General

  • Target

    03217dbdfb4fa798c9907a751a6c013cac5529b51f11070039ad37754d58d35a

  • Size

    313KB

  • Sample

    211201-t7relsdhen

  • MD5

    f48787dadec381826ea5c640b1955262

  • SHA1

    1cac7f67fb14a676de816b0fc793d976a553d256

  • SHA256

    03217dbdfb4fa798c9907a751a6c013cac5529b51f11070039ad37754d58d35a

  • SHA512

    3f09fe3e0e8341761f67cbd8106df7e17c6d9a328b544b2cf6ce1d50ddfb01f4303f22a26c31e8efbe3457663434793c55d01748888c35bd694ebb8d7cf27816

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

Botnet

1

C2

45.9.20.59:46287

Targets

    • Target

      03217dbdfb4fa798c9907a751a6c013cac5529b51f11070039ad37754d58d35a

    • Size

      313KB

    • MD5

      f48787dadec381826ea5c640b1955262

    • SHA1

      1cac7f67fb14a676de816b0fc793d976a553d256

    • SHA256

      03217dbdfb4fa798c9907a751a6c013cac5529b51f11070039ad37754d58d35a

    • SHA512

      3f09fe3e0e8341761f67cbd8106df7e17c6d9a328b544b2cf6ce1d50ddfb01f4303f22a26c31e8efbe3457663434793c55d01748888c35bd694ebb8d7cf27816

    • 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 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

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks