Analysis

  • max time kernel
    150s
  • 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
    25-11-2024 01:23

General

  • Target

    057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe

  • Size

    15.0MB

  • MD5

    36da3c890e67303d1204ac52266ea80d

  • SHA1

    8aadb0fd59dbd9653590cc4bf9fbb73ae8444767

  • SHA256

    057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1

  • SHA512

    3b79d4e8dfe6061f708b3f62df9c95a64d9c97c9522ade741a3275e1380b0176675d34f621282eadb96dcfac8736a5a8ae1ed492d4233b508300d17d94b0260f

  • SSDEEP

    24576:0DPS04YNEMuExDiU6E5R9s8xY/2l/dVBeIbt+rPULW:0Dl4auS+UjfU2T3eIbt+rMLW

Malware Config

Extracted

Family

orcus

C2

147.185.221.23

communications-sugar.gl.at.ply.gg

Mutex

11ad7b9a9f3648a9919132ed4611b033

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

    11/18/2024 13:11:11

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgOAA0ADEANwA3ADYAMQA1ADgAYgBkADIANAAwADkAOQBiADIAZQAyADIAMgBjADkAZgAxAGYAMwAzAGYAMAA2AAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGEAZQBlAGIAYwBjAGUANwBkADAAZAAwADQANAA4ADEAYQA1AGYANwAxADAAMwBhAGYAOAAzADUAMAA2ADUAZQABAAAEBA==

  • 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

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

  • Orcus family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe
    "C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3636
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:32

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    15.0MB

    MD5

    36da3c890e67303d1204ac52266ea80d

    SHA1

    8aadb0fd59dbd9653590cc4bf9fbb73ae8444767

    SHA256

    057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1

    SHA512

    3b79d4e8dfe6061f708b3f62df9c95a64d9c97c9522ade741a3275e1380b0176675d34f621282eadb96dcfac8736a5a8ae1ed492d4233b508300d17d94b0260f

  • memory/32-29-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/32-28-0x0000000005E20000-0x0000000005E2A000-memory.dmp

    Filesize

    40KB

  • memory/32-27-0x0000000005940000-0x0000000005950000-memory.dmp

    Filesize

    64KB

  • memory/32-26-0x00000000059D0000-0x0000000005B92000-memory.dmp

    Filesize

    1.8MB

  • memory/32-25-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/32-23-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3636-7-0x0000000005D30000-0x0000000005D38000-memory.dmp

    Filesize

    32KB

  • memory/3636-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/3636-11-0x0000000005E10000-0x0000000005E5E000-memory.dmp

    Filesize

    312KB

  • memory/3636-8-0x0000000005DF0000-0x0000000005DF8000-memory.dmp

    Filesize

    32KB

  • memory/3636-6-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

    Filesize

    304KB

  • memory/3636-24-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3636-5-0x0000000005D50000-0x0000000005DE2000-memory.dmp

    Filesize

    584KB

  • memory/3636-4-0x0000000005F60000-0x0000000006504000-memory.dmp

    Filesize

    5.6MB

  • memory/3636-3-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3636-2-0x0000000003290000-0x000000000329A000-memory.dmp

    Filesize

    40KB

  • memory/3636-1-0x0000000000DF0000-0x0000000000ED6000-memory.dmp

    Filesize

    920KB