Analysis
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max time kernel
137s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/11/2024, 06:14
Static task
static1
Behavioral task
behavioral1
Sample
fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe
Resource
win10v2004-20241007-en
General
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Target
fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe
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Size
225KB
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MD5
3b5e343e560415dde41191d540470234
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SHA1
f7ec750126bc64d378506d14b2a61f98a62a9ffe
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SHA256
fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48
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SHA512
7783896fe90d7c758f9576931565fb3820055838be2ce2ae2fb57f0925101a61713098663552f3a46689c8918f40f3b5f1a07f12834a1411b0e33d416ac424f6
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SSDEEP
6144:sA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:sATuTAnKGwUAW3ycQqgf
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 3200 820 WerFault.exe 106 2300 436 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 fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.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 -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 820 winver.exe 436 fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3504 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 436 wrote to memory of 820 436 fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe 106 PID 436 wrote to memory of 820 436 fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe 106 PID 436 wrote to memory of 820 436 fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe 106 PID 436 wrote to memory of 820 436 fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe 106 PID 820 wrote to memory of 3504 820 winver.exe 56 PID 436 wrote to memory of 3504 436 fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3504 -
C:\Users\Admin\AppData\Local\Temp\fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe"C:\Users\Admin\AppData\Local\Temp\fe912a506849cbb5193738b75e0988748be26135ff2ce4ab695457ee95548f48.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:436 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 3004⤵
- Program crash
PID:3200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 7683⤵
- Program crash
PID:2300
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 820 -ip 8201⤵PID:4008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 436 -ip 4361⤵PID:2720