General

  • Target
    3e83abe805ea3cd0852235f3365e1cf9
  • Size 3.3MB
  • Sample240102-vffz8sadbl
  • SHA256 079e8468f9e6f11a839e931ab04d45036acb2574aa37a4f749d6db98a61509cc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nullmixer

C2
  • http://razino.xyz/

Extracted

Family
  • smokeloader

Botnet
  • pub5

Extracted

Family
  • vidar

Version
  • 39.4

Botnet
  • 706

C2
  • https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://ppcspb.com/upload/

  • http://mebbing.com/upload/

  • http://twcamel.com/upload/

  • http://howdycash.com/upload/

  • http://lahuertasonora.com/upload/

  • http://kpotiques.com/upload/

rc4.i32
rc4.i32

Targets

    • Target
      3e83abe805ea3cd0852235f3365e1cf9
    • Size 3.3MB
    • SHA256 079e8468f9e6f11a839e931ab04d45036acb2574aa37a4f749d6db98a61509cc
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • 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 v15

Tasks