General

  • Target
    5c3079c9dd0556ff26b71d78c7d988d4331e12474504e1dda6cfd819d7b50101
  • Size 3.7MB
  • Sample220310-sdj8rsbcbq
  • SHA256 5c3079c9dd0556ff26b71d78c7d988d4331e12474504e1dda6cfd819d7b50101
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • socelars

C2
  • http://www.iyiqian.com/

  • http://www.xxhufdc.top/

  • http://www.uefhkice.xyz/

  • http://www.wygexde.xyz/

Extracted

Family
  • smokeloader

Version
  • 2020

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

  • http://twvickiassociation.com/upload/

  • http://www20833.com/upload/

  • http://cocinasintonterias.com/upload/

  • http://masaofukunaga.com/upload/

  • http://gnckids.com/upload/

rc4.i32
rc4.i32

Targets

    • Target
      5c3079c9dd0556ff26b71d78c7d988d4331e12474504e1dda6cfd819d7b50101
    • Size 3.7MB
    • SHA256 5c3079c9dd0556ff26b71d78c7d988d4331e12474504e1dda6cfd819d7b50101
    • MD5 SHA1 SHA512
    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Executes dropped EXE

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial 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.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks