Analysis
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max time kernel
98s -
max time network
140s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
13-05-2021 13:42
Static task
static1
Behavioral task
behavioral1
Sample
26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe
Resource
win7v20210408
General
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Target
26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe
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Size
468KB
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MD5
4cd9413da8554a9f7d622afa039d6408
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SHA1
594c77cbf607b38fb5d30e53943590e0ebd303a2
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SHA256
26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7
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SHA512
7ffff144991f320ff02e061eaaf93dca211b96f67ae066623782c9a3557e093ac99d9f312cd04e5561538ca164ce0f7d43e4e37c95dbc5daad9d632a9a16a487
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exeDesktopLayer.exepid process 1920 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe 1244 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe upx C:\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe upx C:\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.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/1920-74-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exepid process 1768 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe 1920 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px6E4.tmp 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327148375" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{53E5D281-B49B-11EB-995E-4607060FEA31} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 1244 DesktopLayer.exe 1244 DesktopLayer.exe 1244 DesktopLayer.exe 1244 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1896 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1896 iexplore.exe 1896 iexplore.exe 2024 IEXPLORE.EXE 2024 IEXPLORE.EXE 2024 IEXPLORE.EXE 2024 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 1768 wrote to memory of 1920 1768 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe PID 1768 wrote to memory of 1920 1768 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe PID 1768 wrote to memory of 1920 1768 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe PID 1768 wrote to memory of 1920 1768 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe PID 1920 wrote to memory of 1244 1920 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe DesktopLayer.exe PID 1920 wrote to memory of 1244 1920 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe DesktopLayer.exe PID 1920 wrote to memory of 1244 1920 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe DesktopLayer.exe PID 1920 wrote to memory of 1244 1920 26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe DesktopLayer.exe PID 1244 wrote to memory of 1896 1244 DesktopLayer.exe iexplore.exe PID 1244 wrote to memory of 1896 1244 DesktopLayer.exe iexplore.exe PID 1244 wrote to memory of 1896 1244 DesktopLayer.exe iexplore.exe PID 1244 wrote to memory of 1896 1244 DesktopLayer.exe iexplore.exe PID 1896 wrote to memory of 2024 1896 iexplore.exe IEXPLORE.EXE PID 1896 wrote to memory of 2024 1896 iexplore.exe IEXPLORE.EXE PID 1896 wrote to memory of 2024 1896 iexplore.exe IEXPLORE.EXE PID 1896 wrote to memory of 2024 1896 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe"C:\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exeC:\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1920 -
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:1244 -
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
PID:1896 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1896 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2024
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\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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\Users\Admin\AppData\Local\Temp\26e65682e603b15c41953c9d2be0cc07b3db8172fda9e314f2e18995f8309de7Srv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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memory/1244-70-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1244-66-0x0000000000000000-mapping.dmp
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memory/1768-75-0x0000000000220000-0x000000000024E000-memory.dmpFilesize
184KB
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memory/1896-71-0x0000000000000000-mapping.dmp
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memory/1896-72-0x000007FEFC0C1000-0x000007FEFC0C3000-memory.dmpFilesize
8KB
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memory/1896-79-0x0000000003CA0000-0x0000000003CA1000-memory.dmpFilesize
4KB
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memory/1920-63-0x00000000769B1000-0x00000000769B3000-memory.dmpFilesize
8KB
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memory/1920-61-0x0000000000000000-mapping.dmp
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memory/1920-74-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1920-73-0x0000000000230000-0x000000000023F000-memory.dmpFilesize
60KB
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memory/2024-78-0x0000000000000000-mapping.dmp