Overview

overview

10

Static

static

10

Sigmaalpha.exe

windows11-21h2-x64

Resubmissions

09/01/2025, 16:41

250109-t64csawrek10

09/01/2025, 16:37

250109-t4tessvjh110

09/01/2025, 16:31

250109-t1qjqswqdr10

Sharing

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General

  • Target
    Sigmaalpha.exe
  • Size 839KB
  • Sample250109-t64csawrek
  • SHA256 676fdc85814c991074766a302aca8f6ffbd3e35f6564b841cb712010ccd8d816
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
ratorcus

Malware Config

Extracted

Family

  • orcus

C2

  • ?sleepyyasian-37412.portmap.host

Mutex

  • 2090259f0fa14cd3a6f3cc0c0c16b96e

Attributes
  • administration_rights_required

    false

  • anti_debugger

    false

  • anti_tcp_analyzer

    false

  • antivm

    false

  • autostart_method

    1

  • change_creation_date

    false

  • force_installer_administrator_privileges

    false

  • hide_file

    false

  • install

    false

  • installation_folder

    %appdata%\Microsoft\Speech\AudioDriver.exe

  • installservice

    false

  • keylogger_enabled

    false

  • newcreationdate

    01/09/2025 13:00:20

  • plugins

    AgEAAA==

  • reconnect_delay

    10000

  • registry_autostart_keyname

    Audio HD Driver

  • registry_hidden_autostart

    false

  • set_admin_flag

    false

  • tasksch_name

    Audio HD Driver

  • tasksch_request_highest_privileges

    false

  • try_other_autostart_onfail

    false

aes.plain

Signatures

  • Orcus family
    orcus
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Sigmaalpha.exe
    .exe 839KB

Sigmaalpha.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 676fdc85814c991074766a302aca8f6ffbd3e35f6564b841cb712010ccd8d816
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86arch:x86

  • Unsigned PE

    Checks for missing Authenticode signature.

Password
1234
Minor OS version
0
Major OS version
4
Entry point
865102
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths