General

  • Target

    extracted_payload.exe.bin.exe

  • Size

    204KB

  • Sample

    241206-lnrl9sxjgq

  • MD5

    d45f2292784bc9e8a19d093e9950673f

  • SHA1

    7c4e46b465680ef32ff55fc17916a5f4f6f9dbd5

  • SHA256

    a2763124af5630502ace78bd406f0ff15ba6701b29fe38a6a3d60c1e65e9ce73

  • SHA512

    a14cbac8377689b06c126c3ee71cc79c8b06e1650ecf0d29c7963425d1842dafb0fd6e1a66df1411cec487f6dcc5b696ee3d7a3f623773be61fd0b7a96646989

  • SSDEEP

    3072:BhRxII30n0gihoSUgmGoQkrCMOsiDnwKH5OD1shB8t7ARD:nD0nxiWSUgPk5iD5BXR

Malware Config

Extracted

Family

xenorat

C2

96.126.118.61

Mutex

Microsoft Windows_3371808

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    svchost.exe

Targets

    • Target

      extracted_payload.exe.bin.exe

    • Size

      204KB

    • MD5

      d45f2292784bc9e8a19d093e9950673f

    • SHA1

      7c4e46b465680ef32ff55fc17916a5f4f6f9dbd5

    • SHA256

      a2763124af5630502ace78bd406f0ff15ba6701b29fe38a6a3d60c1e65e9ce73

    • SHA512

      a14cbac8377689b06c126c3ee71cc79c8b06e1650ecf0d29c7963425d1842dafb0fd6e1a66df1411cec487f6dcc5b696ee3d7a3f623773be61fd0b7a96646989

    • SSDEEP

      3072:BhRxII30n0gihoSUgmGoQkrCMOsiDnwKH5OD1shB8t7ARD:nD0nxiWSUgPk5iD5BXR

    • XenorRat

      XenorRat is a remote access trojan written in C#.

    • Xenorat family

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

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks