Analysis
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max time kernel
108s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-06-2022 22:12
Static task
static1
Behavioral task
behavioral1
Sample
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe
Resource
win7-20220414-en
General
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Target
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe
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Size
740KB
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MD5
e637897d511e7ca5b3552e9c117a31c5
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SHA1
76e3ed343f0a77ee0f4b1b215fa320764b2eb6c0
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SHA256
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24
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SHA512
20bf232b20a0a68cbed85135cee147291ab57acfa4eeb9fcf494de12490c32434e2e498ddee425639dd56031b59722a2ad99c1cab8eb250c162837f8c9e62c78
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exeDesktopLayer.exepid process 1360 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe 1616 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe upx C:\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe upx C:\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe upx \Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/1360-62-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/1616-66-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exepid process 1324 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe 1360 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\pxF5E4.tmp 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362535554" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5AFD0B21-F0F7-11EC-AFF0-D6AF54037788} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 1616 DesktopLayer.exe 1616 DesktopLayer.exe 1616 DesktopLayer.exe 1616 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 948 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exeiexplore.exeIEXPLORE.EXEpid process 1324 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe 1324 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe 948 iexplore.exe 948 iexplore.exe 688 IEXPLORE.EXE 688 IEXPLORE.EXE 688 IEXPLORE.EXE 688 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 1324 wrote to memory of 1360 1324 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe PID 1324 wrote to memory of 1360 1324 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe PID 1324 wrote to memory of 1360 1324 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe PID 1324 wrote to memory of 1360 1324 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe PID 1360 wrote to memory of 1616 1360 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe DesktopLayer.exe PID 1360 wrote to memory of 1616 1360 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe DesktopLayer.exe PID 1360 wrote to memory of 1616 1360 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe DesktopLayer.exe PID 1360 wrote to memory of 1616 1360 318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe DesktopLayer.exe PID 1616 wrote to memory of 948 1616 DesktopLayer.exe iexplore.exe PID 1616 wrote to memory of 948 1616 DesktopLayer.exe iexplore.exe PID 1616 wrote to memory of 948 1616 DesktopLayer.exe iexplore.exe PID 1616 wrote to memory of 948 1616 DesktopLayer.exe iexplore.exe PID 948 wrote to memory of 688 948 iexplore.exe IEXPLORE.EXE PID 948 wrote to memory of 688 948 iexplore.exe IEXPLORE.EXE PID 948 wrote to memory of 688 948 iexplore.exe IEXPLORE.EXE PID 948 wrote to memory of 688 948 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe"C:\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exeC:\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1360 -
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:1616 -
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:948 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:948 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:688
Network
MITRE ATT&CK Enterprise 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\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\0G2YOULN.txtFilesize
600B
MD56eb474a63d30ddd30f77449294a9d010
SHA1fbc798a63cea0b758e9ddbeb02688e66ac7a4d61
SHA2563c410ed730aec0a4388bf4868095ac6b8f24ff5677b0e252c81b922fb0f3404c
SHA5121f323ef5907f8e7b18000eb64dd37d6752defe8fd50dff14882fe5fbff65cb9435f21e3ffa685cd23e15a444be06c5f607af03de2ce6bb0a6f723673ee9984ff
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\Program Files (x86)\Microsoft\DesktopLayer.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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\Users\Admin\AppData\Local\Temp\318336480668018cb8001daa853e89d36ec96ebfff009f73c6a7271d3aee4c24Srv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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memory/1324-54-0x0000000076011000-0x0000000076013000-memory.dmpFilesize
8KB
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memory/1324-67-0x0000000000400000-0x00000000004C9000-memory.dmpFilesize
804KB
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memory/1324-68-0x0000000000400000-0x00000000004C9000-memory.dmpFilesize
804KB
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memory/1360-62-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1360-56-0x0000000000000000-mapping.dmp
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memory/1616-61-0x0000000000000000-mapping.dmp
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memory/1616-66-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB