Analysis
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max time kernel
146s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 19:31
Static task
static1
Behavioral task
behavioral1
Sample
dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe
Resource
win10v2004-20220812-en
General
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Target
dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe
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Size
60KB
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MD5
fad3c7ee05d884b6ffd2d8fd85099da1
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SHA1
3b8a42f37cfc09ec503b9bb693b746ace833bb9b
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SHA256
dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d
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SHA512
a1633959ba1c9120da6a052404f779f87725fe799cc29c408da3529f0c937165e89f8174f8877e6c62617777b2c4799e5317dc705323140a8330401c1066b963
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SSDEEP
768:v3VT/QY7Dm0yqfPZTnXnYLHxYMHE7dVR7qz+LLls0r:vlT/QY7LyqfP5nXnYLHxYMHExD7qyr
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\security\\svchost.exe" dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\security\\svchost.exe" svchost.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" svchost.exe -
Disables Task Manager via registry modification
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Executes dropped EXE 1 IoCs
pid Process 4916 svchost.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ svchost.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wins\dhcp.dll svchost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\security\svchost.exe dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe File opened for modification C:\Windows\security\svchost.exe dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4916 svchost.exe 4916 svchost.exe 4916 svchost.exe 4916 svchost.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 4916 svchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4776 wrote to memory of 4916 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 80 PID 4776 wrote to memory of 4916 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 80 PID 4776 wrote to memory of 4916 4776 dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe"C:\Users\Admin\AppData\Local\Temp\dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d.exe"1⤵
- Modifies WinLogon for persistence
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Windows\security\svchost.exeC:\Windows\security\svchost.exe2⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60KB
MD5fad3c7ee05d884b6ffd2d8fd85099da1
SHA13b8a42f37cfc09ec503b9bb693b746ace833bb9b
SHA256dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d
SHA512a1633959ba1c9120da6a052404f779f87725fe799cc29c408da3529f0c937165e89f8174f8877e6c62617777b2c4799e5317dc705323140a8330401c1066b963
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Filesize
60KB
MD5fad3c7ee05d884b6ffd2d8fd85099da1
SHA13b8a42f37cfc09ec503b9bb693b746ace833bb9b
SHA256dce51de49018268ac0a764078657491afc1ba428e0107b94f1407902848eba0d
SHA512a1633959ba1c9120da6a052404f779f87725fe799cc29c408da3529f0c937165e89f8174f8877e6c62617777b2c4799e5317dc705323140a8330401c1066b963