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
    06-11-2024 14:39

General

  • Target

    d539aa17bfa95bc25c81308a99a1c834cb28ad23f1ce8bc3715066471bd5d0f7.exe

  • Size

    804KB

  • MD5

    c56f440f15955f0cae85df17d5a52140

  • SHA1

    3c5c933bf8b68b04f621a5c70c9562d06e857bbd

  • SHA256

    d539aa17bfa95bc25c81308a99a1c834cb28ad23f1ce8bc3715066471bd5d0f7

  • SHA512

    7b191331b52c99ab9bac9c12be29d59f7efb705d4af1efdee2d05b887143398e8442f11664ae4c4b6716ecff2a729a5496b04c6f9e3fbc97e211d2b50c86312c

  • SSDEEP

    24576:qG+yqROz6skIpE2NVPl7LE8oy9jRKta3uja581CL:NMRnsn1NVt7L7o/ap

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\d539aa17bfa95bc25c81308a99a1c834cb28ad23f1ce8bc3715066471bd5d0f7.exe
    "C:\Users\Admin\AppData\Local\Temp\d539aa17bfa95bc25c81308a99a1c834cb28ad23f1ce8bc3715066471bd5d0f7.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:4668
    • C:\Users\Admin\AppData\Local\Temp\d539aa17bfa95bc25c81308a99a1c834cb28ad23f1ce8bc3715066471bd5d0f7.exe
      "C:\Users\Admin\AppData\Local\Temp\d539aa17bfa95bc25c81308a99a1c834cb28ad23f1ce8bc3715066471bd5d0f7.exe"
      2⤵
        PID:3592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nse9CED.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/3592-23242-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/3592-23244-0x0000000001660000-0x0000000004742000-memory.dmp

      Filesize

      48.9MB

    • memory/3592-23245-0x0000000000400000-0x0000000001654000-memory.dmp

      Filesize

      18.3MB

    • memory/4668-23237-0x0000000002F50000-0x0000000006032000-memory.dmp

      Filesize

      48.9MB

    • memory/4668-23241-0x00000000746A0000-0x00000000746A7000-memory.dmp

      Filesize

      28KB

    • memory/4668-23240-0x00000000746A5000-0x00000000746A6000-memory.dmp

      Filesize

      4KB

    • memory/4668-23239-0x00000000779B1000-0x0000000077AD1000-memory.dmp

      Filesize

      1.1MB

    • memory/4668-23238-0x0000000002F50000-0x0000000006032000-memory.dmp

      Filesize

      48.9MB

    • memory/4668-23243-0x0000000002F50000-0x0000000006032000-memory.dmp

      Filesize

      48.9MB