General

  • Target
    42c371e393e888b8ff2e0c2f24193ee9.exe
  • Size 229KB
  • Sample220308-ws6xvsdbaj
  • SHA256 b0de3b3eb79e5291dcd933e0e8231c90208e2e11e894500fb7df6487ba259ba9
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • socelars

C2
  • https://sa-us-bucket.s3.us-east-2.amazonaws.com/asdhjk/

Extracted

Family
  • vidar

Version
  • 50.5

Botnet
  • 937

C2
  • https://c.im/@sam3al

  • https://mas.to/@s4msalo

Attributes
  • profile_id

    937

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://coralee.at/upload/

  • http://ducvietcao.com/upload/

  • http://biz-acc.ru/upload/

  • http://toimap.com/upload/

  • http://bbb7d.com/upload/

  • http://piratia-life.ru/upload/

  • http://curvreport.com/upload/

  • http://viagratos.com/upload/

  • http://mordo.ru/upload/

  • http://pkodev.net/upload/

rc4.i32
rc4.i32

Targets

    • Target
      42c371e393e888b8ff2e0c2f24193ee9.exe
    • Size 229KB
    • SHA256 b0de3b3eb79e5291dcd933e0e8231c90208e2e11e894500fb7df6487ba259ba9
    • MD5 SHA1 SHA512
    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

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

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • 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 Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

      suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

    • Looks for VirtualBox Guest Additions in registry

    • OnlyLogger Payload

    • Vidar Stealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • 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.

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks