General

  • Target

    65350ee5de866f54845c13472cc7e0257b55715560ff9696ba2d4dc0494991e6

  • Size

    337KB

  • Sample

    211121-lghe1sgfh7

  • MD5

    9b46568f08700e57048272f5cf0ddeb2

  • SHA1

    547534f976f42206cb2870a0e1e29b7ae5710232

  • SHA256

    65350ee5de866f54845c13472cc7e0257b55715560ff9696ba2d4dc0494991e6

  • SHA512

    3b3c0ad90443de710768c830e657a88bf30ed9f01237344e6d2d1316e6c492c5c93430d88cf933ddc0e88cd61900a952ab0d7204231b9faa77251e87c8fa7125

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

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

arkei

Botnet

Default

C2

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

Extracted

Family

redline

Botnet

1823930346

C2

185.92.74.63:10829

Extracted

Family

vidar

Version

48.6

Botnet

706

C2

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes
  • profile_id

    706

Targets

    • Target

      65350ee5de866f54845c13472cc7e0257b55715560ff9696ba2d4dc0494991e6

    • Size

      337KB

    • MD5

      9b46568f08700e57048272f5cf0ddeb2

    • SHA1

      547534f976f42206cb2870a0e1e29b7ae5710232

    • SHA256

      65350ee5de866f54845c13472cc7e0257b55715560ff9696ba2d4dc0494991e6

    • SHA512

      3b3c0ad90443de710768c830e657a88bf30ed9f01237344e6d2d1316e6c492c5c93430d88cf933ddc0e88cd61900a952ab0d7204231b9faa77251e87c8fa7125

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Arkei Stealer Payload

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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

    • Checks installed software on the system

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
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