Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2023, 17:11
Static task
static1
Behavioral task
behavioral1
Sample
2d7332ac946b68ad07a8d4246f61c21e_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2d7332ac946b68ad07a8d4246f61c21e_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2d7332ac946b68ad07a8d4246f61c21e_JC.exe
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Size
136KB
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MD5
2d7332ac946b68ad07a8d4246f61c21e
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SHA1
6e6852fcf94cdb635d753c276782ed64c3648904
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SHA256
17c459b5f1aca676e35720d204ab340c6e17fff532eff752e252975fac7afc41
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SHA512
bb4f1fb73a0f85858e35f4347b9204eb927db269ca809830e5e4e69578aedee69d6ea232a2bdccadbef2523acdd9cd651a9ab06d8d6cdb0d442affa4356d97dd
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SSDEEP
3072:BNgQel///vOkkeD2vlVfVc20MMccro7M0pR+Bg:BNVeV//vOkkeulB620MMzo
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\Userinit = "C:\\Windows\\system32\\userinit.exe," 2d7332ac946b68ad07a8d4246f61c21e_JC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\protect_autorun = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2d7332ac946b68ad07a8d4246f61c21e_JC.exe /start" 2d7332ac946b68ad07a8d4246f61c21e_JC.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: 2d7332ac946b68ad07a8d4246f61c21e_JC.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.shs 2d7332ac946b68ad07a8d4246f61c21e_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.shs\ = "ShellScrap_disabled" 2d7332ac946b68ad07a8d4246f61c21e_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.pif\ = "piffile_disabled" 2d7332ac946b68ad07a8d4246f61c21e_JC.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe 4164 2d7332ac946b68ad07a8d4246f61c21e_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2d7332ac946b68ad07a8d4246f61c21e_JC.exe"C:\Users\Admin\AppData\Local\Temp\2d7332ac946b68ad07a8d4246f61c21e_JC.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Enumerates connected drives
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4164
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1