Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2024 02:43

General

  • Target

    5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe

  • Size

    504KB

  • MD5

    7d0910b695d11385096aa287aa616fa1

  • SHA1

    bab632ec687ba8b45cc29a29ca675ee5e05a48d2

  • SHA256

    5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c

  • SHA512

    7ad728a01047eeac9060184d43cd9f4e4d286a103a14b5296f3600dc6631a5d959ebbbc5d08988c5c95726dce9920da78a724471b5547a85fcf2b35a9d358129

  • SSDEEP

    12288:/5K2KbDXd0+PJdFuvJujrJH7Qshco9VXHtdIaLDjnm:82Um+jFgk1HcsW0hIaLDjn

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 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 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe
    "C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe
      "C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsjD6A.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • memory/1504-27-0x0000000003A50000-0x0000000006C7A000-memory.dmp

    Filesize

    50.2MB

  • memory/1504-28-0x0000000077951000-0x0000000077A52000-memory.dmp

    Filesize

    1.0MB

  • memory/1504-29-0x0000000077950000-0x0000000077AF9000-memory.dmp

    Filesize

    1.7MB

  • memory/1504-30-0x0000000003A50000-0x0000000006C7A000-memory.dmp

    Filesize

    50.2MB

  • memory/1504-31-0x0000000003A50000-0x0000000006C7A000-memory.dmp

    Filesize

    50.2MB

  • memory/2652-32-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2652-33-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB