Analysis
- 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
1 signatures
Behavioral task
behavioral1
Sample
8ab40474d3eaafcf734e9528c5dd61a9.exe
Resource
win7-20231215-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
8ab40474d3eaafcf734e9528c5dd61a9.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
14 signatures
150 seconds
General
- Target 8ab40474d3eaafcf734e9528c5dd61a9.exe
- Size 7.0MB
- Sample240202-2gmbzaccak
- SHA256 2ba0c79ae23070dbc2e0c54184d76aab5dae7707fbb1920aaca0357225f07001
- MD5 8ab40474d3eaafcf734e9528c5dd61a9
- SHA1 d07bf98a988d7a9a9938d1a86b17000c6fdf465b
- SHA512 3c791c27468ee4357775a17c69bbbefa94a044f05d29cbebe33a76eafe90661e3f942e3741e34158d4ac457d9653ff317acd0a1fc87f5c395743850768f731d5
- SSDEEP 196608:N7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM9rdQyZb9eMf1WIEly38doi:N7effIPEsy58doQaTxLhQyZbIly38doY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- 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
- Path C:\Users\Admin\AppData\Local\cftmon.exe
- Size 7.1MB
- SHA256 0688264563ad37ee5bb8f1158952deb6e0595ee70cd6cb49124ee62a916f588f
- MD5 6f36d910bce3bce06ac4f9bcd96034c3
- SHA1 5592e1f1fd264ae6d0d778af5be65b9fc6f6ddb1
- SHA512 5757a793001fd75b65f0659a07b63fb458467df034ac06ccfde8adb3470e8755d9df6d43ff0290659a8e107b4744848517cd35b9e0288c2ac3b9a5da08a3724a
- SSDEEP 196608:N7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM9rdQyZb9eMf1WIEly38do1:N7effIPEsy58doQaTxLhQyZbIly38doj
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\ftpdll.dll
- Size 5KB
- SHA256 eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb
- MD5 d807aa04480d1d149f7a4cac22984188
- SHA1 ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9
- SHA512 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e
- SSDEEP 48:SUKBtiM6VLLJRT4fi+z/JH5eGES4e8d+q2fShltiINGRKu6+BYhAf7kZydxS7Nbo:CJkPjTY15ezS4e8OfSx+BBq0Pmev
- MD5 SHA1 SHA512 SSDEEP