General

  • Target

    b50dfa45bfb293d4343f049fecbb54d5.exe

  • Size

    6.4MB

  • Sample

    230329-nmpsdsgb28

  • MD5

    b50dfa45bfb293d4343f049fecbb54d5

  • SHA1

    8ec00a40d8468de7e53d9fbc6b9858a1c44bcb20

  • SHA256

    3109866c62ea6c3e47a179d3ab3de093a6f938699b1ed83d8cbdfa7bfe92d169

  • SHA512

    26a0b90ad2f8c2869b94cb55a4aacf3a24dd10d442b0f979cb810249e5b7cd59da33f5dfb55764c62c4ce3e88e13d44c713d634623637d1456961c79418e8cbd

  • SSDEEP

    196608:uNLXVjqUGrKErcjVVVkfq9CCbLCsY7eU3oqLNkE:CLJqUGr9rcdkC9VbLeF3nLNkE

Malware Config

Targets

    • Target

      b50dfa45bfb293d4343f049fecbb54d5.exe

    • Size

      6.4MB

    • MD5

      b50dfa45bfb293d4343f049fecbb54d5

    • SHA1

      8ec00a40d8468de7e53d9fbc6b9858a1c44bcb20

    • SHA256

      3109866c62ea6c3e47a179d3ab3de093a6f938699b1ed83d8cbdfa7bfe92d169

    • SHA512

      26a0b90ad2f8c2869b94cb55a4aacf3a24dd10d442b0f979cb810249e5b7cd59da33f5dfb55764c62c4ce3e88e13d44c713d634623637d1456961c79418e8cbd

    • SSDEEP

      196608:uNLXVjqUGrKErcjVVVkfq9CCbLCsY7eU3oqLNkE:CLJqUGr9rcdkC9VbLeF3nLNkE

    • 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