Analysis
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max time kernel
599s -
max time network
601s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
21-04-2024 10:30
General
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Target
Extreme Injector v3.exe
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Size
1.9MB
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MD5
8a85b1dbf679febd30fe2f55a811de58
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SHA1
d06b7f96415b1ff21adff49ecd84b7b06f01fe6e
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SHA256
cfe2e6d9739a3251ed06594563f1d66e9dd018b3c74a96ca3734cca7880fb105
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SHA512
9b9ba49b1bc4ef056ade2146ad915eeba819485d49dd2825b4f914b68ec572304c8138f1c202508f40a0e8db8c6443270da333e323d631b27897edf915fefabf
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SSDEEP
49152:d4FdetMVCK1LVXXQezP3+Wgm18VeWo/Wz3XEVM:udkCCK3XXQO18VeWJLE
Malware Config
Extracted
orcus
s7vety-47274.portmap.host:47274
2dfc3c3857c0466484c2056fcb13e0c9
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autostart_method
Registry
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enable_keylogger
false
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install_path
%temp%\Windows Updater\updateclient.exe
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reconnect_delay
10000
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registry_keyname
WindowsUpdater
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
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Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
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Orcus main payload 1 IoCs
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Orcurs Rat Executable 2 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 7 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe"C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Update.exe"C:\Users\Admin\AppData\Local\Temp\Update.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install3⤵
- Executes dropped EXE
- Drops file in System32 directory
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3_or.exe"C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3_or.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.9MB
MD5ec801a7d4b72a288ec6c207bb9ff0131
SHA132eec2ae1f9e201516fa7fcdc16c4928f7997561
SHA256b65f40618f584303ca0bcf9b5f88c233cc4237699c0c4bf40ba8facbe8195a46
SHA512a07dd5e8241de73ce65ff8d74acef4942b85fc45cf6a7baafd3c0f9d330b08e7412f2023ba667e99b40e732a65e8fb4389f7fe73c7b6256ca71e63afe46cdcac
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Filesize
918KB
MD58c6658a8808482bfab2b8ac9840f9e51
SHA1c941721888b49c97c456af1b195a4018e4edeb0c
SHA25695abbef690302956860c174bfa7ee8764f5d4379a2e13a6fd7c945ab2fd113a0
SHA5124fe5a5cbf4baa919320ce2736cdac33e273719272ce76233466e98d334e94a33c8402b8656f35d4d099e3495370953fda1f943cfe07774551420eff004d3172d
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
10.8MB
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Filesize
64KB
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Filesize
10.8MB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
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Filesize
1.9MB
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Filesize
240KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
1.0MB
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Filesize
64KB
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Filesize
64KB
-
Filesize
10.8MB
-
Filesize
10.8MB
-
Filesize
9.6MB
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Filesize
664KB
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Filesize
9.6MB
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Filesize
64KB
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Filesize
9.6MB
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Filesize
392KB
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Filesize
64KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
48KB
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Filesize
72KB
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Filesize
10.8MB
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Filesize
1.8MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
312KB
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Filesize
10.8MB
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Filesize
96KB
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Filesize
72KB
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Filesize
944KB
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Filesize
56KB
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Filesize
10.8MB
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Filesize
368KB
-
Filesize
64KB
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Filesize
10.8MB
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Filesize
32KB