Overview

overview

10

Static

static

1

79fe08c83e...4a.exe

windows7-x64

10

79fe08c83e...4a.exe

windows10-2004-x64

10

Resubmissions

21-02-2024 21:44

240221-1lqdrafg5w 10

21-02-2024 18:39

240221-xanh8sdd21 10

15-02-2023 18:24

230215-w18fnada5x 10

15-02-2023 17:35

230215-v6c19scg9t 10

10-02-2023 13:30

230210-qr8geaah9x 10

10-02-2023 13:25

230210-qn1x6abc29 10

10-02-2023 13:11

230210-qe8awaag29 10

29-01-2023 06:15

230129-gzxv7sbe38 10

29-01-2023 06:02

230129-grzptsbb44 10

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General

  • Target

    79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a.zip

  • Size

    188KB

  • Sample

    230210-qn1x6abc29

  • MD5

    9589d70973b25b23ef6463febfa1d232

  • SHA1

    3e59cb26229c9668141d591b7ef6ddad51da1bc3

  • SHA256

    2fa5adb1940605fdf9a3b39af904fe7cc2dba8d70039e1f96829a510242d71e2

  • SHA512

    a0c5a01ed41d5c59014d4e9df9c92bd8c7aed42305508afba6e696f17b7ef085146dd321075fadf61aaf2af8b03d760011aa4d2c5f2b9f9e96c2993c245b7ba0

  • SSDEEP

    3072:4st/N3hi2aPG8896EbLXjClJzpYlyCV3p9vdYiL/gxqq3pJ/YNlK:4ilxVaPG88kEbDjIVYH36CIxqqbArK

Score
10/10
djvusmokeloaderbackdoordiscoverypersistenceransomwaretrojanvmprotect

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vvoo

  • offline_id

    9c20OtJsXdFeF07b1IeFK5ERGv1zIb659YG380t1

  • payload_url

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

    http://bihsy.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-IiDRZpWuwI 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: datarestorehelp@airmail.cc Your personal ID: 0645JOsie

rsa_pubkey.plain

Targets

    • Target

      79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a.exe

    • Size

      298KB

    • MD5

      11511ba5fd4de1fc5051d0bcefb388ae

    • SHA1

      5e9476f39df92e01d0952e703869e71f85d470cd

    • SHA256

      79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a

    • SHA512

      904f0e3a252cd0ef8108492de955ac520008b10b66da736cc4bbdc6a8c3736440a9a11edb73707ba415d7f3f4c2c590dfa983aca01864b9d66a6c3559ed744e9

    • SSDEEP

      3072:0pb2LIT54Ga9Qzgp4gaCJrSjgBoMZmYKxQCBnIyCSyxzID1C7hZW0KIsiuNZ:xLIKGa96dfkBoMsDlqSwzIDM/KPP

    Score
    10/10
    smokeloaderbackdoortrojandjvudiscoverypersistenceransomwarevmprotect

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

      vmprotect

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks