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Analysis
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max time kernel
173s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 08:02
Static task
static1
Behavioral task
behavioral1
Sample
0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053.dll
Resource
win7-20221111-en
General
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Target
0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053.dll
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Size
292KB
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MD5
878a4181b94040e843c3e1aae0f91950
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SHA1
109b096f669bd0f941a75a8ddb75ac7309d7fd25
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SHA256
0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053
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SHA512
9f3b6b7078bd25911e567dd92970cb3e53539d0f5c72ceea2829ac7206de9068de9431a637a334d8de253adf7e60e2ee1575fce51c94f24ca783f34705f123f1
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SSDEEP
6144:Dl9XgnzxOP/sFR2h+9q1kih6ibUxrp3/vIyRBvj0WwpF9F:DlCzcMg+9YkDiQ3/QWr9wpF9
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1556 rundll32Srv.exe 4268 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x000a00000002313e-134.dat upx behavioral2/files/0x000a00000002313e-135.dat upx behavioral2/files/0x0009000000023141-137.dat upx behavioral2/files/0x0009000000023141-138.dat upx behavioral2/memory/1556-139-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4268-140-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe rundll32Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe rundll32Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\px24FD.tmp rundll32Srv.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 5112 832 WerFault.exe 82 -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999742" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1423559601" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999742" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9C9306C8-70B1-11ED-919F-66CD4AA2E676} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1423559601" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4268 DesktopLayer.exe 4268 DesktopLayer.exe 4268 DesktopLayer.exe 4268 DesktopLayer.exe 4268 DesktopLayer.exe 4268 DesktopLayer.exe 4268 DesktopLayer.exe 4268 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4520 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4520 iexplore.exe 4520 iexplore.exe 2280 IEXPLORE.EXE 2280 IEXPLORE.EXE 2280 IEXPLORE.EXE 2280 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4304 wrote to memory of 832 4304 rundll32.exe 82 PID 4304 wrote to memory of 832 4304 rundll32.exe 82 PID 4304 wrote to memory of 832 4304 rundll32.exe 82 PID 832 wrote to memory of 1556 832 rundll32.exe 83 PID 832 wrote to memory of 1556 832 rundll32.exe 83 PID 832 wrote to memory of 1556 832 rundll32.exe 83 PID 1556 wrote to memory of 4268 1556 rundll32Srv.exe 84 PID 1556 wrote to memory of 4268 1556 rundll32Srv.exe 84 PID 1556 wrote to memory of 4268 1556 rundll32Srv.exe 84 PID 4268 wrote to memory of 4520 4268 DesktopLayer.exe 85 PID 4268 wrote to memory of 4520 4268 DesktopLayer.exe 85 PID 4520 wrote to memory of 2280 4520 iexplore.exe 90 PID 4520 wrote to memory of 2280 4520 iexplore.exe 90 PID 4520 wrote to memory of 2280 4520 iexplore.exe 90
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0afd433b4b54b1164813c3127564cb7a4b93db9eae8b86710b0e0c5ec7677053.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Windows\SysWOW64\rundll32Srv.exeC:\Windows\SysWOW64\rundll32Srv.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4520 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 6123⤵
- Program crash
PID:5112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 832 -ip 8321⤵PID:3596
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a