Analysis
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max time kernel
136s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2024 19:58
Behavioral task
behavioral1
Sample
segseg.exe
Resource
win7-20241010-en
General
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Target
segseg.exe
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Size
839KB
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MD5
0994b37669146a1384224c18299c054f
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SHA1
cf9e3baf60db3b3813a87eaf8d1281105adab7f4
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SHA256
a83d873568dd41be58d05aa7085684f05793bde5d5c28a1b2070e3a5f16bbfb8
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SHA512
536162a78038e954bab16dd79284a71fa05faf69476a4cf7579c40b2446fe93b85889e00ee98c4087954bb498ae437634010b81b091a18c69488b6a68adf69da
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SSDEEP
24576:r+QS04YNEMuExDiU6E5R9s8xY/2l/dQIbt+rm:r+44auS+UjfU2TQIbt+r
Malware Config
Extracted
orcus
awegaweg
127.0.0.1
m5email-hitting.gl.at.ply.gg
325f1a6979b8439d8f6f8ffa11007658
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administration_rights_required
false
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anti_debugger
false
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anti_tcp_analyzer
false
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antivm
false
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autostart_method
1
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change_creation_date
false
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force_installer_administrator_privileges
false
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hide_file
false
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install
false
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installation_folder
%appdata%\Microsoft\Speech\AudioDriver.exe
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installservice
false
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keylogger_enabled
false
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newcreationdate
11/28/2024 20:57:44
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plugins
AgEAAA==
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reconnect_delay
10000
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registry_autostart_keyname
Audio HD Driver
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registry_hidden_autostart
false
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set_admin_flag
false
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tasksch_name
Audio HD Driver
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tasksch_request_highest_privileges
false
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try_other_autostart_onfail
false
Signatures
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Orcus family
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Disables Task Manager via registry modification
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation segseg.exe -
Executes dropped EXE 1 IoCs
pid Process 3380 AudioDriver.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 38 api.ipify.org 39 api.ipify.org -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 segseg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AudioDriver.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AudioDriver.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AudioDriver.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier AudioDriver.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3380 AudioDriver.exe Token: 33 3832 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3832 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe 3380 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3380 AudioDriver.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3380 AudioDriver.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4932 wrote to memory of 3380 4932 segseg.exe 83 PID 4932 wrote to memory of 3380 4932 segseg.exe 83 PID 4932 wrote to memory of 3380 4932 segseg.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\segseg.exe"C:\Users\Admin\AppData\Local\Temp\segseg.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932 -
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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3380
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵PID:2232
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4c0 0x5081⤵
- Suspicious use of AdjustPrivilegeToken
PID:3832
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
839KB
MD50994b37669146a1384224c18299c054f
SHA1cf9e3baf60db3b3813a87eaf8d1281105adab7f4
SHA256a83d873568dd41be58d05aa7085684f05793bde5d5c28a1b2070e3a5f16bbfb8
SHA512536162a78038e954bab16dd79284a71fa05faf69476a4cf7579c40b2446fe93b85889e00ee98c4087954bb498ae437634010b81b091a18c69488b6a68adf69da