Analysis
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max time kernel
120s -
max time network
177s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
04-04-2022 03:32
Static task
static1
Behavioral task
behavioral1
Sample
jxszdjp.exe
Resource
win7-20220331-en
General
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Target
jxszdjp.exe
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Size
1023KB
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MD5
5f6a5e59586760420c29a82336845e25
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SHA1
9c078d849c2505576d98cf9e8b0e30c777e06bc7
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SHA256
87c160843bc0bdcd754a151c288f899763494385830016c299245f1fe9354b54
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SHA512
bb77c4a584eeae46a8e64f9c0e1a6d749ad869e6ca0951ac030ff85ec4239a985f8fd9307af29c2e15e6a16e1227bd55696d78fa9b424fcb0cfd337e5f4bf1da
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
jxszdjpSrv.exeDesktopLayer.exepid process 1252 jxszdjpSrv.exe 2004 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\jxszdjpSrv.exe upx C:\Users\Admin\AppData\Local\Temp\jxszdjpSrv.exe upx C:\Users\Admin\AppData\Local\Temp\jxszdjpSrv.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/1252-64-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2004-67-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
jxszdjp.exejxszdjpSrv.exepid process 1920 jxszdjp.exe 1252 jxszdjpSrv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
jxszdjpSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px3E39.tmp jxszdjpSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe jxszdjpSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe jxszdjpSrv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6C49C981-B3E0-11EC-8769-4A200438DAD6} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "355818691" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 2004 DesktopLayer.exe 2004 DesktopLayer.exe 2004 DesktopLayer.exe 2004 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1456 iexplore.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
jxszdjp.exeiexplore.exeIEXPLORE.EXEpid process 1920 jxszdjp.exe 1920 jxszdjp.exe 1920 jxszdjp.exe 1456 iexplore.exe 1456 iexplore.exe 680 IEXPLORE.EXE 680 IEXPLORE.EXE 680 IEXPLORE.EXE 680 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
jxszdjp.exejxszdjpSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 1920 wrote to memory of 1252 1920 jxszdjp.exe jxszdjpSrv.exe PID 1920 wrote to memory of 1252 1920 jxszdjp.exe jxszdjpSrv.exe PID 1920 wrote to memory of 1252 1920 jxszdjp.exe jxszdjpSrv.exe PID 1920 wrote to memory of 1252 1920 jxszdjp.exe jxszdjpSrv.exe PID 1252 wrote to memory of 2004 1252 jxszdjpSrv.exe DesktopLayer.exe PID 1252 wrote to memory of 2004 1252 jxszdjpSrv.exe DesktopLayer.exe PID 1252 wrote to memory of 2004 1252 jxszdjpSrv.exe DesktopLayer.exe PID 1252 wrote to memory of 2004 1252 jxszdjpSrv.exe DesktopLayer.exe PID 2004 wrote to memory of 1456 2004 DesktopLayer.exe iexplore.exe PID 2004 wrote to memory of 1456 2004 DesktopLayer.exe iexplore.exe PID 2004 wrote to memory of 1456 2004 DesktopLayer.exe iexplore.exe PID 2004 wrote to memory of 1456 2004 DesktopLayer.exe iexplore.exe PID 1456 wrote to memory of 680 1456 iexplore.exe IEXPLORE.EXE PID 1456 wrote to memory of 680 1456 iexplore.exe IEXPLORE.EXE PID 1456 wrote to memory of 680 1456 iexplore.exe IEXPLORE.EXE PID 1456 wrote to memory of 680 1456 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\jxszdjp.exe"C:\Users\Admin\AppData\Local\Temp\jxszdjp.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Local\Temp\jxszdjpSrv.exeC:\Users\Admin\AppData\Local\Temp\jxszdjpSrv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1252 -
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:2004 -
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:1456 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1456 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:680
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\jxszdjpSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\jxszdjpSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\WIRNNQVA.txtFilesize
604B
MD56a9a036c2c8d8b17cdf451a96fd3d288
SHA1f9ea5bcda7e8df5d38ae6bd4a69810bcf4874e8e
SHA25607e8a58650cac023a0aa33c42401ff1553ca2cd091f1562b4dde9a45b03a233a
SHA51220ba918284367924f83c9ff202408d0fb1caf6a4454063a0be6829f26ff58ed6bf632d85b5f7813cc53238ab3dda6b7804ac5b381334c2793d4c11be8ed3acdc
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\Program Files (x86)\Microsoft\DesktopLayer.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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\Users\Admin\AppData\Local\Temp\jxszdjpSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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memory/1252-64-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1252-56-0x0000000000000000-mapping.dmp
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memory/1920-54-0x0000000075D61000-0x0000000075D63000-memory.dmpFilesize
8KB
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memory/2004-61-0x0000000000000000-mapping.dmp
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memory/2004-66-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/2004-67-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB