Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
17/04/2024, 13:04
General
- Target d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe
- Size 171KB
- Sample240417-qa75baaa3z
- SHA256 d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81
Malware Config
Extracted
-
netwire
-
sosclient.duckdns.org:9002
-
activex_autorun
true
-
activex_key
{OTGC73Q0-N4WA-4861-311L-BE075477ANH7}
-
copy_executable
false
-
delete_original
false
-
host_id
08-%Rand%
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lock_executable
true
-
mutex
stostmDW
-
offline_keylogger
false
-
password
10203010Aa
-
registry_autorun
true
-
startup_name
Windows defender
-
use_mutex
true
Signatures
- NetWire RAT payload 4 IoCs
- Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
- Modifies Installed Components in the registry 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 3 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe"C:\Users\Admin\AppData\Local\Temp\d15f99dbd30bae6e896c52a810fbcba080ae3ba76f3fc0d9a7761c5736ec7c81.exe"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundlll32.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
rundlll32.exe
memory/3332-19-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/3332-31-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/3332-30-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/3332-17-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/3332-16-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/3752-21-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/3752-22-0x0000000000EF0000-0x0000000000F00000-memory.dmp
memory/3752-23-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/3752-32-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/3752-33-0x0000000000EF0000-0x0000000000F00000-memory.dmp
memory/4076-24-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4076-26-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4076-29-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4076-34-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4888-18-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/4888-0-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/4888-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/4888-1-0x0000000001630000-0x0000000001640000-memory.dmp