Resubmissions
09-07-2024 22:16
240709-1611zs1bmb 10Analysis
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max time kernel
146s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
09-07-2024 22:16
Static task
static1
Behavioral task
behavioral1
Sample
50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe
Resource
win10v2004-20240709-en
General
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Target
50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe
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Size
237KB
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MD5
0c3e95d87876a9f46750a31141706722
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SHA1
87fb97622c4a2b087c7c85b49d321b65c12f3af0
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SHA256
50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b
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SHA512
57c9f162d7c80e6a1084f7445cac1d03c4f297db0c69b0c5ef8e19989c403bf9952dab66a1cc6358bf95d6f02a29d25643dcd0fbe0aa676f9fa233cc9319ee8a
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SSDEEP
6144:sA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:sATuTAnKGwUAWVycQqgj
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 3804 3916 WerFault.exe winver.exe 3700 1372 WerFault.exe 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exepid process 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3596 Explorer.EXE Token: SeCreatePagefilePrivilege 3596 Explorer.EXE Token: SeShutdownPrivilege 3596 Explorer.EXE Token: SeCreatePagefilePrivilege 3596 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exepid process 3916 winver.exe 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3596 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exewinver.exedescription pid process target process PID 1372 wrote to memory of 3916 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe winver.exe PID 1372 wrote to memory of 3916 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe winver.exe PID 1372 wrote to memory of 3916 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe winver.exe PID 1372 wrote to memory of 3916 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe winver.exe PID 3916 wrote to memory of 3596 3916 winver.exe Explorer.EXE PID 1372 wrote to memory of 3596 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe Explorer.EXE PID 1372 wrote to memory of 2572 1372 50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵
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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\50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe"C:\Users\Admin\AppData\Local\Temp\50b88053e9c17bea52e00af9bd13b0f0eae931d16428b849b64c6d736930e79b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- 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 3916 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 8883⤵
- 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 3916 -ip 39161⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1372 -ip 13721⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/1372-1-0x00000000046E0000-0x0000000004D38000-memory.dmpFilesize
6.3MB
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memory/1372-2-0x0000000003DC0000-0x0000000003DC1000-memory.dmpFilesize
4KB
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memory/1372-6-0x0000000000400000-0x000000000043F000-memory.dmpFilesize
252KB
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memory/1372-9-0x00000000058F0000-0x00000000062F0000-memory.dmpFilesize
10.0MB
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memory/1372-14-0x00000000058F0000-0x00000000062F0000-memory.dmpFilesize
10.0MB
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memory/1372-17-0x00000000046E0000-0x0000000004D38000-memory.dmpFilesize
6.3MB
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memory/2572-12-0x0000000000530000-0x0000000000536000-memory.dmpFilesize
24KB
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memory/2572-18-0x0000000000530000-0x0000000000536000-memory.dmpFilesize
24KB
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memory/3596-4-0x0000000001070000-0x0000000001076000-memory.dmpFilesize
24KB
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memory/3596-5-0x0000000001070000-0x0000000001076000-memory.dmpFilesize
24KB
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memory/3596-10-0x00000000030B0000-0x00000000030B6000-memory.dmpFilesize
24KB