Analysis
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max time kernel
119s -
max time network
24s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 09:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe
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Size
111KB
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MD5
891ec2f65851d6ecec54ab9ba28f5f7f
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SHA1
5484bd239b0abe01b71a53892f1dd7d839bdc53e
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SHA256
a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2
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SHA512
e467cdd3596049d8d5e225d00e1bf5441c847f839630ec2b994370b58a3c39fdaccedec281070750fde4534984ad9bf561ae4301a1ea78d8fe3f9ad8303df42f
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SSDEEP
3072:V1EDc6Pgip4D4dMz4n4N4t4R4aEIIIIzcy:V1EDZ1xMdEIIIIzX
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zenil.exe -
Executes dropped EXE 1 IoCs
pid Process 1688 zenil.exe -
Loads dropped DLL 2 IoCs
pid Process 2532 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe 2532 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\zenil = "C:\\Users\\Admin\\zenil.exe" zenil.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 2 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 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zenil.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe 1688 zenil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2532 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe 1688 zenil.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2532 wrote to memory of 1688 2532 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe 30 PID 2532 wrote to memory of 1688 2532 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe 30 PID 2532 wrote to memory of 1688 2532 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe 30 PID 2532 wrote to memory of 1688 2532 a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe 30 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29 PID 1688 wrote to memory of 2532 1688 zenil.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe"C:\Users\Admin\AppData\Local\Temp\a9bcbf31557835114e4f3e0be46132385646609ff9826b4050952714e978f2f2.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Users\Admin\zenil.exe"C:\Users\Admin\zenil.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
111KB
MD5a253505922aba482c644d8e1d1116a38
SHA13b5bd50e0079fa1b682f17588a17c8ec32561eb8
SHA2561bda51216d635eb317f62129c1f99a4d7735143a2ac9ce4161cb50e22794e9b5
SHA512e9feda1fcb638de1b1ae2d13f17659614acba3afbd9be9342dc0cc841f42ad137a52937f530850ddb3256c549adf03c2a9b8fecbc02435d0c7b3bb949af12d23