Analysis
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max time kernel
157s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19-01-2024 10:06
Behavioral task
behavioral1
Sample
6757e809044258876444adfd573ba511.exe
Resource
win7-20231215-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
6757e809044258876444adfd573ba511.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
15 signatures
150 seconds
General
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Target
6757e809044258876444adfd573ba511.exe
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Size
373KB
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MD5
6757e809044258876444adfd573ba511
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SHA1
eb65cc7841af1c892847719c685ab8e086427f39
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SHA256
ede9d62bc9c463f8f441b32d193db742316cd406a3554bee0d939cc378524168
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SHA512
5c3a6ed71c5502d950c81ea12b6bacb80cbb5e8d06d19a456f9c2559a20ca334b3917e51094e80f5ae721fb78ceb151353a185d41ef05384ee898fc760c50a3d
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SSDEEP
6144:MlZ/zUMu4pDSxsCMRzf7x3SfS1JAzXBtL76lKgJG:MHLUMuiv9RgfSjAzRtyE
Score
10/10
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 = "C:\\Windows\\explorer.exe C:\\Windows\\system\\smss.exe" 6757e809044258876444adfd573ba511.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6757e809044258876444adfd573ba511.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" 6757e809044258876444adfd573ba511.exe -
Disables Task Manager via registry modification
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Sets file execution options in registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\calc.EXE 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\calc.EXE\Debugger = "C:\\Windows\\system\\smss.exe" 6757e809044258876444adfd573ba511.exe -
Modifies system executable filetype association 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "JPEG" 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\InfoTip = "Size: 1893 KB" 6757e809044258876444adfd573ba511.exe -
resource yara_rule behavioral2/memory/1932-0-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-1-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-6-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/files/0x000300000002276d-7.dat upx behavioral2/memory/1932-11-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-16-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-21-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-26-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-31-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-37-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-42-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-47-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-52-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-58-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-63-0x0000000000400000-0x00000000004CF000-memory.dmp upx behavioral2/memory/1932-68-0x0000000000400000-0x00000000004CF000-memory.dmp upx -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\a: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\g: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\i: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\b: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\e: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\t: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\u: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\z: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\h: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\q: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\r: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\s: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\v: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\w: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\j: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\k: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\l: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\m: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\n: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\o: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\p: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\x: 6757e809044258876444adfd573ba511.exe File opened (read-only) \??\y: 6757e809044258876444adfd573ba511.exe -
AutoIT Executable 14 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/1932-1-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-6-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-11-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-16-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-21-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-26-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-31-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-37-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-42-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-47-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-52-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-58-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-63-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe behavioral2/memory/1932-68-0x0000000000400000-0x00000000004CF000-memory.dmp autoit_exe -
Drops file in Windows directory 7 IoCs
description ioc Process File created C:\Windows\pchealth\helpctr\smss.exe 6757e809044258876444adfd573ba511.exe File created C:\Windows\pchealth\smss.exe 6757e809044258876444adfd573ba511.exe File created C:\Windows\SNDVOL32.EXE 6757e809044258876444adfd573ba511.exe File opened for modification C:\Windows\SNDVOL32.EXE 6757e809044258876444adfd573ba511.exe File opened for modification C:\Windows\System\smss.exe 6757e809044258876444adfd573ba511.exe File created C:\Windows\system\smss.exe 6757e809044258876444adfd573ba511.exe File opened for modification C:\Windows\system\smss.exe 6757e809044258876444adfd573ba511.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 14 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "JPEG" 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\flv_auto_file\shell\open\command 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mp3file\DefaultIcon 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\flv_auto_file\shell\open 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\DefaultIcon 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mp3file\DefaultIcon\ = "C:\\Windows\\SNDVOL32.EXE,3" 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\DefaultIcon\ = "C:\\Windows\\SNDVOL32.EXE,1" 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\InfoTip = "Size: 1893 KB" 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\flv_auto_file 6757e809044258876444adfd573ba511.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\flv_auto_file\shell 6757e809044258876444adfd573ba511.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\flv_auto_file\shell\open\command\ = "C:\\Windows\\system\\smss.exe" 6757e809044258876444adfd573ba511.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe 1932 6757e809044258876444adfd573ba511.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 780 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1932 wrote to memory of 780 1932 6757e809044258876444adfd573ba511.exe 89 PID 1932 wrote to memory of 780 1932 6757e809044258876444adfd573ba511.exe 89 PID 1932 wrote to memory of 780 1932 6757e809044258876444adfd573ba511.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\6757e809044258876444adfd573ba511.exe"C:\Users\Admin\AppData\Local\Temp\6757e809044258876444adfd573ba511.exe"1⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Sets file execution options in registry
- Modifies system executable filetype association
- Enumerates connected drives
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\shimgvw.dll,ImageView_Fullscreen2⤵
- Suspicious use of FindShellTrayWindow
PID:780
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
373KB
MD56757e809044258876444adfd573ba511
SHA1eb65cc7841af1c892847719c685ab8e086427f39
SHA256ede9d62bc9c463f8f441b32d193db742316cd406a3554bee0d939cc378524168
SHA5125c3a6ed71c5502d950c81ea12b6bacb80cbb5e8d06d19a456f9c2559a20ca334b3917e51094e80f5ae721fb78ceb151353a185d41ef05384ee898fc760c50a3d