Analysis

  • max time kernel
    149s
  • max time network
    157s
  • 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 01:11

General

  • Target

    da6cc38febbd89b0276aaa39e43ca4beae18db2563d3954958d09c7ce07d15b8.exe

  • Size

    1.0MB

  • MD5

    6af52570404e4ba88d83c268bb9da934

  • SHA1

    85765f1305efa0554c1624cdbcae3f91239a6a66

  • SHA256

    da6cc38febbd89b0276aaa39e43ca4beae18db2563d3954958d09c7ce07d15b8

  • SHA512

    5f3d2dbf8ee361ada96ee2c91f9b35397b3c5e692cb2bbf88b103b6c352c232622077e73847070c14418ed4c8689a6ae956ddedd6bd70b8cab702a795d5f6d2f

  • SSDEEP

    24576:4DPS04YNEMuExDiU6E5R9s8xY/2l/dVB8Ibt+rYhmpnncVy:4Dl4auS+UjfU2T38Ibt+rbpnoy

Malware Config

Extracted

Family

orcus

C2

147.185.221.23

communications-sugar.gl.at.ply.gg

Mutex

d031b9dd54b940159425126d47f2c06a

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

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgYQA0ADYAMQA1ADcAYgA2ADYAYgA1AGUANAA1AGEAZQBiADgAMQA1AGYAMgA0AGIAYgAzAGEAOQA3AGIANQA2AAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDEANgA1ADMANAA1ADcANgBlAGQAZQA5ADQAYgAxADUAYgBiAGQAYQBmAGQAOQBkADEAZAA1ADYAOAAzAGUAZQABAAAEBA==

  • 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\da6cc38febbd89b0276aaa39e43ca4beae18db2563d3954958d09c7ce07d15b8.exe
    "C:\Users\Admin\AppData\Local\Temp\da6cc38febbd89b0276aaa39e43ca4beae18db2563d3954958d09c7ce07d15b8.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4164
    • 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:4868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.0MB

    MD5

    6af52570404e4ba88d83c268bb9da934

    SHA1

    85765f1305efa0554c1624cdbcae3f91239a6a66

    SHA256

    da6cc38febbd89b0276aaa39e43ca4beae18db2563d3954958d09c7ce07d15b8

    SHA512

    5f3d2dbf8ee361ada96ee2c91f9b35397b3c5e692cb2bbf88b103b6c352c232622077e73847070c14418ed4c8689a6ae956ddedd6bd70b8cab702a795d5f6d2f

  • memory/4164-11-0x0000000005860000-0x00000000058AE000-memory.dmp

    Filesize

    312KB

  • memory/4164-5-0x00000000057A0000-0x0000000005832000-memory.dmp

    Filesize

    584KB

  • memory/4164-7-0x0000000005780000-0x0000000005788000-memory.dmp

    Filesize

    32KB

  • memory/4164-4-0x0000000005970000-0x0000000005F14000-memory.dmp

    Filesize

    5.6MB

  • memory/4164-1-0x0000000000830000-0x000000000092C000-memory.dmp

    Filesize

    1008KB

  • memory/4164-6-0x0000000005700000-0x000000000574C000-memory.dmp

    Filesize

    304KB

  • memory/4164-8-0x0000000005840000-0x0000000005848000-memory.dmp

    Filesize

    32KB

  • memory/4164-23-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4164-3-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4164-2-0x0000000005280000-0x000000000528A000-memory.dmp

    Filesize

    40KB

  • memory/4164-0-0x000000007445E000-0x000000007445F000-memory.dmp

    Filesize

    4KB

  • memory/4868-24-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-25-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-26-0x0000000006250000-0x0000000006412000-memory.dmp

    Filesize

    1.8MB

  • memory/4868-27-0x0000000006200000-0x0000000006210000-memory.dmp

    Filesize

    64KB

  • memory/4868-28-0x00000000066A0000-0x00000000066AA000-memory.dmp

    Filesize

    40KB

  • memory/4868-29-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB