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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2024, 02:38
Static task
static1
Behavioral task
behavioral1
Sample
da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
Resource
win10v2004-20241007-en
General
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Target
da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
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Size
610KB
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MD5
b577940137d52af3209cbef414530282
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SHA1
042fc61c17bd68c913295ede401b053ce00bcfd3
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SHA256
da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415
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SHA512
40773e234b56d59f2b3b2911252957389d97de3b8d6aa9f3a3c6f052585cf383d474c6c777419f4c317e590c42746f2f7a93966ace4200339aa849c83a1750e7
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SSDEEP
12288:dATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:HT+KjUdQqboyyWoK1NGqzuhb
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
pid pid_target Process procid_target 1632 2956 WerFault.exe 99 4312 4804 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Modifies data under HKEY_USERS 1 IoCs
description 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
pid Process 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description 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
pid Process 2956 winver.exe 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3432 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4804 wrote to memory of 2956 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe 99 PID 4804 wrote to memory of 2956 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe 99 PID 4804 wrote to memory of 2956 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe 99 PID 4804 wrote to memory of 2956 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe 99 PID 2956 wrote to memory of 3432 2956 winver.exe 56 PID 4804 wrote to memory of 3432 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe 56 PID 4804 wrote to memory of 2636 4804 da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2636
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe"C:\Users\Admin\AppData\Local\Temp\da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 3004⤵
- Program crash
PID:1632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 9683⤵
- Program crash
PID:4312
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:1092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2956 -ip 29561⤵PID:1728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4804 -ip 48041⤵PID:2672