Analysis
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max time kernel
141s -
max time network
133s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 13:30
Static task
static1
Behavioral task
behavioral1
Sample
95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe
Resource
win7v20210410
General
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Target
95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe
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Size
249KB
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MD5
47cbda60d9893c5fc4cd74ce8c2bbb1f
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SHA1
ea131f3b305948e2b2f4007295f2518349d46c62
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SHA256
95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c
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SHA512
c987ee8ebb2152f65085876975f39cb0812424594cf616b1fa1c3eacdbcd676fde414d9b6b05dbeb9ad332c3507c421265ffa7d1083fb44cbfd97b7637de4d07
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exeDesktopLayer.exepid process 2024 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe 2016 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe upx C:\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe upx C:\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe upx \Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/2024-75-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exepid process 1104 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe 2024 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px1610.tmp 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{2CDA72F1-B487-11EB-9155-42C11A88956C} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327742801" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 2016 DesktopLayer.exe 2016 DesktopLayer.exe 2016 DesktopLayer.exe 2016 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 1768 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1768 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1768 iexplore.exe 1768 iexplore.exe 1256 IEXPLORE.EXE 1256 IEXPLORE.EXE 1256 IEXPLORE.EXE 1256 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 1104 wrote to memory of 2024 1104 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe PID 1104 wrote to memory of 2024 1104 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe PID 1104 wrote to memory of 2024 1104 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe PID 1104 wrote to memory of 2024 1104 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe PID 2024 wrote to memory of 2016 2024 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe DesktopLayer.exe PID 2024 wrote to memory of 2016 2024 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe DesktopLayer.exe PID 2024 wrote to memory of 2016 2024 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe DesktopLayer.exe PID 2024 wrote to memory of 2016 2024 95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe DesktopLayer.exe PID 2016 wrote to memory of 1768 2016 DesktopLayer.exe iexplore.exe PID 2016 wrote to memory of 1768 2016 DesktopLayer.exe iexplore.exe PID 2016 wrote to memory of 1768 2016 DesktopLayer.exe iexplore.exe PID 2016 wrote to memory of 1768 2016 DesktopLayer.exe iexplore.exe PID 1768 wrote to memory of 1256 1768 iexplore.exe IEXPLORE.EXE PID 1768 wrote to memory of 1256 1768 iexplore.exe IEXPLORE.EXE PID 1768 wrote to memory of 1256 1768 iexplore.exe IEXPLORE.EXE PID 1768 wrote to memory of 1256 1768 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe"C:\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exeC:\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2024 -
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
PID:2016 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1768 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1256
Network
MITRE ATT&CK Enterprise 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\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\IKII0YQX.txtMD5
737f430f034b2b723b5e1e1f635c9551
SHA1017714ace5faf04d8d6be04ef492a27b3b74128c
SHA256434ee7539a845b9d14bc07731b6a647dc6a5bfc7f76ff0bec26fec6c2090476e
SHA512204ccea1bec5d9cd4b5ed6ae41458a4a65e3033f7c909c1cb35f28fba77339d148f3f12552f1a26cb0db5a9aaf04738a390de3c97a76a0efff0ff08251347645
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\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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\Users\Admin\AppData\Local\Temp\95338461c9f48b1a58359ba44a9ae23f38e39a804be8bec143f94aa1b71e932cSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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memory/1104-60-0x0000000076E11000-0x0000000076E13000-memory.dmpFilesize
8KB
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memory/1104-76-0x0000000000220000-0x000000000024E000-memory.dmpFilesize
184KB
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memory/1256-73-0x0000000000000000-mapping.dmp
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memory/1768-72-0x0000000000000000-mapping.dmp
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memory/1768-79-0x00000000047C0000-0x00000000047C1000-memory.dmpFilesize
4KB
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memory/2016-71-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/2016-67-0x0000000000000000-mapping.dmp
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memory/2024-74-0x00000000003B0000-0x00000000003BF000-memory.dmpFilesize
60KB
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memory/2024-75-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/2024-62-0x0000000000000000-mapping.dmp