General

  • Target

    file.exe

  • Size

    4.4MB

  • Sample

    230125-red8gagf39

  • MD5

    e20910b796fc1b4daa210ce625023d7d

  • SHA1

    56fdaf4f2e7243c35f91e60ff0fb372c027cdd3f

  • SHA256

    578b32f9bd3b8a0e79585e0160efa88ac127a9d28d3344aa7131061983d2bf0f

  • SHA512

    c71985abf73be4e21ad426497cc238f2d80f7c76e269694d1ed0893e8eb148ab9b3382843aff5d47e5e8221d9d365fde88b847caca9efb887d99c0fd3edc4657

  • SSDEEP

    98304:lAzL4t7P7CbM5zD6sILTjblMS0ugkKqRu/to5ZBHfKhBcR8gO:qX4ti4osI3jhMSNUcjHfKhBc1O

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.4MB

    • MD5

      e20910b796fc1b4daa210ce625023d7d

    • SHA1

      56fdaf4f2e7243c35f91e60ff0fb372c027cdd3f

    • SHA256

      578b32f9bd3b8a0e79585e0160efa88ac127a9d28d3344aa7131061983d2bf0f

    • SHA512

      c71985abf73be4e21ad426497cc238f2d80f7c76e269694d1ed0893e8eb148ab9b3382843aff5d47e5e8221d9d365fde88b847caca9efb887d99c0fd3edc4657

    • SSDEEP

      98304:lAzL4t7P7CbM5zD6sILTjblMS0ugkKqRu/to5ZBHfKhBcR8gO:qX4ti4osI3jhMSNUcjHfKhBc1O

    • 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