Analysis
-
max time kernel
145s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 01:04
Behavioral task
behavioral1
Sample
cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe
Resource
win10v2004-20241007-en
General
-
Target
cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe
-
Size
839KB
-
MD5
d20869b35a6fb9f181dc32ea1125aed4
-
SHA1
950758ac45697bd6b6af02b0a52e61cd8a472bb5
-
SHA256
cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac
-
SHA512
399463df0ae2c215ab5c76feef3aa0dd9f2f0d823cc8d4241b55fd5be8de58b1ddc7633f77edd997986dbb880e8a6b7d9966d77cc4d02071496d6ad8faa00103
-
SSDEEP
24576:ZZS04YNEMuExDiU6E5R9s8xY/2l/dWtnIbt+rD:Zb4auS+UjfU2TWdIbt+r
Malware Config
Extracted
orcus
192.168.1.105
tcp://5.tcp.eu.ngrok.io:19802
fd5ef57fc0314679858a399cd066b75e
-
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
01/03/2025 20:09:27
-
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
Signatures
-
Orcus family
-
Executes dropped EXE 1 IoCs
pid Process 1692 AudioDriver.exe -
Loads dropped DLL 1 IoCs
pid Process 1668 cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AudioDriver.exe -
Suspicious behavior: EnumeratesProcesses 39 IoCs
pid Process 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe 1692 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1692 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1692 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1692 AudioDriver.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1668 wrote to memory of 1692 1668 cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe 31 PID 1668 wrote to memory of 1692 1668 cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe 31 PID 1668 wrote to memory of 1692 1668 cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe 31 PID 1668 wrote to memory of 1692 1668 cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe"C:\Users\Admin\AppData\Local\Temp\cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668 -
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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1692
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
839KB
MD5d20869b35a6fb9f181dc32ea1125aed4
SHA1950758ac45697bd6b6af02b0a52e61cd8a472bb5
SHA256cb825ebfac30b90d899777990c15d4cf8cdfb5c5df0be3dc7d6bf22ebd6490ac
SHA512399463df0ae2c215ab5c76feef3aa0dd9f2f0d823cc8d4241b55fd5be8de58b1ddc7633f77edd997986dbb880e8a6b7d9966d77cc4d02071496d6ad8faa00103