Resubmissions

13/08/2021, 20:44

210813-ysrz4wznb210

13/08/2021, 18:11

210813-xew4hd2n4e10

General

  • Target
    0B6B2968E8F090B22BC47ABAB70C4DD0.exe
  • Size 5.7MB
  • Sample210813-xew4hd2n4e
  • SHA256 cf8a60b5e39660a02d37d4d5f1d28e392427c1da05142d4a651cd1c267d07cc1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 40

Botnet
  • 706

C2
  • https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://readinglistforjuly1.xyz/

  • http://readinglistforjuly2.xyz/

  • http://readinglistforjuly3.xyz/

  • http://readinglistforjuly4.xyz/

  • http://readinglistforjuly5.xyz/

  • http://readinglistforjuly6.xyz/

  • http://readinglistforjuly7.xyz/

  • http://readinglistforjuly8.xyz/

  • http://readinglistforjuly9.xyz/

  • http://readinglistforjuly10.xyz/

  • http://readinglistforjuly1.site/

  • http://readinglistforjuly2.site/

  • http://readinglistforjuly3.site/

  • http://readinglistforjuly4.site/

  • http://readinglistforjuly5.site/

  • http://readinglistforjuly6.site/

  • http://readinglistforjuly7.site/

  • http://readinglistforjuly8.site/

  • http://readinglistforjuly9.site/

  • http://readinglistforjuly10.site/

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

Extracted

Family
  • metasploit

Version
  • windows/single_exec

Extracted

Family
  • raccoon

Botnet
  • 93d3ccba4a3cbd5e268873fc1760b2335272e198

Attributes
  • url4cnc

    https://telete.in/opa4kiprivatem

rc4.plain
rc4.plain

Extracted

Family
  • vidar

Version
  • 40

Botnet
  • 937

C2
  • https://lenak513.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family
  • vidar

Version
  • 40

Botnet
  • 916

C2
  • https://lenak513.tumblr.com/

Attributes
  • profile_id

    916

Targets

    • Target
      0B6B2968E8F090B22BC47ABAB70C4DD0.exe
    • Size 5.7MB
    • SHA256 cf8a60b5e39660a02d37d4d5f1d28e392427c1da05142d4a651cd1c267d07cc1
    • MD5 SHA1 SHA512
    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • 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 GCleaner Downloader Activity M1

      suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

      suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks