Analysis
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max time kernel
119s -
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 02:58
Static task
static1
Behavioral task
behavioral1
Sample
44e4bd3cae35ae60f3c829c0e7b13880N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
44e4bd3cae35ae60f3c829c0e7b13880N.exe
Resource
win10v2004-20240709-en
General
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Target
44e4bd3cae35ae60f3c829c0e7b13880N.exe
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Size
225KB
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MD5
44e4bd3cae35ae60f3c829c0e7b13880
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SHA1
dd12c20b4ceddf567b7d4f751bd253defdff147f
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SHA256
2c13e32597dd2587b606077f7b1636cd2ca014480c2977b8793962fb0601288e
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SHA512
c6e5b0b9dada0c2712b4bd73cce7cad196c315fdea69ac2ba866861d70664b48386354ce309a30cd7edd6a3a9fdab6882b32a7e3e793b2991dce1cde2fd86b67
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SSDEEP
6144:oA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:oATuTAnKGwUAW3ycQqgf
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 1876 4960 WerFault.exe winver.exe 4828 392 WerFault.exe 44e4bd3cae35ae60f3c829c0e7b13880N.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-1-5-21-2650514177-1034912467-4025611726-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 16 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE Token: SeShutdownPrivilege 3412 Explorer.EXE Token: SeCreatePagefilePrivilege 3412 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe44e4bd3cae35ae60f3c829c0e7b13880N.exepid process 4960 winver.exe 392 44e4bd3cae35ae60f3c829c0e7b13880N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3412 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
44e4bd3cae35ae60f3c829c0e7b13880N.exewinver.exedescription pid process target process PID 392 wrote to memory of 4960 392 44e4bd3cae35ae60f3c829c0e7b13880N.exe winver.exe PID 392 wrote to memory of 4960 392 44e4bd3cae35ae60f3c829c0e7b13880N.exe winver.exe PID 392 wrote to memory of 4960 392 44e4bd3cae35ae60f3c829c0e7b13880N.exe winver.exe PID 392 wrote to memory of 4960 392 44e4bd3cae35ae60f3c829c0e7b13880N.exe winver.exe PID 4960 wrote to memory of 3412 4960 winver.exe Explorer.EXE PID 392 wrote to memory of 3412 392 44e4bd3cae35ae60f3c829c0e7b13880N.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\44e4bd3cae35ae60f3c829c0e7b13880N.exe"C:\Users\Admin\AppData\Local\Temp\44e4bd3cae35ae60f3c829c0e7b13880N.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 4960 -s 3084⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 8643⤵
- 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 4960 -ip 49601⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 392 -ip 3921⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/392-1-0x00000000047E0000-0x0000000004E38000-memory.dmpFilesize
6.3MB
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memory/392-2-0x0000000003E80000-0x0000000003E81000-memory.dmpFilesize
4KB
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memory/392-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/392-13-0x00000000047E0000-0x0000000004E38000-memory.dmpFilesize
6.3MB
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memory/3412-5-0x0000000002D00000-0x0000000002D06000-memory.dmpFilesize
24KB
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memory/3412-4-0x0000000002D00000-0x0000000002D06000-memory.dmpFilesize
24KB
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memory/3412-10-0x00000000073E0000-0x00000000073E6000-memory.dmpFilesize
24KB