General

  • Target

    5e34bc8a509290e054eb833d6c5f75be5f633d19e366214e3f1b7e8b0ab1915a

  • Size

    319KB

  • Sample

    211201-yt4j8sfeer

  • MD5

    a5d5cfdc12acabf8618f4da7dea265b0

  • SHA1

    96f5ee0d4184b7a073a51a20084353604ffe8906

  • SHA256

    5e34bc8a509290e054eb833d6c5f75be5f633d19e366214e3f1b7e8b0ab1915a

  • SHA512

    1facfe7a1b7edc1fcd1b4d97e140626bc830914d5c6fe82786f35a6dcc7ea65bf07af3755a5ffa2c868c532c83e8a1eced09f67f92c390333a91298c1e09f49b

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

      5e34bc8a509290e054eb833d6c5f75be5f633d19e366214e3f1b7e8b0ab1915a

    • Size

      319KB

    • MD5

      a5d5cfdc12acabf8618f4da7dea265b0

    • SHA1

      96f5ee0d4184b7a073a51a20084353604ffe8906

    • SHA256

      5e34bc8a509290e054eb833d6c5f75be5f633d19e366214e3f1b7e8b0ab1915a

    • SHA512

      1facfe7a1b7edc1fcd1b4d97e140626bc830914d5c6fe82786f35a6dcc7ea65bf07af3755a5ffa2c868c532c83e8a1eced09f67f92c390333a91298c1e09f49b

    • 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