Analysis
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max time kernel
138s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
25-12-2024 01:03
General
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Target
3def5685bcba5bde6993fc2a6dac2082ebdf0a608ed158bffcc0530692c9fb83.exe
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Size
842KB
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MD5
eee49c00db8227d3bba2e0a7bfede60e
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SHA1
a2cbdff93ffad0e944c4d7d807d72a97a681431c
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SHA256
3def5685bcba5bde6993fc2a6dac2082ebdf0a608ed158bffcc0530692c9fb83
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SHA512
3c8ae70b78f21a054c167f184288db9fc42876ad434465d4f1ef8aa6571215f41f1c6e6aeb2b118f0d1ba833092b51f2f78079dc24cb8cd987df928254636098
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SSDEEP
24576:rY/S04YNEMuExDiU6E5R9s8xY/2l/dFLbB83oIbt+rT:rY14auS+UjfU2TVb63oIbt+r
Malware Config
Extracted
orcus
127.0.0.1
b9b1f00b4fb14d0298e9777e900b7f5d
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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
12/22/2024 16:34:42
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plugins
AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgMQA2ADkAMAAyADgAYQAzADkAYQBjAGMANABiADkAZAA5ADUAZAA3ADgAYQA3AGUAZgA0ADcAZAA1ADgAMgBkAAEAAAACAg==
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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_request_highest_privileges
false
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try_other_autostart_onfail
false
Signatures
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Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
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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.
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Executes dropped EXE 1 IoCs
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Drops file in System32 directory 3 IoCs
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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 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 36 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3def5685bcba5bde6993fc2a6dac2082ebdf0a608ed158bffcc0530692c9fb83.exe"C:\Users\Admin\AppData\Local\Temp\3def5685bcba5bde6993fc2a6dac2082ebdf0a608ed158bffcc0530692c9fb83.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
224B
MD5e469dda91ae810a1f94c96060f3f8a65
SHA10b4b3b0f6f937016b1e045ce5313ee2a65a38630
SHA256d42fee8db8eb0e047ca53ad59b1c9bc69fe04993be36fec502e3532371908842
SHA5122eb4037361c03e195c642a53f55a3182a6df19903db503060e366f2394750e64ae04fdaace61ef5a6dba649defc88322d78edd2928bc53ebd1ce11d68cc88dac
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Filesize
597B
MD5c2291863df7c2d3038ce3c22fa276506
SHA17b7d2bc07a6c35523807342c747c9b6a19f3184e
SHA25614504199bede3f46129969dbd2b7680f2e5b7fcd73a3e427ce1bb6217a6d13da
SHA51200bf40174a67e3e663d18a887c5b461a1e5ead0b27f0a139d87969158c58f4ca72cfa5a731dda239356192ca4cb5ac6ae2b0e37401d534e686cabacd3cbee8fa
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Filesize
21KB
MD5e854a4636afc652b320e12e50ba4080e
SHA18a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc
SHA25694b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5
SHA51230aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118
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Filesize
128KB
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Filesize
9.6MB
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Filesize
624KB
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Filesize
4.8MB
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Filesize
144KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
96KB
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Filesize
4KB
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Filesize
584KB
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Filesize
40KB
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Filesize
4KB
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Filesize
136KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
48KB
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Filesize
304KB
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Filesize
32KB
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Filesize
864KB
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Filesize
5.6MB
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Filesize
1.8MB
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Filesize
64KB
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Filesize
40KB
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Filesize
4KB
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Filesize
7.7MB