General

  • Target

    D1F610AF3C46FFF6C857BE0136C696604EB8E7466B4A7.exe

  • Size

    3.8MB

  • Sample

    211109-fk9qsabfcr

  • MD5

    3c1bcfc5e5d1327746d9e8d3fdb5b49f

  • SHA1

    58af3de1e2e55241141f05a3a82163ed2ef62339

  • SHA256

    d1f610af3c46fff6c857be0136c696604eb8e7466b4a7e40f6b459cfa8339422

  • SHA512

    4f779d352e3d6e16337e4f3875d296e629e016d7c779b195ef62db5e1726d40bd5e0faed9997b3e0ad734ffc99f2f1096a1395b30a68cae4ae4133e5a2ec14a9

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

http://misha.at/upload/

http://roohaniinfra.com/upload/

http://0axqpcc.cn/upload/

http://mayak-lombard.ru/upload/

http://mebel-lass.ru/upload/

http://dishakhan.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

48.1

Botnet

865

Attributes
  • profile_id

    865

Extracted

Family

xloader

Version

2.5

Campaign

s0iw

C2

http://www.kyiejenner.com/s0iw/

Decoy

ortopediamodelo.com

orimshirts.store

universecatholicweekly.info

yvettechan.com

sersaudavelsempre.online

face-booking.net

europeanretailgroup.com

umofan.com

roemahbajumuslim.online

joyrosecuisine.net

3dmaker.house

megdb.xyz

stereoshopie.info

gv5rm.com

tdc-trust.com

mcglobal.club

choral.works

onlineconsultantgroup.com

friscopaintandbody.com

midwestii.com

Targets

    • Target

      D1F610AF3C46FFF6C857BE0136C696604EB8E7466B4A7.exe

    • Size

      3.8MB

    • MD5

      3c1bcfc5e5d1327746d9e8d3fdb5b49f

    • SHA1

      58af3de1e2e55241141f05a3a82163ed2ef62339

    • SHA256

      d1f610af3c46fff6c857be0136c696604eb8e7466b4a7e40f6b459cfa8339422

    • SHA512

      4f779d352e3d6e16337e4f3875d296e629e016d7c779b195ef62db5e1726d40bd5e0faed9997b3e0ad734ffc99f2f1096a1395b30a68cae4ae4133e5a2ec14a9

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • Xloader Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks