Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 02:57
Static task
static1
Behavioral task
behavioral1
Sample
c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe
Resource
win10v2004-20240508-en
General
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Target
c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe
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Size
237KB
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MD5
65bdf7cdcd49fd7b8df71924a75d42bf
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SHA1
784b4d6f7e195e061cd8e258450514b6b180dc28
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SHA256
c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7
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SHA512
3669bcedfa34532b69cd5ec20551736ce54401e9491782a0ffd38c4b8bcbac67c4dc9483d432deb2f78a6bb8c46a86dcd7c439e8dee92bc6fc7c53faec3ad882
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SSDEEP
6144:mA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:mATuTAnKGwUAWVycQqgj
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 2368 1864 WerFault.exe winver.exe 1712 4592 WerFault.exe c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.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 behavior: EnumeratesProcesses 2 IoCs
Processes:
c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exepid process 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3488 Explorer.EXE Token: SeCreatePagefilePrivilege 3488 Explorer.EXE Token: SeShutdownPrivilege 3488 Explorer.EXE Token: SeCreatePagefilePrivilege 3488 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exec8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exepid process 1864 winver.exe 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3488 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exewinver.exedescription pid process target process PID 4592 wrote to memory of 1864 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe winver.exe PID 4592 wrote to memory of 1864 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe winver.exe PID 4592 wrote to memory of 1864 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe winver.exe PID 4592 wrote to memory of 1864 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe winver.exe PID 1864 wrote to memory of 3488 1864 winver.exe Explorer.EXE PID 4592 wrote to memory of 3488 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe Explorer.EXE PID 4592 wrote to memory of 2520 4592 c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.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\c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.exe"C:\Users\Admin\AppData\Local\Temp\c8852bb60759c6965e16c3a9a9302f09dcd22023da188bc7aaa1303e09b65bc7.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 1864 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 9563⤵
- 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 184 -p 1864 -ip 18641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4592 -ip 45921⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2520-13-0x0000000000BD0000-0x0000000000BD6000-memory.dmpFilesize
24KB
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memory/2520-19-0x0000000000BD0000-0x0000000000BD6000-memory.dmpFilesize
24KB
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memory/3488-4-0x0000000001220000-0x0000000001226000-memory.dmpFilesize
24KB
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memory/3488-5-0x0000000001220000-0x0000000001226000-memory.dmpFilesize
24KB
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memory/3488-11-0x00000000013F0000-0x00000000013F6000-memory.dmpFilesize
24KB
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memory/4592-1-0x0000000004630000-0x0000000004C88000-memory.dmpFilesize
6.3MB
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memory/4592-2-0x00000000024E0000-0x00000000024E1000-memory.dmpFilesize
4KB
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memory/4592-6-0x0000000000400000-0x000000000043F000-memory.dmpFilesize
252KB
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memory/4592-10-0x0000000005740000-0x0000000006140000-memory.dmpFilesize
10.0MB
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memory/4592-14-0x0000000005740000-0x0000000006140000-memory.dmpFilesize
10.0MB
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memory/4592-18-0x0000000004630000-0x0000000004C88000-memory.dmpFilesize
6.3MB