General

  • Target

    tmp

  • Size

    4.0MB

  • Sample

    231013-fg4qcsge63

  • MD5

    b9a096baebdf8e44368e9724da8e56dd

  • SHA1

    f9873fa92ae8b75e23e353f43ae1ba9087edebfc

  • SHA256

    2157d146a890d32c5ba49f31fa1840e5b0d56e4dd0bbf5f8b14cc4e482a47bef

  • SHA512

    f17ee70d827fba12de17062add350df0803009e5b930a0f0a7891e6bf64f0df8f443355ec72ae332aed3b37d24f40c78e0a559040e45994e02e3a5ad71624b08

  • SSDEEP

    98304:OJhDwVgp97vYIP8nq5g88RzpufFdx37e5vQCxt2xWwESu:OYVgLs1qlYp0Ff37exTjJ

Malware Config

Targets

    • Target

      tmp

    • Size

      4.0MB

    • MD5

      b9a096baebdf8e44368e9724da8e56dd

    • SHA1

      f9873fa92ae8b75e23e353f43ae1ba9087edebfc

    • SHA256

      2157d146a890d32c5ba49f31fa1840e5b0d56e4dd0bbf5f8b14cc4e482a47bef

    • SHA512

      f17ee70d827fba12de17062add350df0803009e5b930a0f0a7891e6bf64f0df8f443355ec72ae332aed3b37d24f40c78e0a559040e45994e02e3a5ad71624b08

    • SSDEEP

      98304:OJhDwVgp97vYIP8nq5g88RzpufFdx37e5vQCxt2xWwESu:OYVgLs1qlYp0Ff37exTjJ

    • 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 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 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks