General

  • Target
    BD6FE266F81A88ABE3C95129BD77757B.exe
  • Size 2.5MB
  • Sample210722-hakncxtka6
  • SHA256 ad059ada4911aa16829da483216cb466f07613edbc0f9f65a5ffd04ab1ea1732
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 39.6

Botnet
  • 933

C2
  • https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://conceitosseg.com/upload/

  • http://integrasidata.com/upload/

  • http://ozentekstil.com/upload/

  • http://finbelportal.com/upload/

  • http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • AniNEW

C2
  • akedauiver.xyz:80

Extracted

Family
  • fickerstealer

C2
  • 37.0.8.225:80

Targets

    • Target
      BD6FE266F81A88ABE3C95129BD77757B.exe
    • Size 2.5MB
    • SHA256 ad059ada4911aa16829da483216cb466f07613edbc0f9f65a5ffd04ab1ea1732
    • MD5 SHA1 SHA512
    • Fickerstealer

      Ficker is an infostealer written in Rust and ASM.

    • 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.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks