Analysis
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max time kernel
132s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 04:41
Static task
static1
Behavioral task
behavioral1
Sample
f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe
Resource
win10v2004-20240426-en
General
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Target
f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe
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Size
225KB
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MD5
89964635059b3941e7014a7b7468079d
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SHA1
83eed60003e794c046dfde08436941617738b2d2
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SHA256
f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79
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SHA512
6ddfb6268ba2db788c411754c00de9663adc8e0a9260671753db24d94375ad0791c2a7625822469662765287f590deadfc38623e0af231d33d700be800eebd0f
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SSDEEP
6144:qA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:qATuTAnKGwUAW3ycQqgf
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 5100 648 WerFault.exe winver.exe 4064 3576 WerFault.exe f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe -
Modifies data under HKEY_USERS 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" svchost.exe -
Modifies registry class 2 IoCs
Processes:
Explorer.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 20 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exef089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exepid process 648 winver.exe 3576 f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3500 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exewinver.exedescription pid process target process PID 3576 wrote to memory of 648 3576 f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe winver.exe PID 3576 wrote to memory of 648 3576 f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe winver.exe PID 3576 wrote to memory of 648 3576 f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe winver.exe PID 3576 wrote to memory of 648 3576 f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe winver.exe PID 648 wrote to memory of 3500 648 winver.exe Explorer.EXE PID 3576 wrote to memory of 3500 3576 f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe"C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe"2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 7283⤵
- Program crash
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 648 -ip 6481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3576 -ip 35761⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/3500-4-0x0000000000AF0000-0x0000000000AF6000-memory.dmpFilesize
24KB
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memory/3500-5-0x0000000000AF0000-0x0000000000AF6000-memory.dmpFilesize
24KB
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memory/3500-10-0x0000000000B00000-0x0000000000B06000-memory.dmpFilesize
24KB
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memory/3576-1-0x00000000046A0000-0x0000000004CF8000-memory.dmpFilesize
6.3MB
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memory/3576-2-0x0000000003C90000-0x0000000003C91000-memory.dmpFilesize
4KB
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memory/3576-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3576-13-0x00000000046A0000-0x0000000004CF8000-memory.dmpFilesize
6.3MB