Analysis
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max time kernel
118s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2024 09:34
Static task
static1
Behavioral task
behavioral1
Sample
7c633b98d323a21493e2bc170683ad10N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
7c633b98d323a21493e2bc170683ad10N.exe
Resource
win10v2004-20240709-en
General
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Target
7c633b98d323a21493e2bc170683ad10N.exe
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Size
225KB
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MD5
7c633b98d323a21493e2bc170683ad10
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SHA1
d73a9dc870887a5b044345a69083bbbc890e0235
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SHA256
ad3aeb9bc18bb93d00b4c5c46f6c181a0cdc6060d15684353ca949e12d98a5dd
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SHA512
cdcb0b7c5916dcd2a7ce2d286eb2b56e00a1bb4c25f395687541208793b9058d497f55dbe3a54ba1f27a9016821fa683f1da4506fedefd92ca5b6b62c61da581
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SSDEEP
6144:VA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:VATuTAnKGwUAW3ycQqgf
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 408 1832 WerFault.exe winver.exe 1176 1800 WerFault.exe 7c633b98d323a21493e2bc170683ad10N.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\USER\S-1-5-21-384068567-2943195810-3631207890-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 16 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE Token: SeShutdownPrivilege 3436 Explorer.EXE Token: SeCreatePagefilePrivilege 3436 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe7c633b98d323a21493e2bc170683ad10N.exepid process 1832 winver.exe 1800 7c633b98d323a21493e2bc170683ad10N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3436 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
7c633b98d323a21493e2bc170683ad10N.exewinver.exedescription pid process target process PID 1800 wrote to memory of 1832 1800 7c633b98d323a21493e2bc170683ad10N.exe winver.exe PID 1800 wrote to memory of 1832 1800 7c633b98d323a21493e2bc170683ad10N.exe winver.exe PID 1800 wrote to memory of 1832 1800 7c633b98d323a21493e2bc170683ad10N.exe winver.exe PID 1800 wrote to memory of 1832 1800 7c633b98d323a21493e2bc170683ad10N.exe winver.exe PID 1832 wrote to memory of 3436 1832 winver.exe Explorer.EXE PID 1800 wrote to memory of 3436 1800 7c633b98d323a21493e2bc170683ad10N.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\7c633b98d323a21493e2bc170683ad10N.exe"C:\Users\Admin\AppData\Local\Temp\7c633b98d323a21493e2bc170683ad10N.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 1832 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 8803⤵
- 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 376 -p 1832 -ip 18321⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1800 -ip 18001⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/1800-1-0x00000000046A0000-0x0000000004CF8000-memory.dmpFilesize
6.3MB
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memory/1800-2-0x0000000003D90000-0x0000000003D91000-memory.dmpFilesize
4KB
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memory/1800-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1800-13-0x00000000046A0000-0x0000000004CF8000-memory.dmpFilesize
6.3MB
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memory/3436-4-0x0000000000410000-0x0000000000416000-memory.dmpFilesize
24KB
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memory/3436-5-0x0000000000410000-0x0000000000416000-memory.dmpFilesize
24KB
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memory/3436-10-0x0000000000760000-0x0000000000766000-memory.dmpFilesize
24KB