Analysis
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max time kernel
104s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-07-2022 17:09
Static task
static1
Behavioral task
behavioral1
Sample
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe
Resource
win7-20220414-en
General
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Target
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe
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Size
1.9MB
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MD5
bc89ccd9f7b8c62579d6f66b8d19e0a6
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SHA1
fb96cf32c3707f7b01816f2f646a90749f976496
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SHA256
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d
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SHA512
4a84f32430fc3779a2c5e03982087a7da386a4021212816a85dd261e42796152441323074a3153b20b8fc4a98a8c6788c45d47cd43156fe1f970ad18fc8921f6
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeDesktopLayer.exepid process 1756 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe 1488 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe upx C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe upx C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/1756-63-0x0000000000400000-0x000000000042E000-memory.dmp upx \Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/1488-66-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx -
Loads dropped DLL 2 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exee1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exepid process 960 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe 1756 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px18DF.tmp e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "364077999" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A4689B71-FEFE-11EC-9794-7EE61918B1DD} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 1488 DesktopLayer.exe 1488 DesktopLayer.exe 1488 DesktopLayer.exe 1488 DesktopLayer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exedescription pid process Token: SeDebugPrivilege 960 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 852 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 852 iexplore.exe 852 iexplore.exe 472 IEXPLORE.EXE 472 IEXPLORE.EXE 472 IEXPLORE.EXE 472 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exee1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 960 wrote to memory of 1756 960 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe PID 960 wrote to memory of 1756 960 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe PID 960 wrote to memory of 1756 960 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe PID 960 wrote to memory of 1756 960 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe PID 1756 wrote to memory of 1488 1756 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe DesktopLayer.exe PID 1756 wrote to memory of 1488 1756 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe DesktopLayer.exe PID 1756 wrote to memory of 1488 1756 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe DesktopLayer.exe PID 1756 wrote to memory of 1488 1756 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe DesktopLayer.exe PID 1488 wrote to memory of 852 1488 DesktopLayer.exe iexplore.exe PID 1488 wrote to memory of 852 1488 DesktopLayer.exe iexplore.exe PID 1488 wrote to memory of 852 1488 DesktopLayer.exe iexplore.exe PID 1488 wrote to memory of 852 1488 DesktopLayer.exe iexplore.exe PID 852 wrote to memory of 472 852 iexplore.exe IEXPLORE.EXE PID 852 wrote to memory of 472 852 iexplore.exe IEXPLORE.EXE PID 852 wrote to memory of 472 852 iexplore.exe IEXPLORE.EXE PID 852 wrote to memory of 472 852 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe"C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeC:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:852 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\I234AFY4.txtFilesize
602B
MD5365368d4fbb68a3825c1afafb8b44082
SHA1f6269d9d1ef9f603120818c053ef4b440c3390a4
SHA256d7b96c5f13ead5a5e3d03dc63195a0fc8a550258842e3b826fda0eb0222af288
SHA5120ec804423f72b8f61495ab473718386f11bcf971b3aa8fb2bff2e86228ddde8c6de0dec7d31d964206bfec459811f18d2d7a0ee02ee1c6dabd36d19b963235a0
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\Program Files (x86)\Microsoft\DesktopLayer.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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memory/960-67-0x0000000000400000-0x00000000005E8000-memory.dmpFilesize
1.9MB
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memory/960-69-0x0000000000220000-0x000000000024E000-memory.dmpFilesize
184KB
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memory/960-68-0x0000000000220000-0x000000000024E000-memory.dmpFilesize
184KB
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memory/960-54-0x0000000076571000-0x0000000076573000-memory.dmpFilesize
8KB
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memory/1488-66-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1488-61-0x0000000000000000-mapping.dmp
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memory/1756-63-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1756-56-0x0000000000000000-mapping.dmp