Analysis
- max time kernel
61s - max time network
64s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
27/02/2022, 12:13
Static task
static1
Behavioral task
behavioral1
Sample
yil sonu faturasi.exe
Resource
win7-20220223-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
yil sonu faturasi.exe
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
- Target yil sonu faturasi.exe
- Size 480KB
- Sample220227-pdscladecm
- SHA256 5a44280ac5e2f55bf63e4b569b1487ee8ac710b444da6824f1d066b76ef803af
- MD5 e511c377f02dd0a3d116dfcf21daa799
- SHA1 2a2347aab255b382f22eaf525ef16352bce57c25
- SHA512 0317737e76222905078e5cd2fef6449a69693a9fec4fc02fb297ad85c18dd4b30afaf2da86459592b6c13eeb02c51637c74ffce6b076f8221fada671c30774a0
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
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netwire
C2
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zlantan1234.duckdns.org:32141
Attributes
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activex_autorun
true
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activex_key
{7BQ7E2JF-5M67-4K34-HOJY-OD7U3GOU5A0N}
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copy_executable
true
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delete_original
false
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host_id
zlantan
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install_path
%AppData%\Install\Host.exe
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keylogger_dir
%AppData%\Logs\
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lock_executable
false
- mutex
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offline_keylogger
true
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password
goodwork1985
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registry_autorun
true
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startup_name
NetWire
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use_mutex
false
Signatures
- NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/memory/1560-135-0x0000000000400000-0x0000000000479000-memory.dmp netwire behavioral2/memory/1560-137-0x0000000000400000-0x0000000000425000-memory.dmp netwire - Executes dropped EXE 2 IoCs
pid Process 672 Host.exe 4064 Host.exe - Modifies Installed Components in the registry 2 TTPs
- 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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation yil sonu faturasi.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ Host.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" Host.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 556 yil sonu faturasi.exe 1560 yil sonu faturasi.exe 1560 yil sonu faturasi.exe 672 Host.exe 4064 Host.exe 4064 Host.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 556 set thread context of 1560 556 yil sonu faturasi.exe 68 PID 672 set thread context of 4064 672 Host.exe 73 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 556 yil sonu faturasi.exe 672 Host.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 556 wrote to memory of 1560 556 yil sonu faturasi.exe 68 PID 556 wrote to memory of 1560 556 yil sonu faturasi.exe 68 PID 556 wrote to memory of 1560 556 yil sonu faturasi.exe 68 PID 1560 wrote to memory of 672 1560 yil sonu faturasi.exe 72 PID 1560 wrote to memory of 672 1560 yil sonu faturasi.exe 72 PID 1560 wrote to memory of 672 1560 yil sonu faturasi.exe 72 PID 672 wrote to memory of 4064 672 Host.exe 73 PID 672 wrote to memory of 4064 672 Host.exe 73 PID 672 wrote to memory of 4064 672 Host.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\yil sonu faturasi.exe"C:\Users\Admin\AppData\Local\Temp\yil sonu faturasi.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Users\Admin\AppData\Local\Temp\yil sonu faturasi.exe"C:\Users\Admin\AppData\Local\Temp\yil sonu faturasi.exe"2⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4064
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