General

  • Target

    73d71e6e084fac7ecd9f404aeb43801358b695a253761355c56555309d3b12b6

  • Size

    280KB

  • Sample

    211120-eqa9qsccbj

  • MD5

    1b5aa9a55ff8069daefa44e5a503383f

  • SHA1

    7b258b7eba9591f20b86da0666f6774ae4e36dec

  • SHA256

    73d71e6e084fac7ecd9f404aeb43801358b695a253761355c56555309d3b12b6

  • SHA512

    0b014382a092d2241e9204710da86bbca796238ddc7427d7dee101dcd9dbc5cf5b6ece33ae7030a78fd18e97fd94991a25fcccceccb56250bc3b2586ce8bad8e

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

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

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

59885c564847bf29ddd9457b81c619998245ba90

Attributes
  • url4cnc

    http://91.219.236.27/opussenseus1

    http://5.181.156.92/opussenseus1

    http://91.219.236.207/opussenseus1

    http://185.225.19.18/opussenseus1

    http://91.219.237.227/opussenseus1

    https://t.me/opussenseus1

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

redline

Botnet

Alex

C2

178.238.8.72:49214

Extracted

Family

redline

Botnet

bot_tg

C2

188.119.113.20:27724

Extracted

Family

vidar

Version

48.6

Botnet

706

C2

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes
  • profile_id

    706

Targets

    • Target

      73d71e6e084fac7ecd9f404aeb43801358b695a253761355c56555309d3b12b6

    • Size

      280KB

    • MD5

      1b5aa9a55ff8069daefa44e5a503383f

    • SHA1

      7b258b7eba9591f20b86da0666f6774ae4e36dec

    • SHA256

      73d71e6e084fac7ecd9f404aeb43801358b695a253761355c56555309d3b12b6

    • SHA512

      0b014382a092d2241e9204710da86bbca796238ddc7427d7dee101dcd9dbc5cf5b6ece33ae7030a78fd18e97fd94991a25fcccceccb56250bc3b2586ce8bad8e

    • Arkei

      Arkei is an infostealer written in C++.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Arkei Stealer Payload

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks