General

  • Target

    8f56f3e44a074d21fa31329b898af4fd996826bf463b171037a69721cdbc4f3c

  • Size

    249KB

  • Sample

    211204-mpe6asahal

  • MD5

    99ce4ec63266c82d102a339c09dfff1c

  • SHA1

    3099c0454e43ed2357206b8afa8ac1d630f1f499

  • SHA256

    8f56f3e44a074d21fa31329b898af4fd996826bf463b171037a69721cdbc4f3c

  • SHA512

    0e1fb7ab1c4008865ac2d081a41bddc190b6d4d7f88e9aace7acde6b7fc8118766745931a4a1d16d87f339dad9dc100b6d222e801160449f1c3b0d1ec41af66f

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

Targets

    • Target

      8f56f3e44a074d21fa31329b898af4fd996826bf463b171037a69721cdbc4f3c

    • Size

      249KB

    • MD5

      99ce4ec63266c82d102a339c09dfff1c

    • SHA1

      3099c0454e43ed2357206b8afa8ac1d630f1f499

    • SHA256

      8f56f3e44a074d21fa31329b898af4fd996826bf463b171037a69721cdbc4f3c

    • SHA512

      0e1fb7ab1c4008865ac2d081a41bddc190b6d4d7f88e9aace7acde6b7fc8118766745931a4a1d16d87f339dad9dc100b6d222e801160449f1c3b0d1ec41af66f

    • 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.

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