Analysis
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max time kernel
149s -
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
30-12-2024 01:10
Behavioral task
behavioral1
Sample
cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe
Resource
win7-20240903-en
General
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Target
cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe
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Size
840KB
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MD5
8782eb20d30063d16cb1a863abde53bf
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SHA1
a2ea52cb1a34e50dfea8a1c15036f1331b19059b
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SHA256
cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134
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SHA512
a5921c215d8e0c6f9b6febe247643db5c97c611b6c52b5ba3ec4c44a6aee2903496b9ae968cc7e5819c404680752b944309a9b53fc80426c939009c7a11ae453
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SSDEEP
24576:6p3S04YNEMuExDiU6E5R9s8xY/2l/dNN1Ibt+rI:6pt4auS+UjfU2TL1Ibt+r
Malware Config
Extracted
orcus
/week-twice.gl.at.ply.gg
d64295ec31d4429abd23cb369544a4e0
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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
12/29/2024 00:26:48
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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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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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe -
Executes dropped EXE 1 IoCs
pid Process 2248 AudioDriver.exe -
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 cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AudioDriver.exe -
Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe 2248 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2248 AudioDriver.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4644 wrote to memory of 2248 4644 cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe 84 PID 4644 wrote to memory of 2248 4644 cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe 84 PID 4644 wrote to memory of 2248 4644 cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe"C:\Users\Admin\AppData\Local\Temp\cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4644 -
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:2248
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
840KB
MD58782eb20d30063d16cb1a863abde53bf
SHA1a2ea52cb1a34e50dfea8a1c15036f1331b19059b
SHA256cc07c1906162fbeb46c77125d3b0bcc61824c4957cb42225ba2589d70574a134
SHA512a5921c215d8e0c6f9b6febe247643db5c97c611b6c52b5ba3ec4c44a6aee2903496b9ae968cc7e5819c404680752b944309a9b53fc80426c939009c7a11ae453