General

  • Target
    703DCBFF0BD2DFDC1CAF913421490041.exe
  • Size 3.6MB
  • Sample210619-p1f2e15eka
  • SHA256 efea5e4af45434b028bbb6f0f45e57d74cc37a0d46ba85921f456806d48bc97c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 39.3

Botnet
  • 706

C2
  • https://bandakere.tumblr.com

Attributes
  • profile_id

    706

Extracted

Family
  • redline

Botnet
  • SV03

C2
  • pupdatastar.tech:13994

  • pupdatastar.xyz:13994

  • pupdatastar.online:13994

Extracted

Family
  • vidar

Version
  • 39.3

Botnet
  • 921

C2
  • https://bandakere.tumblr.com

Attributes
  • profile_id

    921

Extracted

Family
  • metasploit

Version
  • windows/single_exec

Extracted

Family
  • vidar

Version
  • 39.3

Botnet
  • 865

C2
  • https://bandakere.tumblr.com

Attributes
  • profile_id

    865

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://999080321newfolder1002002131-service1002.space/

  • http://999080321newfolder1002002231-service1002.space/

  • http://999080321newfolder3100231-service1002.space/

  • http://999080321newfolder1002002431-service1002.space/

  • http://999080321newfolder1002002531-service1002.space/

  • http://999080321newfolder33417-012425999080321.space/

  • http://999080321test125831-service10020125999080321.space/

  • http://999080321test136831-service10020125999080321.space/

  • http://999080321test147831-service10020125999080321.space/

  • http://999080321test146831-service10020125999080321.space/

  • http://999080321test134831-service10020125999080321.space/

  • http://999080321est213531-service1002012425999080321.ru/

  • http://999080321yes1t3481-service10020125999080321.ru/

  • http://999080321test13561-service10020125999080321.su/

  • http://999080321test14781-service10020125999080321.info/

  • http://999080321test13461-service10020125999080321.net/

  • http://999080321test15671-service10020125999080321.tech/

  • http://999080321test12671-service10020125999080321.online/

  • http://999080321utest1341-service10020125999080321.ru/

  • http://999080321uest71-service100201dom25999080321.ru/

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

Extracted

Family
  • vidar

Version
  • 39.3

Botnet
  • 932

C2
  • https://bandakere.tumblr.com

Attributes
  • profile_id

    932

Extracted

Family
  • vidar

Version
  • 39.3

Botnet
  • 903

C2
  • https://bandakere.tumblr.com

Attributes
  • profile_id

    903

Targets

    • Target
      703DCBFF0BD2DFDC1CAF913421490041.exe
    • Size 3.6MB
    • SHA256 efea5e4af45434b028bbb6f0f45e57d74cc37a0d46ba85921f456806d48bc97c
    • 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

    • 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 NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks