Analysis
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max time kernel
113s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
16-06-2022 02:29
Static task
static1
Behavioral task
behavioral1
Sample
280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe
Resource
win7-20220414-en
General
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Target
280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe
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Size
1012KB
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MD5
469f2cccb3b3f3d3a275b854d47e7587
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SHA1
7ca9ee855ce370e75715be748874bad2e4628160
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SHA256
280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c
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SHA512
3f16750b39338f5f3b2ef63bc1c6a154aa241041f154954b1091a3c147de119449c273c3f10ea3f426e784e67a2dc3d30e81bdb0fed845de6063d135715cd354
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeDesktopLayer.exepid process 1204 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe 1660 DesktopLayer.exe -
Stops running service(s) 3 TTPs
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Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe upx C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe upx C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe upx behavioral1/memory/1204-64-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx \Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/1660-67-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1972 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exepid process 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe 1204 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral1/memory/1532-55-0x00000000012F0000-0x00000000013F5000-memory.dmp autoit_exe behavioral1/memory/1532-72-0x00000000012F0000-0x00000000013F5000-memory.dmp autoit_exe -
Drops file in Program Files directory 3 IoCs
Processes:
280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px45A9.tmp 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1732 sc.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 1908 taskkill.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{10ACD211-ED2F-11EC-B705-D6AF54037788} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362119680" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 1660 DesktopLayer.exe 1660 DesktopLayer.exe 1660 DesktopLayer.exe 1660 DesktopLayer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 1908 taskkill.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1092 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1092 iexplore.exe 1092 iexplore.exe 1848 IEXPLORE.EXE 1848 IEXPLORE.EXE 1848 IEXPLORE.EXE 1848 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeDesktopLayer.execmd.execmd.exeiexplore.exedescription pid process target process PID 1532 wrote to memory of 1204 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe PID 1532 wrote to memory of 1204 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe PID 1532 wrote to memory of 1204 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe PID 1532 wrote to memory of 1204 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe PID 1204 wrote to memory of 1660 1204 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe DesktopLayer.exe PID 1204 wrote to memory of 1660 1204 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe DesktopLayer.exe PID 1204 wrote to memory of 1660 1204 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe DesktopLayer.exe PID 1204 wrote to memory of 1660 1204 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exe DesktopLayer.exe PID 1660 wrote to memory of 1092 1660 DesktopLayer.exe iexplore.exe PID 1660 wrote to memory of 1092 1660 DesktopLayer.exe iexplore.exe PID 1660 wrote to memory of 1092 1660 DesktopLayer.exe iexplore.exe PID 1660 wrote to memory of 1092 1660 DesktopLayer.exe iexplore.exe PID 1532 wrote to memory of 1100 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1532 wrote to memory of 1100 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1532 wrote to memory of 1100 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1532 wrote to memory of 1100 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1100 wrote to memory of 1732 1100 cmd.exe sc.exe PID 1100 wrote to memory of 1732 1100 cmd.exe sc.exe PID 1100 wrote to memory of 1732 1100 cmd.exe sc.exe PID 1532 wrote to memory of 1972 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1532 wrote to memory of 1972 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1532 wrote to memory of 1972 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1532 wrote to memory of 1972 1532 280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe cmd.exe PID 1972 wrote to memory of 536 1972 cmd.exe PING.EXE PID 1972 wrote to memory of 536 1972 cmd.exe PING.EXE PID 1972 wrote to memory of 536 1972 cmd.exe PING.EXE PID 1972 wrote to memory of 1908 1972 cmd.exe taskkill.exe PID 1972 wrote to memory of 1908 1972 cmd.exe taskkill.exe PID 1972 wrote to memory of 1908 1972 cmd.exe taskkill.exe PID 1092 wrote to memory of 1848 1092 iexplore.exe IEXPLORE.EXE PID 1092 wrote to memory of 1848 1092 iexplore.exe IEXPLORE.EXE PID 1092 wrote to memory of 1848 1092 iexplore.exe IEXPLORE.EXE PID 1092 wrote to memory of 1848 1092 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe"C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeC:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.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:1092 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c SC delete Updateuser2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\sc.exeSC delete Updateuser3⤵
- Launches sc.exe
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C:\Windows\system32\cmd.execmd /c ping 127.0.0.1 -n 2 & taskkill /f /pid "1532"& del /q/f/a "C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20c.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
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C:\Windows\system32\taskkill.exetaskkill /f /pid "1532"3⤵
- Kills process with taskkill
- 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.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\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\W2BDA1EL.txtFilesize
598B
MD594003f1503ec95edf5e997fb83158d1a
SHA19298a369aa0f0e4b08138932710c1dc7e80b6025
SHA256034bff216021bc7427d52a7c7c09c193dc6153b851685679ce94bdbc36f99460
SHA512f9764cef15a2c77cb141494a581aedc9839c7ddc6fb6adbec4999e19865926d620d2378d7865f6346bd7dcdf899304095d8e4a53f62c440fe13f2d8a0d59b56f
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\Program Files (x86)\Microsoft\DesktopLayer.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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\Users\Admin\AppData\Local\Temp\280c9f1d465c2c41adcfd7bd7741870c0820a6541b39f87545e9180502b4e20cSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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memory/536-71-0x0000000000000000-mapping.dmp
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memory/1100-68-0x0000000000000000-mapping.dmp
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memory/1204-64-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1204-57-0x0000000000000000-mapping.dmp
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memory/1532-54-0x0000000076241000-0x0000000076243000-memory.dmpFilesize
8KB
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memory/1532-72-0x00000000012F0000-0x00000000013F5000-memory.dmpFilesize
1.0MB
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memory/1532-55-0x00000000012F0000-0x00000000013F5000-memory.dmpFilesize
1.0MB
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memory/1660-62-0x0000000000000000-mapping.dmp
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memory/1660-67-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1732-69-0x0000000000000000-mapping.dmp
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memory/1908-73-0x0000000000000000-mapping.dmp
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memory/1972-70-0x0000000000000000-mapping.dmp