Analysis
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max time kernel
149s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 18:41
Static task
static1
Behavioral task
behavioral1
Sample
0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe
Resource
win10v2004-20240426-en
General
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Target
0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe
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Size
225KB
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MD5
386f0be301ded9a2021a1e904de2b21a
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SHA1
130253beacff9963e3515a165d96e79396a8cc30
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SHA256
0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b
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SHA512
c3cd06ec4a4b624948a02c0ccea83934bfba2cbda611c9d80fc2b2dc7ff8d7d99a834923f016b1bf71fdb5a5274a0cce56ca88e8aa44ed510e3ef16606184221
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SSDEEP
6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:XATuTAnKGwUAW3ycQqgf
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 4912 760 WerFault.exe winver.exe 5040 4264 WerFault.exe 0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.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 -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exepid process 760 winver.exe 4264 0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3432 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exewinver.exedescription pid process target process PID 4264 wrote to memory of 760 4264 0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe winver.exe PID 4264 wrote to memory of 760 4264 0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe winver.exe PID 4264 wrote to memory of 760 4264 0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe winver.exe PID 4264 wrote to memory of 760 4264 0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe winver.exe PID 760 wrote to memory of 3432 760 winver.exe Explorer.EXE PID 4264 wrote to memory of 3432 4264 0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.exe"C:\Users\Admin\AppData\Local\Temp\0caf9b71b8d91cc33c240390ba49d8acb43762b5976ab058df54f37a781c184b.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 760 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 7643⤵
- 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 760 -ip 7601⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4264 -ip 42641⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/3432-4-0x0000000000C00000-0x0000000000C06000-memory.dmpFilesize
24KB
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memory/3432-5-0x0000000000C00000-0x0000000000C06000-memory.dmpFilesize
24KB
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memory/3432-10-0x0000000000C10000-0x0000000000C16000-memory.dmpFilesize
24KB
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memory/4264-1-0x0000000004590000-0x0000000004BE8000-memory.dmpFilesize
6.3MB
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memory/4264-2-0x0000000000510000-0x0000000000511000-memory.dmpFilesize
4KB
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memory/4264-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4264-13-0x0000000004590000-0x0000000004BE8000-memory.dmpFilesize
6.3MB