General

  • Target

    file.exe

  • Size

    3.4MB

  • Sample

    230129-s4rqjace97

  • MD5

    bccdbd62c82c4f579a3ed21ccca15aa5

  • SHA1

    71f6d3066d0eeea781f86ed82b4e929767608a05

  • SHA256

    69bcd5e9f5f59d96f667e987fc84b2246a56a3fbfc837673566a1dbe76cd1da9

  • SHA512

    ae9cf1aed53a4161651ba19c452719cc9f9a2f547bcfaa32ed52f0882a060f1f864a4c4e678e08271103bf2560fece8aac430b27251252088b12587a49e59051

  • SSDEEP

    98304:+wM8hvx7Vf7o5P5WYTdxFHKOla4D9Zuml9KRK3:wc7R7eYYTdjraFmuK3

Malware Config

Targets

    • Target

      file.exe

    • Size

      3.4MB

    • MD5

      bccdbd62c82c4f579a3ed21ccca15aa5

    • SHA1

      71f6d3066d0eeea781f86ed82b4e929767608a05

    • SHA256

      69bcd5e9f5f59d96f667e987fc84b2246a56a3fbfc837673566a1dbe76cd1da9

    • SHA512

      ae9cf1aed53a4161651ba19c452719cc9f9a2f547bcfaa32ed52f0882a060f1f864a4c4e678e08271103bf2560fece8aac430b27251252088b12587a49e59051

    • SSDEEP

      98304:+wM8hvx7Vf7o5P5WYTdxFHKOla4D9Zuml9KRK3:wc7R7eYYTdjraFmuK3

    • 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