Analysis

  • max time kernel
    11s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2024 09:25

General

  • Target

    PORUDZBENICA.exe

  • Size

    820KB

  • MD5

    5854b91e3d1ef91530f96c70c8425106

  • SHA1

    f6739b8f7d97012d8d21f94ef0116b860b120b9c

  • SHA256

    5fb792bb1793ff9314b4a3a4d3f8e267f9b833ae9467b42f0bd7df012de5d0f0

  • SHA512

    1fb6e0cf17dfef6945b11fc4d5faed2a926826b64be1a76add384dc51fcd1f0c76bb8e722bcc32e2b5d0d43e807132762048e48b8fdaf42def346b53dbd685d5

  • SSDEEP

    24576:TG+yYqTgm8Lt7VUD7LE8oy9jRKta3uja581CV:66eJKUD7L7o/aT

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe
    "C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe
      "C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe"
      2⤵
        PID:1320

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nssB305.tmp\System.dll

      Filesize

      12KB

      MD5

      192639861e3dc2dc5c08bb8f8c7260d5

      SHA1

      58d30e460609e22fa0098bc27d928b689ef9af78

      SHA256

      23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6

      SHA512

      6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc

    • C:\Windows\Resources\primy.ini

      Filesize

      33B

      MD5

      76d9175a3db7407eb0bfc3c07ddcd9d2

      SHA1

      72071127e9a44935cb02650ed715ccaf6a8f8418

      SHA256

      1f7119996dd17af05bf05e497104715bbbc3909676afa4329fbd59502be1a1a5

      SHA512

      5032dab71e70a4bd1dad2f5cf9380e0097be7993bc46886fed6e4bdd8781f2b10d31338d90d0dc5804665bda2cbfe93f1172250e1a8ab7c9118baf9f156e3c69

    • memory/1320-23250-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23264-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/1320-23252-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/1320-23262-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23241-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23242-0x0000000001660000-0x00000000020C9000-memory.dmp

      Filesize

      10.4MB

    • memory/1320-23243-0x0000000077DB8000-0x0000000077DB9000-memory.dmp

      Filesize

      4KB

    • memory/1320-23244-0x0000000077DD5000-0x0000000077DD6000-memory.dmp

      Filesize

      4KB

    • memory/1320-23248-0x0000000001660000-0x00000000020C9000-memory.dmp

      Filesize

      10.4MB

    • memory/1320-23251-0x0000000077D31000-0x0000000077E51000-memory.dmp

      Filesize

      1.1MB

    • memory/1320-23263-0x0000000001660000-0x00000000020C9000-memory.dmp

      Filesize

      10.4MB

    • memory/1320-23259-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23249-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23253-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23254-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/1320-23255-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23256-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23257-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1320-23258-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/1752-23238-0x0000000077D31000-0x0000000077E51000-memory.dmp

      Filesize

      1.1MB

    • memory/1752-23239-0x0000000074A25000-0x0000000074A26000-memory.dmp

      Filesize

      4KB

    • memory/1752-23240-0x0000000002EE0000-0x0000000003949000-memory.dmp

      Filesize

      10.4MB

    • memory/1752-23237-0x0000000002EE0000-0x0000000003949000-memory.dmp

      Filesize

      10.4MB