General

  • Target

    UnlockAll.exe

  • Size

    5.2MB

  • Sample

    240930-vhc2cszdmh

  • MD5

    6133c12e721ada1024880502ec740184

  • SHA1

    48c3313e7a3837a9a0ba4107bfc017c9fda0c4c9

  • SHA256

    0a6d6dd0286b03d733720371a5b9ffd6cb008bcc8f67d07806a470e159798c30

  • SHA512

    17206ef6db20567d2c5a888ba9c3e0b089ca54c52dc54b1433136322087a6661c23979e6ab3341826f811a8f295eedf4ce54adc54f8bdfb3f8dcf3f7e15cb4c2

  • SSDEEP

    98304:2geSX8FPrOJFSk1SB2f8y+QeIJd2TsH2t2aTnPBPnEAEf2OQWd+bYt:xeE88JgV2fDehYsPzREAY2OQZbK

Malware Config

Targets

    • Target

      UnlockAll.exe

    • Size

      5.2MB

    • MD5

      6133c12e721ada1024880502ec740184

    • SHA1

      48c3313e7a3837a9a0ba4107bfc017c9fda0c4c9

    • SHA256

      0a6d6dd0286b03d733720371a5b9ffd6cb008bcc8f67d07806a470e159798c30

    • SHA512

      17206ef6db20567d2c5a888ba9c3e0b089ca54c52dc54b1433136322087a6661c23979e6ab3341826f811a8f295eedf4ce54adc54f8bdfb3f8dcf3f7e15cb4c2

    • SSDEEP

      98304:2geSX8FPrOJFSk1SB2f8y+QeIJd2TsH2t2aTnPBPnEAEf2OQWd+bYt:xeE88JgV2fDehYsPzREAY2OQZbK

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • 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 Enterprise v15

Tasks