General

  • Target

    4876d4f345981a20b761d4113e519d5a57e21d28c3d92462a3187665cc043d49

  • Size

    2.4MB

  • Sample

    211019-rt99fsgad5

  • MD5

    8d1492f906fe9d7849783d52cbb5953c

  • SHA1

    693e73f373872e3ec32957b63b4fc477fb1ad084

  • SHA256

    4876d4f345981a20b761d4113e519d5a57e21d28c3d92462a3187665cc043d49

  • SHA512

    18c8fdadc98029d72ac8350c5e48b0f0f7ba9fdee62774e3b6f981cc5f8b8b3e9992e091043adaeb0c653464b491988bb587f16554e7d96de0132795da20bcc3

Malware Config

Targets

    • Target

      4876d4f345981a20b761d4113e519d5a57e21d28c3d92462a3187665cc043d49

    • Size

      2.4MB

    • MD5

      8d1492f906fe9d7849783d52cbb5953c

    • SHA1

      693e73f373872e3ec32957b63b4fc477fb1ad084

    • SHA256

      4876d4f345981a20b761d4113e519d5a57e21d28c3d92462a3187665cc043d49

    • SHA512

      18c8fdadc98029d72ac8350c5e48b0f0f7ba9fdee62774e3b6f981cc5f8b8b3e9992e091043adaeb0c653464b491988bb587f16554e7d96de0132795da20bcc3

    • 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.

    • 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

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks