Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-05-2021 14:34
Static task
static1
Behavioral task
behavioral1
Sample
bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe
Resource
win7v20210410
General
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Target
bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe
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Size
71KB
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MD5
f11ea176f38efd18006e8c8b12e9ae57
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SHA1
8b0b7ac1a569e9ae063eca5a21dba06ca8caee6f
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SHA256
bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3
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SHA512
9facdf0abb96a51851e4fd10c2aa0a7e8f1500b82f9052d9c7222df604e50c861542f937fa60ece9316c003b56925245ac4ed61346ed35e4ec7da4c8084894e9
Malware Config
Signatures
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Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 664 created 408 664 WerFault.exe bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe -
Executes dropped EXE 2 IoCs
Processes:
bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exeDesktopLayer.exepid process 3736 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe 1684 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe upx C:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/3736-122-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx -
Drops file in Program Files directory 3 IoCs
Processes:
bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px6D65.tmp bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 664 408 WerFault.exe bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B5128418-B5EA-11EB-B2DB-76442655C859} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327292461" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327292573" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327292404" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
DesktopLayer.exeWerFault.exepid process 1684 DesktopLayer.exe 1684 DesktopLayer.exe 1684 DesktopLayer.exe 1684 DesktopLayer.exe 1684 DesktopLayer.exe 1684 DesktopLayer.exe 1684 DesktopLayer.exe 1684 DesktopLayer.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe 664 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 664 WerFault.exe Token: SeBackupPrivilege 664 WerFault.exe Token: SeDebugPrivilege 664 WerFault.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 4088 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exeiexplore.exeIEXPLORE.EXEpid process 408 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe 408 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe 4088 iexplore.exe 4088 iexplore.exe 2836 IEXPLORE.EXE 2836 IEXPLORE.EXE 2836 IEXPLORE.EXE 2836 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exebb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 408 wrote to memory of 3736 408 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe PID 408 wrote to memory of 3736 408 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe PID 408 wrote to memory of 3736 408 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe PID 3736 wrote to memory of 1684 3736 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe DesktopLayer.exe PID 3736 wrote to memory of 1684 3736 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe DesktopLayer.exe PID 3736 wrote to memory of 1684 3736 bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe DesktopLayer.exe PID 1684 wrote to memory of 4088 1684 DesktopLayer.exe iexplore.exe PID 1684 wrote to memory of 4088 1684 DesktopLayer.exe iexplore.exe PID 4088 wrote to memory of 2836 4088 iexplore.exe IEXPLORE.EXE PID 4088 wrote to memory of 2836 4088 iexplore.exe IEXPLORE.EXE PID 4088 wrote to memory of 2836 4088 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe"C:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exeC:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4088 CREDAT:82945 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 4042⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Local\Temp\bb7db15dd1e104cb3454a80a832644fe63d51d22db09f9e627acfe987c884ed3Srv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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memory/1684-117-0x0000000000000000-mapping.dmp
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memory/1684-120-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
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memory/2836-127-0x0000000000000000-mapping.dmp
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memory/3736-114-0x0000000000000000-mapping.dmp
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memory/3736-122-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/3736-121-0x00000000001E0000-0x00000000001EF000-memory.dmpFilesize
60KB
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memory/4088-123-0x0000000000000000-mapping.dmp
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memory/4088-126-0x00007FFED6B20000-0x00007FFED6B8B000-memory.dmpFilesize
428KB