General

  • Target

    FAC40C4A1764D50E1AE905029830E056.fil

  • Size

    2.8MB

  • Sample

    220726-z927sahgh4

  • MD5

    fac40c4a1764d50e1ae905029830e056

  • SHA1

    6ea7a9e9e5fac4e480b4f03b8f37e55f1e6ba1cd

  • SHA256

    4770daf7e7f55d16eee05512eb2c75df6f5df6e3a0f97858580a9d6ddfe012ad

  • SHA512

    d4474dcb9de810f92c9d775efb7e6ffb7e4ec37757e6a6b9b0276ee04c311799cdb021f1b404440943f4ae4785d5a5d6def0d830017519939bcc458810a1149d

Malware Config

Targets

    • Target

      FAC40C4A1764D50E1AE905029830E056.fil

    • Size

      2.8MB

    • MD5

      fac40c4a1764d50e1ae905029830e056

    • SHA1

      6ea7a9e9e5fac4e480b4f03b8f37e55f1e6ba1cd

    • SHA256

      4770daf7e7f55d16eee05512eb2c75df6f5df6e3a0f97858580a9d6ddfe012ad

    • SHA512

      d4474dcb9de810f92c9d775efb7e6ffb7e4ec37757e6a6b9b0276ee04c311799cdb021f1b404440943f4ae4785d5a5d6def0d830017519939bcc458810a1149d

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • 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

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks