General

  • Target

    file.exe

  • Size

    4.8MB

  • Sample

    230127-nvkhmsac96

  • MD5

    ba8169b60bd162597bc91a492acbe9f0

  • SHA1

    fe39cd7badbc1740c686648f57083eb666ad8df8

  • SHA256

    1290f9754a269d7cf6c4be336b347e0012aede4df4fee545eed7426efddc1c4d

  • SHA512

    3939b924cdc72f77555d5f71c5767b10b0dbf52d6f4bdcab5b2e6d87402a89a3899c4d85e537a86ad1346dbfb0c47e05e5d3a96a1d6dc7be01c644627cdc1258

  • SSDEEP

    98304:ohbbxS7P7CbM5zD6sILTjblMS0uQvEgKNDDHoY3gnN9lMRmtbK3cNA:ohoi4osI3jhMSNQsgkDLoYwnFymRfNA

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.8MB

    • MD5

      ba8169b60bd162597bc91a492acbe9f0

    • SHA1

      fe39cd7badbc1740c686648f57083eb666ad8df8

    • SHA256

      1290f9754a269d7cf6c4be336b347e0012aede4df4fee545eed7426efddc1c4d

    • SHA512

      3939b924cdc72f77555d5f71c5767b10b0dbf52d6f4bdcab5b2e6d87402a89a3899c4d85e537a86ad1346dbfb0c47e05e5d3a96a1d6dc7be01c644627cdc1258

    • SSDEEP

      98304:ohbbxS7P7CbM5zD6sILTjblMS0uQvEgKNDDHoY3gnN9lMRmtbK3cNA:ohoi4osI3jhMSNQsgkDLoYwnFymRfNA

    • PrivateLoader

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

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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 installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks