General

  • Target

    be0c3c5f9610595a52ca4a79aa4619c0.exe

  • Size

    3MB

  • Sample

    230403-sx2xxshc7v

  • MD5

    be0c3c5f9610595a52ca4a79aa4619c0

  • SHA1

    77cb0b975b144792d5ab88c45400d92bb388f4a5

  • SHA256

    4e55151d81e24af0e44c7af3d5a3b9ddaf58591819736998b53d285028b654d3

  • SHA512

    50139d48d507ba8c10c1cc750c6a9ae0e656df33eab32cbfda5313a8c9e3f2cd4bc7159ba21779566bfd7b4893ddc7d03fb991aa33c32b6077f6b55a809de861

  • SSDEEP

    49152:8of9rERmZQEgLaTUbS2TOQxaviYU85lRgg1vOup0J24MvvXZl03gS:8ofilpTlYQup0HqZu

Malware Config

Targets

    • Target

      be0c3c5f9610595a52ca4a79aa4619c0.exe

    • Size

      3MB

    • MD5

      be0c3c5f9610595a52ca4a79aa4619c0

    • SHA1

      77cb0b975b144792d5ab88c45400d92bb388f4a5

    • SHA256

      4e55151d81e24af0e44c7af3d5a3b9ddaf58591819736998b53d285028b654d3

    • SHA512

      50139d48d507ba8c10c1cc750c6a9ae0e656df33eab32cbfda5313a8c9e3f2cd4bc7159ba21779566bfd7b4893ddc7d03fb991aa33c32b6077f6b55a809de861

    • SSDEEP

      49152:8of9rERmZQEgLaTUbS2TOQxaviYU85lRgg1vOup0J24MvvXZl03gS:8ofilpTlYQup0HqZu

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

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

    • 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

    • Executes dropped EXE

    • 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