Overview

overview

10

Static

static

10

Sigmaalpha.exe

windows10-ltsc 2021-x64

10

Resubmissions

09-01-2025 16:41

250109-t64csawrek 10

09-01-2025 16:37

250109-t4tessvjh1 10

09-01-2025 16:31

250109-t1qjqswqdr 10

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General

  • Target

    Sigmaalpha.exe

  • Size

    839KB

  • Sample

    250109-t1qjqswqdr

  • MD5

    6f93bf5bd25cf58c2756121371d1bb3f

  • SHA1

    d7fdff4e6c355add9a58bf54d66d420c97f8a9a9

  • SHA256

    676fdc85814c991074766a302aca8f6ffbd3e35f6564b841cb712010ccd8d816

  • SHA512

    2def16daf5c7bfe838d4a9438554df2d07fd8d93c0d090e0d099b95a19e9f8b2aba3b810f845a4b90640856d6db0343c0335ef5eb288dc62ed4f22f806678e8e

  • SSDEEP

    24576:mBS04YNEMuExDiU6E5R9s8xY/2l/dGtnIbt+rn:mj4auS+UjfU2TGdIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

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

Targets

    • Target

      Sigmaalpha.exe

    • Size

      839KB

    • MD5

      6f93bf5bd25cf58c2756121371d1bb3f

    • SHA1

      d7fdff4e6c355add9a58bf54d66d420c97f8a9a9

    • SHA256

      676fdc85814c991074766a302aca8f6ffbd3e35f6564b841cb712010ccd8d816

    • SHA512

      2def16daf5c7bfe838d4a9438554df2d07fd8d93c0d090e0d099b95a19e9f8b2aba3b810f845a4b90640856d6db0343c0335ef5eb288dc62ed4f22f806678e8e

    • SSDEEP

      24576:mBS04YNEMuExDiU6E5R9s8xY/2l/dGtnIbt+rn:mj4auS+UjfU2TGdIbt+r

    Score
    10/10
    orcusdiscoveryratspywarestealer

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

      ratspywarestealerorcus

    • Orcus family

      orcus

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops desktop.ini file(s)

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks