Analysis

  • max time kernel
    1808s
  • max time network
    1824s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 19:58

General

  • Target

    bVPN_1_7_0_setup.exe

  • Size

    7.3MB

  • MD5

    2fa4cdaa23793a7db146ff2cc2f8b733

  • SHA1

    0f5db4c08a276c60dd689dd4b5837ecc66da1f10

  • SHA256

    5bb2af4f0e70623e1ce277a4cd0c0c27e51890541e34f0e9a1e5b81ce4a12324

  • SHA512

    dcda14c2464af765037e2803df5ee91ed9131ed262f28f49c051ebb9aef602ac95a3c6c3a8a6fd022c652dc5da7a7ba5edff96fed23c43cac1334878f3125be8

  • SSDEEP

    196608:WbiyFb1OkjwyTuN+d+aoxtqL8PlZT9/Yr254XQhd:4Fb179a8dpPLuZTRG2EId

Malware Config

Signatures

  • Drops file in Drivers directory 9 IoCs
  • Manipulates Digital Signatures 1 TTPs 2 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • Checks computer location settings 2 TTPs 6 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 36 IoCs
  • Loads dropped DLL 64 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 33 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 16 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Enumerates system info in registry 2 TTPs 15 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 24 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 6 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs