Overview

overview

10

Static

static

3

dridex

windows10-2004-x64

10

Sharing

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General

  • Target

    552cbe78e8078850c89a8e4deb2bce9c503af2a7c340a299c76ff77e0d150e28

  • Size

    257KB

  • Sample

    231214-t4tessfahk

  • MD5

    3b4a071bf4a6f6dc379dfd6420a37018

  • SHA1

    947dcc9ef11aa072cea7a9adacde38b2e4955c3f

  • SHA256

    552cbe78e8078850c89a8e4deb2bce9c503af2a7c340a299c76ff77e0d150e28

  • SHA512

    97afc047d22466f80550c138482bffdd66bef25fa19d948149b3bdbfe9043b6764124d107a763403e78960741dbe83c76597f2c62ace972594ea27df8ea8fd86

  • SSDEEP

    3072:5wBaC7pYLdt9geueoqby6boK56qF1KZTFX:5wBaC7a9g5eoqb/jPcT

Score
10/10
djvusmokeloaderup3backdoordiscoverypersistenceransomwaretrojan

Malware Config

Extracted

Family

smokeloader

Botnet

up3

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

    .ljuy

  • offline_id

    B5moRKh7Z0xwbuNave594QPrrx2R2HOTp49pUFt1

  • 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-mFyI2phKff 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: 0836ASdw

rsa_pubkey.plain

Targets

    • Target

      552cbe78e8078850c89a8e4deb2bce9c503af2a7c340a299c76ff77e0d150e28

    • Size

      257KB

    • MD5

      3b4a071bf4a6f6dc379dfd6420a37018

    • SHA1

      947dcc9ef11aa072cea7a9adacde38b2e4955c3f

    • SHA256

      552cbe78e8078850c89a8e4deb2bce9c503af2a7c340a299c76ff77e0d150e28

    • SHA512

      97afc047d22466f80550c138482bffdd66bef25fa19d948149b3bdbfe9043b6764124d107a763403e78960741dbe83c76597f2c62ace972594ea27df8ea8fd86

    • SSDEEP

      3072:5wBaC7pYLdt9geueoqby6boK56qF1KZTFX:5wBaC7a9g5eoqb/jPcT

    Score
    10/10
    djvusmokeloaderup3backdoordiscoverypersistenceransomwaretrojan

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • 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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks