Resubmissions

16-04-2023 06:15

230416-gz328ahc32 7

01-03-2023 14:43

230301-r3mvhsge87 9

General

  • Target

    Hola-Browser-Setup-Inst-Agreed-C-Mmdb2.exe

  • Size

    1.4MB

  • Sample

    230301-r3mvhsge87

  • MD5

    0ae910eee527d508745f79d10762fdfb

  • SHA1

    e40557b1cbf21942c45c0462e1b24a1a83ef9e99

  • SHA256

    2b8235f92ed8e96ccd83e8a47428642f4d0599df496dc7c2d75772c3cc9d54cc

  • SHA512

    7ca24844010d5be334d78dbb808b60785a1b4e507425e94c840d4bdd30f2aea8a4821e309c9ed673291d952cfae29868e73b9adc5ad436a39691720fc8b71afa

  • SSDEEP

    24576:2nlwinUv+L8m657w6ZBLmkitKqBCjC0PDgM5A4woGHp:2nlyuVV1BCjBkJ

Malware Config

Targets

    • Target

      Hola-Browser-Setup-Inst-Agreed-C-Mmdb2.exe

    • Size

      1.4MB

    • MD5

      0ae910eee527d508745f79d10762fdfb

    • SHA1

      e40557b1cbf21942c45c0462e1b24a1a83ef9e99

    • SHA256

      2b8235f92ed8e96ccd83e8a47428642f4d0599df496dc7c2d75772c3cc9d54cc

    • SHA512

      7ca24844010d5be334d78dbb808b60785a1b4e507425e94c840d4bdd30f2aea8a4821e309c9ed673291d952cfae29868e73b9adc5ad436a39691720fc8b71afa

    • SSDEEP

      24576:2nlwinUv+L8m657w6ZBLmkitKqBCjC0PDgM5A4woGHp:2nlyuVV1BCjBkJ

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks