Analysis
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max time kernel
118s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
20-07-2024 03:57
Static task
static1
Behavioral task
behavioral1
Sample
478a505cee807c2515aaa1c0100d9bf0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
478a505cee807c2515aaa1c0100d9bf0N.exe
Resource
win10v2004-20240709-en
General
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Target
478a505cee807c2515aaa1c0100d9bf0N.exe
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Size
225KB
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MD5
478a505cee807c2515aaa1c0100d9bf0
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SHA1
97871074afdf75e17b76172e71dc45d74ea0971c
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SHA256
9f71bfb5d88400cb4e42e345e2eecaf8c978aea150de71f021ec86b778ad2be6
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SHA512
ace6463b7616652ca533084f4f40eb82829d3c3f956a9ab6809d28300383ef293b436270845e60a4b6cebb6d14798be30e87ab7747fb7d46c8d53aa25de749fe
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SSDEEP
6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf
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 1928 3940 WerFault.exe winver.exe 2216 1036 WerFault.exe 478a505cee807c2515aaa1c0100d9bf0N.exe -
Modifies data under HKEY_USERS 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\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-1-5-21-1176886754-713327781-2233697964-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3392 Explorer.EXE Token: SeCreatePagefilePrivilege 3392 Explorer.EXE Token: SeShutdownPrivilege 3392 Explorer.EXE Token: SeCreatePagefilePrivilege 3392 Explorer.EXE Token: SeShutdownPrivilege 3392 Explorer.EXE Token: SeCreatePagefilePrivilege 3392 Explorer.EXE Token: SeShutdownPrivilege 3392 Explorer.EXE Token: SeCreatePagefilePrivilege 3392 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe478a505cee807c2515aaa1c0100d9bf0N.exepid process 3940 winver.exe 1036 478a505cee807c2515aaa1c0100d9bf0N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3392 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
478a505cee807c2515aaa1c0100d9bf0N.exewinver.exedescription pid process target process PID 1036 wrote to memory of 3940 1036 478a505cee807c2515aaa1c0100d9bf0N.exe winver.exe PID 1036 wrote to memory of 3940 1036 478a505cee807c2515aaa1c0100d9bf0N.exe winver.exe PID 1036 wrote to memory of 3940 1036 478a505cee807c2515aaa1c0100d9bf0N.exe winver.exe PID 1036 wrote to memory of 3940 1036 478a505cee807c2515aaa1c0100d9bf0N.exe winver.exe PID 3940 wrote to memory of 3392 3940 winver.exe Explorer.EXE PID 1036 wrote to memory of 3392 1036 478a505cee807c2515aaa1c0100d9bf0N.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\478a505cee807c2515aaa1c0100d9bf0N.exe"C:\Users\Admin\AppData\Local\Temp\478a505cee807c2515aaa1c0100d9bf0N.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 3940 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 9283⤵
- 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 408 -p 3940 -ip 39401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1036 -ip 10361⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/1036-1-0x00000000045E0000-0x0000000004C38000-memory.dmpFilesize
6.3MB
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memory/1036-2-0x00000000024E0000-0x00000000024E1000-memory.dmpFilesize
4KB
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memory/1036-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1036-12-0x00000000045E0000-0x0000000004C38000-memory.dmpFilesize
6.3MB
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memory/3392-4-0x0000000001260000-0x0000000001266000-memory.dmpFilesize
24KB
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memory/3392-5-0x0000000001260000-0x0000000001266000-memory.dmpFilesize
24KB
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memory/3392-9-0x00000000012F0000-0x00000000012F6000-memory.dmpFilesize
24KB