Overview

overview

10

Static

static

10

Sigma boy.exe

windows7-x64

10

Sigma boy.exe

windows10-2004-x64

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General

  • Target

    Sigma boy.exe

  • Size

    839KB

  • Sample

    241217-3jh8rssndv

  • MD5

    5ff4807e24e3435c8e2d88be60086109

  • SHA1

    3724453097aa75f412094aa9d72d53be07e99ef6

  • SHA256

    227befcbc16bcd69e4f1b9b634492eba0c952e06b9ed94b199edce3804b84f51

  • SHA512

    0f4a80c5e26b87bb5223d509111c9401ce763fd4f5bfb845ef8cbfde1bfbe0e71c33bc594b4a842948fca731b02a106e138eaec017505bab6b8a454303d71032

  • SSDEEP

    24576:BpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rP:BL4auS+UjfU2TmdIbt+r

Score
10/10
orcusdiscoveryevasionpersistenceransomwareratspywarestealertrojan

Malware Config

Extracted

Family

orcus

C2

147.185.221.24

Mutex

6dca1f42faa743d681c44618578d8050

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

    12/17/2024 15:29:42

  • 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

      Sigma boy.exe

    • Size

      839KB

    • MD5

      5ff4807e24e3435c8e2d88be60086109

    • SHA1

      3724453097aa75f412094aa9d72d53be07e99ef6

    • SHA256

      227befcbc16bcd69e4f1b9b634492eba0c952e06b9ed94b199edce3804b84f51

    • SHA512

      0f4a80c5e26b87bb5223d509111c9401ce763fd4f5bfb845ef8cbfde1bfbe0e71c33bc594b4a842948fca731b02a106e138eaec017505bab6b8a454303d71032

    • SSDEEP

      24576:BpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rP:BL4auS+UjfU2TmdIbt+r

    Score
    10/10
    orcusdiscoveryratspywarestealerevasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Orcus

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

      ratspywarestealerorcus

    • Orcus family

      orcus

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Modifies WinLogon

      persistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks