f8b76eb1629f844dda9ae7d5da96b

    • SHA512

      8a4c97ce2015be0767b712ec9e4df3d5dc65e213b0f85028dd6e1c536a96cb5bf5ee80c313b02825228559de0a47381fb68ee9db239e094c11bde396949709a7

    • SSDEEP

      3072:s9uV33v8Km+ghoeuTUZb+yl7xOJKXgmkcmNcD55WLLV7Vdb9r6+:n3v8Km+6WGbhaKpkXNcCJDh

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer V2 payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Deletes itself

    • Executes dropped EXE

    • Modifies file permissions

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks