Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2024 01:29

General

  • Target

    ba7ba6fbad9c81858a47da22671f0c7a973c96357447f1ad5f71f7e63ec2f2ce.exe

  • Size

    875KB

  • MD5

    32717e0d2694ccec7bfbd3e99c8297cf

  • SHA1

    59ece44c9c73928769853f1a9bafe0ff47366cea

  • SHA256

    ba7ba6fbad9c81858a47da22671f0c7a973c96357447f1ad5f71f7e63ec2f2ce

  • SHA512

    604840f2b875c789411f4cb3f425ac24e97720a5c406b1f66c43430ca150531d01ca9d657a413c4f466b1432b3b2bc462e212f87b347e3782bcfe1afa3e59e96

  • SSDEEP

    24576:N9KS04YNEMuExDiU6E5R9s8xY/2l/dpN1Ibt+r6R:N9G4auS+UjfU2TX1Ibt+r0

Malware Config

Extracted

Family

orcus

Botnet

Boxbin

C2

5email-hitting.gl.at.ply.gg

Mutex

4e114467113140e7b68bcfc740ca663c

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

    11/08/2024 19:23:22

  • 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

    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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba7ba6fbad9c81858a47da22671f0c7a973c96357447f1ad5f71f7e63ec2f2ce.exe
    "C:\Users\Admin\AppData\Local\Temp\ba7ba6fbad9c81858a47da22671f0c7a973c96357447f1ad5f71f7e63ec2f2ce.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4976
    • 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
      • Suspicious use of SetWindowsHookEx
      PID:1840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    875KB

    MD5

    32717e0d2694ccec7bfbd3e99c8297cf

    SHA1

    59ece44c9c73928769853f1a9bafe0ff47366cea

    SHA256

    ba7ba6fbad9c81858a47da22671f0c7a973c96357447f1ad5f71f7e63ec2f2ce

    SHA512

    604840f2b875c789411f4cb3f425ac24e97720a5c406b1f66c43430ca150531d01ca9d657a413c4f466b1432b3b2bc462e212f87b347e3782bcfe1afa3e59e96

  • memory/1840-28-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/1840-27-0x0000000006370000-0x000000000637A000-memory.dmp

    Filesize

    40KB

  • memory/1840-26-0x0000000005D40000-0x0000000005D50000-memory.dmp

    Filesize

    64KB

  • memory/1840-25-0x0000000005DD0000-0x0000000005F92000-memory.dmp

    Filesize

    1.8MB

  • memory/1840-24-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/1840-22-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-4-0x0000000005DF0000-0x0000000006394000-memory.dmp

    Filesize

    5.6MB

  • memory/4976-10-0x0000000006810000-0x000000000685E000-memory.dmp

    Filesize

    312KB

  • memory/4976-7-0x0000000005D40000-0x0000000005DA6000-memory.dmp

    Filesize

    408KB

  • memory/4976-23-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-5-0x0000000005C30000-0x0000000005CC2000-memory.dmp

    Filesize

    584KB

  • memory/4976-6-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

    Filesize

    304KB

  • memory/4976-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

    Filesize

    4KB

  • memory/4976-3-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-2-0x00000000030B0000-0x00000000030BA000-memory.dmp

    Filesize

    40KB

  • memory/4976-1-0x0000000000D00000-0x0000000000DE0000-memory.dmp

    Filesize

    896KB