Analysis
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max time kernel
141s -
max time network
139s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 12:20
Static task
static1
Behavioral task
behavioral1
Sample
9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe
Resource
win7v20210410
General
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Target
9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe
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Size
540KB
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MD5
23d1aa9b71a08e1fe727c5c66b214022
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SHA1
4ba3857925a3b24349120f7d0794f519ecd96d9a
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SHA256
9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f
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SHA512
7213ef953dc7d1789eeef57cdbdd9d17ff7a96c8cbdf0015c3cae51829ad9051d2a317aade659c6259cc596704510b9779a92db8de09d79c829948c4af94d540
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exeDesktopLayer.exepid process 1972 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe 1968 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe upx C:\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe upx C:\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.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/1972-74-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exepid process 1904 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe 1972 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px3A9.tmp 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process 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\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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 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\DomainSuggestion\FileNames 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\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D2C21091-B470-11EB-9BAB-4EEA6C3C430B} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327733201" 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 (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\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 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\Toolbar 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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic 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 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\PendingRecovery 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 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 1968 DesktopLayer.exe 1968 DesktopLayer.exe 1968 DesktopLayer.exe 1968 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 1740 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1740 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1740 iexplore.exe 1740 iexplore.exe 1568 IEXPLORE.EXE 1568 IEXPLORE.EXE 1568 IEXPLORE.EXE 1568 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 1904 wrote to memory of 1972 1904 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe PID 1904 wrote to memory of 1972 1904 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe PID 1904 wrote to memory of 1972 1904 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe PID 1904 wrote to memory of 1972 1904 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe PID 1972 wrote to memory of 1968 1972 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe DesktopLayer.exe PID 1972 wrote to memory of 1968 1972 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe DesktopLayer.exe PID 1972 wrote to memory of 1968 1972 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe DesktopLayer.exe PID 1972 wrote to memory of 1968 1972 9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe DesktopLayer.exe PID 1968 wrote to memory of 1740 1968 DesktopLayer.exe iexplore.exe PID 1968 wrote to memory of 1740 1968 DesktopLayer.exe iexplore.exe PID 1968 wrote to memory of 1740 1968 DesktopLayer.exe iexplore.exe PID 1968 wrote to memory of 1740 1968 DesktopLayer.exe iexplore.exe PID 1740 wrote to memory of 1568 1740 iexplore.exe IEXPLORE.EXE PID 1740 wrote to memory of 1568 1740 iexplore.exe IEXPLORE.EXE PID 1740 wrote to memory of 1568 1740 iexplore.exe IEXPLORE.EXE PID 1740 wrote to memory of 1568 1740 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe"C:\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96f.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exeC:\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1972 -
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:1968 -
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:1740 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1740 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1568
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\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\KSO1DGM1.txtMD5
49af5fea4973c605fdbc993419c8266c
SHA11c545efe2e2a52047f3aea9805f6eb9fb5d0edeb
SHA2565875416b8e24090a7249346c5bde07d62c65a49c0080e37ed226a43e8eaef834
SHA51289364cdc2c27fa26fc67aca88431e029263c40198fa930109a06b64b795a851e2e3537fc7cdf37e9a958042d84a4144e7a567bcaf8c3033aa04e00529b1ff0ef
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\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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\Users\Admin\AppData\Local\Temp\9dce97ef8b211295b3b34a16f101cd43265109acfb48b76f7f51446235f0a96fSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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memory/1568-72-0x0000000000000000-mapping.dmp
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memory/1740-78-0x00000000044F0000-0x00000000044F1000-memory.dmpFilesize
4KB
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memory/1740-71-0x0000000000000000-mapping.dmp
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memory/1904-59-0x0000000074FB1000-0x0000000074FB3000-memory.dmpFilesize
8KB
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memory/1904-75-0x00000000003B0000-0x00000000003DE000-memory.dmpFilesize
184KB
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memory/1968-66-0x0000000000000000-mapping.dmp
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memory/1968-70-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1972-61-0x0000000000000000-mapping.dmp
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memory/1972-73-0x0000000000230000-0x000000000023F000-memory.dmpFilesize
60KB
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memory/1972-74-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB