Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
11/01/2024, 04:33
Static task
static1
Behavioral task
behavioral1
Sample
528b4c4307866d3cc00993d2b9f940b9.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
528b4c4307866d3cc00993d2b9f940b9.exe
Resource
win10v2004-20231215-en
General
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Target
528b4c4307866d3cc00993d2b9f940b9.exe
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Size
36KB
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MD5
528b4c4307866d3cc00993d2b9f940b9
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SHA1
9ebbc4019e727afd35dc6da2cd5e7c90e847b570
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SHA256
005ceb9ec9ea4d0787ed4af5e00fe4fe8fa37181447842271d42a7298f877346
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SHA512
a288249c60a6cb1deeeae31658cdaf7f99eee73160f6b1d45c4c66a4ac2ea43b338c8de62d23f75d56eb4ffd445064f213de4338f67f92e3c7baa37261e2c595
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SSDEEP
768:qBaskb/svY73m3+68gcBYaeQVQI3DV7kYzVNNMfcszkXcyWVZy:qBm/svY7346BYaeQGI3DV4YzVsx
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\WINDOWS\\winlogon.exe" 528b4c4307866d3cc00993d2b9f940b9.exe -
Modifies firewall policy service 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 528b4c4307866d3cc00993d2b9f940b9.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\WINDOWS\winlogon.exe = "C:\\WINDOWS\\winlogon.exe" 528b4c4307866d3cc00993d2b9f940b9.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\WINDOWS\SysWOW64\MSWINSCK.OCX 528b4c4307866d3cc00993d2b9f940b9.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2104 528b4c4307866d3cc00993d2b9f940b9.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1