Analysis
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max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08/09/2024, 03:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe
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Size
2.9MB
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MD5
a618b3623bd8253004d7be9690ed9601
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SHA1
9ab89d5a7d6fa25bbbedf544aa661b16e5075295
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SHA256
724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa
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SHA512
73042b3dbb1383910c5bb1b52a42d83876396410be46edbe6c86f88ac6a069de36ad5d397e4321e758f3005f40ff6fd6232466358ff9cebfe77c4fa5e292c473
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SSDEEP
24576:a2Fu/HGcDdQwWH+7aU2E0lFgG9XqcSUXI+SwBeSwtPpoc+yu0cjZxY6jRt5oHkvl:Vu/dUpCw4SIjcP0idTfTXE5JJ7g97H
Score
10/10
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 = "C:\\Windows\\explorer.exe, c:\\windows\\wininit.exe" wininit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\wininit.exe" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wininit.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" spoolsv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" spoolsv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" spoolsv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" wininit.exe -
Executes dropped EXE 3 IoCs
pid Process 1932 wininit.exe 1500 spoolsv.exe 1668 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 1932 wininit.exe 1500 spoolsv.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Svchost = "c:\\windows\\svchost.exe" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Wininit = "c:\\windows\\wininit.exe" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" spoolsv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" wininit.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA spoolsv.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\Wininit 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe File created \??\c:\windows\wininit.exe 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe File opened for modification \??\c:\windows\wininit.exe 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe File opened for modification \??\c:\windows\wininit.exe wininit.exe File created \??\c:\windows\svchost.exe spoolsv.exe File opened for modification \??\c:\windows\svchost.exe spoolsv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wininit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1964 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe 1500 spoolsv.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe 1932 wininit.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1932 wininit.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1932 1964 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe 30 PID 1964 wrote to memory of 1932 1964 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe 30 PID 1964 wrote to memory of 1932 1964 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe 30 PID 1964 wrote to memory of 1932 1964 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe 30 PID 1932 wrote to memory of 1500 1932 wininit.exe 31 PID 1932 wrote to memory of 1500 1932 wininit.exe 31 PID 1932 wrote to memory of 1500 1932 wininit.exe 31 PID 1932 wrote to memory of 1500 1932 wininit.exe 31 PID 1500 wrote to memory of 1668 1500 spoolsv.exe 32 PID 1500 wrote to memory of 1668 1500 spoolsv.exe 32 PID 1500 wrote to memory of 1668 1500 spoolsv.exe 32 PID 1500 wrote to memory of 1668 1500 spoolsv.exe 32 -
System policy modification 1 TTPs 12 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" spoolsv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" spoolsv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" spoolsv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" wininit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe"C:\Users\Admin\AppData\Local\Temp\724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa.exe"1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1964 -
C:\windows\wininit.exe"C:\windows\wininit.exe"2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1932 -
C:\Users\Admin\appdata\roaming\spoolsv.exe"C:\Users\Admin\appdata\roaming\spoolsv.exe" /SE3⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1500 -
C:\windows\svchost.exe"C:\windows\svchost.exe"4⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- System policy modification
PID:1668
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
5Replay Monitor
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Downloads
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Filesize
2.9MB
MD5a618b3623bd8253004d7be9690ed9601
SHA19ab89d5a7d6fa25bbbedf544aa661b16e5075295
SHA256724e46bf19f3ec8eb5e16cb78a2e508576ea28e3459a4880c6ae05560798defa
SHA51273042b3dbb1383910c5bb1b52a42d83876396410be46edbe6c86f88ac6a069de36ad5d397e4321e758f3005f40ff6fd6232466358ff9cebfe77c4fa5e292c473