Analysis
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max time kernel
96s -
max time network
94s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
15-05-2021 06:50
Static task
static1
Behavioral task
behavioral1
Sample
435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe
Resource
win7v20210408
General
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Target
435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe
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Size
101KB
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MD5
0c73ed2919e82a4fbed3c77bf8944216
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SHA1
c165feadb45b45412a62bc8a6b611e5cc6983724
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SHA256
435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54
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SHA512
5d864f84a646bb35cae207632217f6ef3962ba4b8250030136fa0b7388fce463ddda9a590351ac3c4a889b9bb70582eb775f19efc1462425f44c0e8c88bfb541
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exeDesktopLayer.exepid process 1828 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe 2036 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe upx C:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe upx C:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.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/1828-73-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exepid process 484 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe 1828 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px4F48.tmp 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process 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 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\Recovery\AdminActive 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\IntelliForms iexplore.exe 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\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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 Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327255615" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic 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\Toolbar\WebBrowser 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\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{04953F01-B595-11EB-9024-4A259ACFA759} = "0" 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 Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" 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\DomainSuggestion 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\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 2036 DesktopLayer.exe 2036 DesktopLayer.exe 2036 DesktopLayer.exe 2036 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1048 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1048 iexplore.exe 1048 iexplore.exe 1776 IEXPLORE.EXE 1776 IEXPLORE.EXE 1776 IEXPLORE.EXE 1776 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 484 wrote to memory of 1828 484 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe PID 484 wrote to memory of 1828 484 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe PID 484 wrote to memory of 1828 484 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe PID 484 wrote to memory of 1828 484 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe PID 1828 wrote to memory of 2036 1828 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe DesktopLayer.exe PID 1828 wrote to memory of 2036 1828 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe DesktopLayer.exe PID 1828 wrote to memory of 2036 1828 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe DesktopLayer.exe PID 1828 wrote to memory of 2036 1828 435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe DesktopLayer.exe PID 2036 wrote to memory of 1048 2036 DesktopLayer.exe iexplore.exe PID 2036 wrote to memory of 1048 2036 DesktopLayer.exe iexplore.exe PID 2036 wrote to memory of 1048 2036 DesktopLayer.exe iexplore.exe PID 2036 wrote to memory of 1048 2036 DesktopLayer.exe iexplore.exe PID 1048 wrote to memory of 1776 1048 iexplore.exe IEXPLORE.EXE PID 1048 wrote to memory of 1776 1048 iexplore.exe IEXPLORE.EXE PID 1048 wrote to memory of 1776 1048 iexplore.exe IEXPLORE.EXE PID 1048 wrote to memory of 1776 1048 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe"C:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:484 -
C:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exeC:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1828 -
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:2036 -
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:1048 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1048 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1776
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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\Users\Admin\AppData\Local\Temp\435cad9f4cb83c4bfec78301e902d5f4101e6e8638009ac6197c70c47375bf54Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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memory/1048-70-0x0000000000000000-mapping.dmp
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memory/1048-71-0x000007FEFB761000-0x000007FEFB763000-memory.dmpFilesize
8KB
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memory/1048-78-0x0000000004430000-0x0000000004431000-memory.dmpFilesize
4KB
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memory/1776-76-0x0000000000000000-mapping.dmp
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memory/1828-62-0x0000000075AD1000-0x0000000075AD3000-memory.dmpFilesize
8KB
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memory/1828-60-0x0000000000000000-mapping.dmp
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memory/1828-73-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1828-72-0x0000000000230000-0x000000000023F000-memory.dmpFilesize
60KB
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memory/2036-65-0x0000000000000000-mapping.dmp
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memory/2036-69-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB