General

  • Target

    Setup-Crack-Key.exe

  • Size

    394.8MB

  • Sample

    220727-ryv1bsegcm

  • MD5

    16a270e38302409f5e21ff3199d4e072

  • SHA1

    eb55332d66c1183139f442c44a2a650bc6ee62b5

  • SHA256

    d469d7f395bc7c4c44d1340a299ccd03c39971587f09380fc433b5ea746a6137

  • SHA512

    47063be4eda5123e7a7f4267d4f127cd9a461c12d74fb891b42578dca47fd02ddbe08047865b79c5317b4317a045346f4bfe92131402395af9766b27ca6b4305

Malware Config

Targets

    • Target

      Setup-Crack-Key.exe

    • Size

      394.8MB

    • MD5

      16a270e38302409f5e21ff3199d4e072

    • SHA1

      eb55332d66c1183139f442c44a2a650bc6ee62b5

    • SHA256

      d469d7f395bc7c4c44d1340a299ccd03c39971587f09380fc433b5ea746a6137

    • SHA512

      47063be4eda5123e7a7f4267d4f127cd9a461c12d74fb891b42578dca47fd02ddbe08047865b79c5317b4317a045346f4bfe92131402395af9766b27ca6b4305

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks