Overview

overview

10

Static

static

3

winprofile

windows7-x64

1

winprofile

windows10-1703-x64

10

Resubmissions

25-06-2023 05:35

230625-f93nrseb7x 8

25-06-2023 05:27

230625-f5sb8sdb56 8

25-06-2023 04:47

230625-fejx6seb3t 10

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General

  • Target

    160764e2f395ecd512ea174af36156ad0d2fbe3e3e78a63a90ff90307b22202a

  • Size

    288KB

  • Sample

    230625-fejx6seb3t

  • MD5

    6ae917525435e23b07d15537fb40aea0

  • SHA1

    7c85b447bb5608ba7fb6a332c033c0cdad0430ae

  • SHA256

    160764e2f395ecd512ea174af36156ad0d2fbe3e3e78a63a90ff90307b22202a

  • SHA512

    23e5f94e964d53d72af0d6ad31da309539116a9963806ce7b0d3c028a69ab343df6cd6f3989b280e70a285395425a1cb93492fe5030968558ada5f7de047aaed

  • SSDEEP

    6144:Ft+WQdzUUPFTf2HHvKlHQho0jT21v3Ifz/x2ShelxPcWpv:61oqm+QbjTIwr/l00m

Score
10/10
phobosredlinesmokeloadersystembc1agilenetbackdoorcollectionevasioninfostealerpersistenceransomwarespywarestealerthemidatrojan

Malware Config

Extracted

Family

redline

Botnet

1

C2

dexstat255.xyz:46578

Attributes
  • auth_value

    c4805fc19583231a4c5bb64b0e833716

Extracted

Family

systembc

C2

adstat277xm.xyz:4044

demstat377xm.xyz:4044

Extracted

Family

smokeloader

Version

2022

C2

http://serverlogs37.xyz/statweb255/

http://servblog757.xyz/statweb255/

http://dexblog45.xyz/statweb255/

http://admlogs.online/statweb255/

http://blogstat355.xyz/statweb255/

http://blogstatserv25.xyz/statweb255/
rc4.i32
rc4.i32

Extracted

Path

C:\info.hta

Ransom Note
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'> <html> <head> <meta charset='windows-1251'> <title>cartilage</title> <HTA:APPLICATION ICON='msiexec.exe' SINGLEINSTANCE='yes' SysMenu="no"> <script language='JScript'> window.moveTo(50, 50); window.resizeTo(screen.width - 100, screen.height - 100); </script> <style type='text/css'> body { font: 15px Tahoma, sans-serif; margin: 10px; line-height: 25px; background: #C6B5C4; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #B5CC8E; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #e6ecf2; border-left: 10px solid #B58CB2; } .alert { background: #FFE4E4; border-left: 10px solid #FFA07A; } .private { border: 1px dashed #000; background: #FFFFEF; } .note { height: auto; padding-bottom: 1px; margin: 15px 0; } .note .title { font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; } .note .mark { background: #A2A2B5; } .note ul { margin-top: 0; } .note pre { margin-left: 15px; line-height: 13px; font-size: 13px; } .footer { position:fixed; bottom:0; right:0; text-align: right; } </style> </head> <body> <div class='header'> <img src='data:image/png;base64,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'> <div>All your files have been encrypted!</div> </div> <div class='bold'>All your files have been encrypted due to a security problem with your PC.</div> <div class='bold'>If you want to restore them, write us to the e-mail <span class='mark'>support@rexsdata.pro</span></div> <div class='bold'>Or write us to the Tox: <span class='mark'>78E21CFF7AA85F713C1530AEF2E74E62830BEE77238F4B0A73E5E3251EAD56427BF9F7A1A074</span></div> <div class='bold'>Write this ID in the title of your message <span class='mark'>3DAA590A-3483</span></div> <div> You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files. </div> <div class='note info'> <div class='title'>Free decryption as guarantee</div> <ul>Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) </ul> </div> <div class='note info'> <div class='title'>How to obtain Bitcoins</div> <ul> The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. <br><a href='https://localbitcoins.com/buy_bitcoins'>https://localbitcoins.com/buy_bitcoins</a> <br> Also you can find other places to buy Bitcoins and beginners guide here: <br><a href='http://www.coindesk.com/information/how-can-i-buy-bitcoins/'>http://www.coindesk.com/information/how-can-i-buy-bitcoins/</a> </ul> </div> <div class='note alert'> <div class='title'>Attention!</div> <ul> <li>Do not rename encrypted files.</li> <li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li> <li>Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.</li> </ul> </div> </body> </html>
Emails

class='mark'>support@rexsdata.pro</span></div>

URLs

http://www.w3.org/TR/html4/strict.dtd'>

Targets

    • Target

      160764e2f395ecd512ea174af36156ad0d2fbe3e3e78a63a90ff90307b22202a

    • Size

      288KB

    • MD5

      6ae917525435e23b07d15537fb40aea0

    • SHA1

      7c85b447bb5608ba7fb6a332c033c0cdad0430ae

    • SHA256

      160764e2f395ecd512ea174af36156ad0d2fbe3e3e78a63a90ff90307b22202a

    • SHA512

      23e5f94e964d53d72af0d6ad31da309539116a9963806ce7b0d3c028a69ab343df6cd6f3989b280e70a285395425a1cb93492fe5030968558ada5f7de047aaed

    • SSDEEP

      6144:Ft+WQdzUUPFTf2HHvKlHQho0jT21v3Ifz/x2ShelxPcWpv:61oqm+QbjTIwr/l00m

    Score
    10/10
    phobosredlinesmokeloadersystembc1agilenetbackdoorcollectionevasioninfostealerpersistenceransomwarespywarestealerthemidatrojan

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

      ransomwarephobos

    • RedLine

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

      infostealerredline

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

      trojansystembc

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

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

      evasion

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (455) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Blocklisted process makes network request

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Checks BIOS information in registry

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

3
T1107

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Tasks