General

  • Target

    4ca7db129091a1a0a8c7babdc0851cd1f56a0afce09db54776a5862a89daae15.exe

  • Size

    161KB

  • Sample

    241206-lnrl9s1mat

  • MD5

    85e4320221408f8475e1337d3d4df3ac

  • SHA1

    702da4350473dc5a3e7c6d1f0c7899fce0ffeb42

  • SHA256

    4ca7db129091a1a0a8c7babdc0851cd1f56a0afce09db54776a5862a89daae15

  • SHA512

    c7fac650d78662d518d8a5d2e57131f82805c766256b71e55fd9bec2bfaf607abea80ac4c08630f23e31df247ef28b20f5bad77915d76eb5506f3351666fcb00

  • SSDEEP

    3072:nd3SoRYw/VXW80KeQoBWIJ0xKAG50NlQvh+5v4Ty2b1Nm:nZSo75WCvoBL/AGF0yb1N

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

      4ca7db129091a1a0a8c7babdc0851cd1f56a0afce09db54776a5862a89daae15.exe

    • Size

      161KB

    • MD5

      85e4320221408f8475e1337d3d4df3ac

    • SHA1

      702da4350473dc5a3e7c6d1f0c7899fce0ffeb42

    • SHA256

      4ca7db129091a1a0a8c7babdc0851cd1f56a0afce09db54776a5862a89daae15

    • SHA512

      c7fac650d78662d518d8a5d2e57131f82805c766256b71e55fd9bec2bfaf607abea80ac4c08630f23e31df247ef28b20f5bad77915d76eb5506f3351666fcb00

    • SSDEEP

      3072:nd3SoRYw/VXW80KeQoBWIJ0xKAG50NlQvh+5v4Ty2b1Nm:nZSo75WCvoBL/AGF0yb1N

    • 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