Overview

overview

10

Static

static

3

3fe407ec29...ee.exe

windows7-x64

10

3fe407ec29...ee.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3fe407ec291b0a32a75716b1f8953dee.exe

  • Size

    253KB

  • Sample

    231220-3z77tsegfl

  • MD5

    3fe407ec291b0a32a75716b1f8953dee

  • SHA1

    8c53559759bff9a9322dd63d2a0e10631c96f3a3

  • SHA256

    e8196936314b7688cdc12fb1263f3fb835fc1be2fda0f95e0bbeda1eaec3a640

  • SHA512

    2505be4f3acbafda06eaf4e770374531265bf176b85bce74cb59cc152465f91710e46948c5f2674e726fd2bf3680e7daddb8bc6a5425aee8a92cee33f6bd3da6

  • SSDEEP

    6144:n/FBLQLxx4A0ZrucFlhciaVo8v/CZPSj:9BML34JPFXciaC8HCu

Score
10/10
dcratdjvuredlinesmokeloaderzgrat@ytlogsbotpub1backdoordiscoveryevasioninfostealerpersistenceransomwareratthemidatrojan

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

    .loqw

  • offline_id

    NrqpaQRhQqq5l2tBPp1QS34I3ME2IKsAlZ0A9pt1

  • 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-MhbiRFXgXD 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: 0838ASdw

rsa_pubkey.plain

Extracted

Family

redline

Botnet

@ytlogsbot

C2

195.20.16.190:45294

Targets

    • Target

      3fe407ec291b0a32a75716b1f8953dee.exe

    • Size

      253KB

    • MD5

      3fe407ec291b0a32a75716b1f8953dee

    • SHA1

      8c53559759bff9a9322dd63d2a0e10631c96f3a3

    • SHA256

      e8196936314b7688cdc12fb1263f3fb835fc1be2fda0f95e0bbeda1eaec3a640

    • SHA512

      2505be4f3acbafda06eaf4e770374531265bf176b85bce74cb59cc152465f91710e46948c5f2674e726fd2bf3680e7daddb8bc6a5425aee8a92cee33f6bd3da6

    • SSDEEP

      6144:n/FBLQLxx4A0ZrucFlhciaVo8v/CZPSj:9BML34JPFXciaC8HCu

    Score
    10/10
    djvusmokeloaderzgratpub1backdoordiscoveryevasionpersistenceransomwareratthemidatrojandcratredline@ytlogsbotinfostealer

    • DcRat

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

      ratinfostealerdcrat

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

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

      evasion

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Legitimate hosting services abused for malware hosting/C2

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks