General

  • Target

    Install.exe

  • Size

    9.3MB

  • Sample

    230111-phhzqafh5v

  • MD5

    386e8cf7fc763c4c2700c5bbf8a5a84a

  • SHA1

    b6faa85d2aa6453a79b7abea5be783d81bab0004

  • SHA256

    6fb6b5bea4ea218e0959f6449fed09dbded30b6e3ee320d51b49d74c9a0bf44d

  • SHA512

    ca79f9a92ad865e67d24c46dcb6653d385e514dcc5834f5ee592d803b2e32454f63ec01ce9d9f824f7e12a8f348629ec477e577d9abb8c6fed784c39a6e74d7c

  • SSDEEP

    196608:wQcLGiPD8BoXHfg3+RuQxn5FGvnSmOj7f3iRAoTnpl:hcJwBo3okuQx5Fkn7Ov3i/pl

Malware Config

Targets

    • Target

      Install.exe

    • Size

      9.3MB

    • MD5

      386e8cf7fc763c4c2700c5bbf8a5a84a

    • SHA1

      b6faa85d2aa6453a79b7abea5be783d81bab0004

    • SHA256

      6fb6b5bea4ea218e0959f6449fed09dbded30b6e3ee320d51b49d74c9a0bf44d

    • SHA512

      ca79f9a92ad865e67d24c46dcb6653d385e514dcc5834f5ee592d803b2e32454f63ec01ce9d9f824f7e12a8f348629ec477e577d9abb8c6fed784c39a6e74d7c

    • SSDEEP

      196608:wQcLGiPD8BoXHfg3+RuQxn5FGvnSmOj7f3iRAoTnpl:hcJwBo3okuQx5Fkn7Ov3i/pl

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

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

    • Executes dropped EXE

    • 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.

    • Checks whether UAC is enabled

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks