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Analysis
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max time kernel
133s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
08/08/2024, 11:04
Static task
static1
Behavioral task
behavioral1
Sample
creepypasta virus.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
creepypasta virus.exe
Resource
win10v2004-20240802-en
General
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Target
creepypasta virus.exe
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Size
73.1MB
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MD5
fafedc86e931a34ae8880b62913ec8b8
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SHA1
d9c8a5264941f66446e1ed5831d9fd58527160c7
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SHA256
ff8ba81e6c8558f793a41355f5a88dda5cb0fc17f5fb601912ea7e421ca469e4
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SHA512
d4182c3cd900433608ad288a3f5b09402396cdf76ee0fe51b335c5fe6c9639655c7970102fe2237d0812a18dcb2e5f21991628e6ea19fb2ed4a31f1cce9479b4
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SSDEEP
1572864:EWWQfapBZJbujGp5AuYS2aTjWWQfapBZJbujGp5AuYS2aT:lapBZJbujGpCVTapBZJbujGpCV
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" creepypasta virus.exe -
Disables Task Manager via registry modification
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Office = "C:\\Users\\Admin\\AppData\\Local\\Temp\\creepypasta virus.exe" creepypasta virus.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico explorer.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 creepypasta virus.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2436 creepypasta virus.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeDebugPrivilege 2436 creepypasta virus.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe Token: SeShutdownPrivilege 1800 explorer.exe -
Suspicious use of FindShellTrayWindow 30 IoCs
pid Process 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe 1800 explorer.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\creepypasta virus.exe"C:\Users\Admin\AppData\Local\Temp\creepypasta virus.exe"1⤵
- Disables RegEdit via registry modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2436
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C:\Windows\explorer.exeexplorer.exe1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1800
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1