Resubmissions

24-02-2023 03:21

230224-dwn74sca6w 10

07-02-2023 19:50

230207-yj9cqsef9t 10

General

  • Target

    file.exe

  • Size

    6.3MB

  • Sample

    230207-yj9cqsef9t

  • MD5

    9c09eeffe2f425af3658e7596efa753e

  • SHA1

    bfd360c1be479ec1495bfb3b9fee0a5de2577d55

  • SHA256

    827c4997002fad614d23a5c16f9547005862ce2a8d5758e986f7a9ad67266184

  • SHA512

    0ab73e8c6256d10b9d17104152f9d93ccf67ee17db14be7f220fb24c87ae30282179a55543c96c1060ac098dabf36462e0ab931d5a238ff1fab1b979dc04f3f6

  • SSDEEP

    196608:g++s55CXIftXiqzb2oRBIKM2cZlZAAsU5H6qMENA2:lHJz6aIycKRCHecZ

Malware Config

Targets

    • Target

      file.exe

    • Size

      6.3MB

    • MD5

      9c09eeffe2f425af3658e7596efa753e

    • SHA1

      bfd360c1be479ec1495bfb3b9fee0a5de2577d55

    • SHA256

      827c4997002fad614d23a5c16f9547005862ce2a8d5758e986f7a9ad67266184

    • SHA512

      0ab73e8c6256d10b9d17104152f9d93ccf67ee17db14be7f220fb24c87ae30282179a55543c96c1060ac098dabf36462e0ab931d5a238ff1fab1b979dc04f3f6

    • SSDEEP

      196608:g++s55CXIftXiqzb2oRBIKM2cZlZAAsU5H6qMENA2:lHJz6aIycKRCHecZ

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks