Analysis
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max time kernel
90s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2022 16:21
Behavioral task
behavioral1
Sample
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe
Resource
win7-20220901-en
General
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Target
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe
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Size
350KB
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MD5
90f88093f0752853e1e62b1f7f562670
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SHA1
49e5e828231e9185262df7f5d28cd8ded0f45a74
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SHA256
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f
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SHA512
2e56f3840a06bcef10d73df8655a034e8e35249cddf7c23786284c61b451656a60af328aed883fb742961b2771d1db71c626a4af75b4e570cd8fd6d858543602
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SSDEEP
6144:3yXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:33BdQLL4BE93NGVYZX9BukJlwxSJdEm
Malware Config
Signatures
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Drops file in Drivers directory 2 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exedescription ioc process File created C:\Windows\SysWOW64\drivers\1f76969a.sys cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe File created C:\Windows\SysWOW64\drivers\63dda31c.sys cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 4548 takeown.exe 4172 icacls.exe -
Sets service image path in registry 2 TTPs 2 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\1f76969a\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\1f76969a.sys" cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\63dda31c\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\63dda31c.sys" cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe -
Processes:
resource yara_rule behavioral2/memory/544-132-0x0000000001000000-0x000000000112D000-memory.dmp upx behavioral2/memory/544-133-0x0000000001000000-0x000000000112D000-memory.dmp upx behavioral2/memory/544-138-0x0000000001000000-0x000000000112D000-memory.dmp upx -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 4548 takeown.exe 4172 icacls.exe -
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe -
Drops file in System32 directory 5 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exedescription ioc process File created C:\Windows\SysWOW64\ws2tcpip.dll cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe File opened for modification C:\Windows\SysWOW64\ws2tcpip.dll cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe File created C:\Windows\SysWOW64\wshtcpip.dll cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe File opened for modification C:\Windows\SysWOW64\goodsb.dll cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe File created C:\Windows\SysWOW64\goodsb.dll cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe -
Modifies registry class 4 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL\name = "4e8yrhB.dll" cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID\name = "cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe" cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exepid process 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe -
Suspicious behavior: LoadsDriver 5 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exepid process 648 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 648 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exetakeown.exedescription pid process Token: SeDebugPrivilege 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe Token: SeTakeOwnershipPrivilege 4548 takeown.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.execmd.exedescription pid process target process PID 544 wrote to memory of 3980 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe cmd.exe PID 544 wrote to memory of 3980 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe cmd.exe PID 544 wrote to memory of 3980 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe cmd.exe PID 3980 wrote to memory of 4548 3980 cmd.exe takeown.exe PID 3980 wrote to memory of 4548 3980 cmd.exe takeown.exe PID 3980 wrote to memory of 4548 3980 cmd.exe takeown.exe PID 3980 wrote to memory of 4172 3980 cmd.exe icacls.exe PID 3980 wrote to memory of 4172 3980 cmd.exe icacls.exe PID 3980 wrote to memory of 4172 3980 cmd.exe icacls.exe PID 544 wrote to memory of 4704 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe cmd.exe PID 544 wrote to memory of 4704 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe cmd.exe PID 544 wrote to memory of 4704 544 cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe"C:\Users\Admin\AppData\Local\Temp\cb411d1f61e17e4b71a7d95bbdbdedd308103b6f0af08f5e1bac5ac4c3e6e88f.exe"1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\SysWOW64\wshtcpip.dll3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\icacls.exeicacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F3⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\ahnmove.batFilesize
181B
MD5c3249d3ebc5a26bf404252d1377567da
SHA18a57a0172096fec907dd6a7652c1720288c543c8
SHA25647e16eea4ec5de53eed51d49f05e701673ff4135d8a87cc3577af0c48ecf4293
SHA512c2a5e0a7c10a1df7fa4e74202529086272dd19faad4c71241d523fa279207b37a986cc414c5575d606d015b3f02906f0fd0eb221bf7622effa382dfb575acacd
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memory/544-132-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/544-133-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/544-138-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/3980-134-0x0000000000000000-mapping.dmp
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memory/4172-136-0x0000000000000000-mapping.dmp
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memory/4548-135-0x0000000000000000-mapping.dmp
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memory/4704-137-0x0000000000000000-mapping.dmp