Analysis
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max time kernel
160s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2024, 22:33
Static task
static1
Behavioral task
behavioral1
Sample
8ab40474d3eaafcf734e9528c5dd61a9.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8ab40474d3eaafcf734e9528c5dd61a9.exe
Resource
win10v2004-20231215-en
General
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Target
8ab40474d3eaafcf734e9528c5dd61a9.exe
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Size
7.0MB
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MD5
8ab40474d3eaafcf734e9528c5dd61a9
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SHA1
d07bf98a988d7a9a9938d1a86b17000c6fdf465b
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SHA256
2ba0c79ae23070dbc2e0c54184d76aab5dae7707fbb1920aaca0357225f07001
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SHA512
3c791c27468ee4357775a17c69bbbefa94a044f05d29cbebe33a76eafe90661e3f942e3741e34158d4ac457d9653ff317acd0a1fc87f5c395743850768f731d5
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SSDEEP
196608:N7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM9rdQyZb9eMf1WIEly38doi:N7effIPEsy58doQaTxLhQyZbIly38doY
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 = "Explorer.exe" 8ab40474d3eaafcf734e9528c5dd61a9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe," 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\spools.exe 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened for modification C:\Windows\SysWOW64\drivers\spools.exe 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" 8ab40474d3eaafcf734e9528c5dd61a9.exe -
ACProtect 1.3x - 1.4x DLL software 4 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000600000002311e-10.dat acprotect behavioral2/memory/1504-13-0x0000000010000000-0x000000001010B000-memory.dmp acprotect behavioral2/memory/1504-15-0x0000000010000000-0x000000001010B000-memory.dmp acprotect behavioral2/memory/1504-16-0x0000000010000000-0x000000001010B000-memory.dmp acprotect -
Loads dropped DLL 1 IoCs
pid Process 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe -
resource yara_rule behavioral2/files/0x000600000002311e-10.dat upx behavioral2/memory/1504-13-0x0000000010000000-0x000000001010B000-memory.dmp upx behavioral2/memory/1504-15-0x0000000010000000-0x000000001010B000-memory.dmp upx behavioral2/memory/1504-16-0x0000000010000000-0x000000001010B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" 8ab40474d3eaafcf734e9528c5dd61a9.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" 8ab40474d3eaafcf734e9528c5dd61a9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" 8ab40474d3eaafcf734e9528c5dd61a9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Enumerates connected drives 3 TTPs 64 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\N: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\M: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\V: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\E: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\O: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\K: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\G: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\I: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\H: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\K: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\Q: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\V: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\V: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\W: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\N: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\R: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\M: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\S: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\X: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\L: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\H: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\Q: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\P: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\L: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\I: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\P: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\R: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\J: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\X: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\M: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\R: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\W: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\O: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\G: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\P: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\L: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\N: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\T: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\U: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\V: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\T: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\W: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\I: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\Q: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\S: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\S: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\K: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\H: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\E: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\E: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\G: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\J: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\P: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\E: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\J: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\K: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\R: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\W: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\H: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\U: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\X: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\O: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\U: 8ab40474d3eaafcf734e9528c5dd61a9.exe File opened (read-only) \??\T: 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} reg.exe -
Modifies WinLogon 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe" 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ftpdll.dll 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 4288 8ab40474d3eaafcf734e9528c5dd61a9.exe 4288 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1504 wrote to memory of 4288 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 85 PID 1504 wrote to memory of 4288 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 85 PID 1504 wrote to memory of 4288 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 85 PID 1504 wrote to memory of 4044 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 87 PID 1504 wrote to memory of 4044 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 87 PID 1504 wrote to memory of 4044 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 87 PID 1504 wrote to memory of 4476 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 88 PID 1504 wrote to memory of 4476 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 88 PID 1504 wrote to memory of 4476 1504 8ab40474d3eaafcf734e9528c5dd61a9.exe 88 PID 4288 wrote to memory of 3824 4288 8ab40474d3eaafcf734e9528c5dd61a9.exe 90 PID 4288 wrote to memory of 3824 4288 8ab40474d3eaafcf734e9528c5dd61a9.exe 90 PID 4288 wrote to memory of 3824 4288 8ab40474d3eaafcf734e9528c5dd61a9.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exe"C:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exeC:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exe2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4288 -
C:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exeC:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exe3⤵
- Enumerates connected drives
PID:3824
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f2⤵
- Installs/modifies Browser Helper Object
PID:4044
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C:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exeC:\Users\Admin\AppData\Local\Temp\8ab40474d3eaafcf734e9528c5dd61a9.exe2⤵
- Enumerates connected drives
PID:4476
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
2Winlogon Helper DLL
2Browser Extensions
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
2Winlogon Helper DLL
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7.1MB
MD56f36d910bce3bce06ac4f9bcd96034c3
SHA15592e1f1fd264ae6d0d778af5be65b9fc6f6ddb1
SHA2560688264563ad37ee5bb8f1158952deb6e0595ee70cd6cb49124ee62a916f588f
SHA5125757a793001fd75b65f0659a07b63fb458467df034ac06ccfde8adb3470e8755d9df6d43ff0290659a8e107b4744848517cd35b9e0288c2ac3b9a5da08a3724a
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Filesize
5KB
MD5d807aa04480d1d149f7a4cac22984188
SHA1ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9
SHA256eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb
SHA512875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e