Analysis
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max time kernel
78s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
01-07-2022 04:17
Behavioral task
behavioral1
Sample
ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe
Resource
win10v2004-20220414-en
General
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Target
ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe
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Size
148KB
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MD5
3ecf5570135182164ad58082f45bd810
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SHA1
1d2620cd90ee414bbef359b69a228a68036cd2b2
-
SHA256
ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954
-
SHA512
262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc
Malware Config
Extracted
netwire
tubyeko.ddns.net:1363
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activex_autorun
false
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copy_executable
true
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delete_original
false
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install_path
%AppData%\Install\Host.exe
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lock_executable
false
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offline_keylogger
false
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password
cimala12345
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registry_autorun
true
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startup_name
NetWire
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use_mutex
false
Signatures
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NetWire RAT payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Install\Host.exe netwire \Users\Admin\AppData\Roaming\Install\Host.exe netwire \Users\Admin\AppData\Roaming\Install\Host.exe netwire -
Executes dropped EXE 1 IoCs
Processes:
Host.exepid process 964 Host.exe -
Loads dropped DLL 2 IoCs
Processes:
ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exepid process 1992 ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe 1992 ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Host.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ Host.exe Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" Host.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 4 IoCs
Processes:
ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exedescription pid process target process PID 1992 wrote to memory of 964 1992 ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe Host.exe PID 1992 wrote to memory of 964 1992 ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe Host.exe PID 1992 wrote to memory of 964 1992 ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe Host.exe PID 1992 wrote to memory of 964 1992 ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe Host.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe"C:\Users\Admin\AppData\Local\Temp\ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:964
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
148KB
MD53ecf5570135182164ad58082f45bd810
SHA11d2620cd90ee414bbef359b69a228a68036cd2b2
SHA256ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954
SHA512262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc
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Filesize
148KB
MD53ecf5570135182164ad58082f45bd810
SHA11d2620cd90ee414bbef359b69a228a68036cd2b2
SHA256ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954
SHA512262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc
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Filesize
148KB
MD53ecf5570135182164ad58082f45bd810
SHA11d2620cd90ee414bbef359b69a228a68036cd2b2
SHA256ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954
SHA512262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc