Overview

overview

10

Static

static

7

Risxn_Priv...et.exe

windows7-x64

10

Risxn_Priv...et.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Risxn_Private_Pallet.exe

  • Size

    3.1MB

  • Sample

    240426-kzqcxadb62

  • MD5

    bb5b870cffc2d08913a0c7eb31bb2ebb

  • SHA1

    de4f7be6897099ab5627ccb6a8941d4fa23ac482

  • SHA256

    e7d3d62b1e8737f1e020147c9bca9476cf0920f86d1ad66baffc5cbc72b500f5

  • SHA512

    0461c348bde55c5c52d8f35ba7700d851ad1183566515fd35f945e7d41a3ed1e08a32572a645eec7087501cabff22feaab1d9843d47ddf863760c9a644a83b28

  • SSDEEP

    49152:3XzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVDAw6MB8J:3XzhW148Pd+Tf1mpcOldJQ3/V6qG

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      Risxn_Private_Pallet.exe

    • Size

      3.1MB

    • MD5

      bb5b870cffc2d08913a0c7eb31bb2ebb

    • SHA1

      de4f7be6897099ab5627ccb6a8941d4fa23ac482

    • SHA256

      e7d3d62b1e8737f1e020147c9bca9476cf0920f86d1ad66baffc5cbc72b500f5

    • SHA512

      0461c348bde55c5c52d8f35ba7700d851ad1183566515fd35f945e7d41a3ed1e08a32572a645eec7087501cabff22feaab1d9843d47ddf863760c9a644a83b28

    • SSDEEP

      49152:3XzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVDAw6MB8J:3XzhW148Pd+Tf1mpcOldJQ3/V6qG

    Score
    10/10
    evasionpersistencethemidatrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

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

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks