Resubmissions

06-07-2022 17:31

220706-v3z2mafddk 10

05-07-2022 20:20

220705-y4s69aeec3 10

General

  • Target

    Setup.zip

  • Size

    7.9MB

  • Sample

    220705-y4s69aeec3

  • MD5

    bddd663983d736ef1eebae80ca9e47c7

  • SHA1

    c106fc82e365520215574de59a6c8a4ba118e9e3

  • SHA256

    f054473c6d1f29569c8a1784ebfe5406b9f5b5740bf9f361c4f7b1017eb3c7e8

  • SHA512

    03f66370c24d763aa8fa47228acce83765e6146dc2b838665828943fc0167968b8f1bf98e68537f496d3a6e4c92041cc901d3adfcbbe405e7142765f1bb53630

Malware Config

Targets

    • Target

      Setup.exe

    • Size

      727.8MB

    • MD5

      0cbdf5f35f95ce64d6e7fb2e4ef95836

    • SHA1

      e19a9ac85198437858b1f6281de3db9b907a816f

    • SHA256

      c6b58e85804228ea3e35cdb3a743737c3963d365afc17af7937aa95975904df2

    • SHA512

      78d68daf50b2c85ac51ed510834b228ed5b8de64cc1393c51a593bd034edb7cd4a46c343e414c3b7902efe1deb1f48bdd5f087deb3aa1a678a804fb9c53c71a1

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

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

    • 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.

    • Deletes itself

    • 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.

    • 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

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

2
T1005

Tasks