General

  • Target

    5ad4a6bc25d5f26168dfe7e4220d3beb18e6615322e0ed2acc14388dedf1342f

  • Size

    249KB

  • Sample

    211204-k7k36aagck

  • MD5

    006965cd6d12cab829d97f3b8fccec2e

  • SHA1

    77374a784186ba6fbf038e1865030d3b22966e73

  • SHA256

    5ad4a6bc25d5f26168dfe7e4220d3beb18e6615322e0ed2acc14388dedf1342f

  • SHA512

    7b7fe4625e1621579043a82b3dd8da2e8e04955d097a7bad2ee6654e1aa965beac68535d84d4e459099514ef303eed723a7bc67182dd5e942ccd44d425ed92db

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

https://cinems.club/search.php

https://clothes.surf/search.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

C2

195.133.47.114:38620

Extracted

Family

redline

Botnet

1

C2

45.9.20.59:46287

Extracted

Family

redline

Botnet

NoName

C2

185.215.113.29:26828

Targets

    • Target

      5ad4a6bc25d5f26168dfe7e4220d3beb18e6615322e0ed2acc14388dedf1342f

    • Size

      249KB

    • MD5

      006965cd6d12cab829d97f3b8fccec2e

    • SHA1

      77374a784186ba6fbf038e1865030d3b22966e73

    • SHA256

      5ad4a6bc25d5f26168dfe7e4220d3beb18e6615322e0ed2acc14388dedf1342f

    • SHA512

      7b7fe4625e1621579043a82b3dd8da2e8e04955d097a7bad2ee6654e1aa965beac68535d84d4e459099514ef303eed723a7bc67182dd5e942ccd44d425ed92db

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

      suricata: ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

    • suricata: ET MALWARE Windows route Microsoft Windows DOS prompt command exit OUTBOUND

      suricata: ET MALWARE Windows route Microsoft Windows DOS prompt command exit OUTBOUND

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Deletes itself

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks