General

  • Target

    file.exe

  • Size

    5.9MB

  • Sample

    230328-pl66qacf3x

  • MD5

    969ab9f5cfe7abf620343eb06a4bb3ba

  • SHA1

    dfe71fc1701d2bf4838fd73bff1c1c0aae8afb72

  • SHA256

    1fccd74cbbb38e31c5119188f94e4cc9279f3cf0bc568f0469cdbe62ab330c5d

  • SHA512

    5bf7b73b850a618229661fad583bd65e2f13abde0a43e82abca36cc86cef36e476f5b03db1a7428ff470e9234deaa7b5711e37a6e5149dcbdfb47f16543cdb04

  • SSDEEP

    98304:/GPNMP31DLIgWIeapkz8cWBP2ASpDSQXQ3zFvO2v7+JFn3ZVK:/GFWVIFzhWdS9XQ3zF5Dm3ZVK

Malware Config

Targets

    • Target

      file.exe

    • Size

      5.9MB

    • MD5

      969ab9f5cfe7abf620343eb06a4bb3ba

    • SHA1

      dfe71fc1701d2bf4838fd73bff1c1c0aae8afb72

    • SHA256

      1fccd74cbbb38e31c5119188f94e4cc9279f3cf0bc568f0469cdbe62ab330c5d

    • SHA512

      5bf7b73b850a618229661fad583bd65e2f13abde0a43e82abca36cc86cef36e476f5b03db1a7428ff470e9234deaa7b5711e37a6e5149dcbdfb47f16543cdb04

    • SSDEEP

      98304:/GPNMP31DLIgWIeapkz8cWBP2ASpDSQXQ3zFvO2v7+JFn3ZVK:/GFWVIFzhWdS9XQ3zF5Dm3ZVK

    • PrivateLoader

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

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

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • 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.

    • 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

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

2
T1005

Tasks