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Analysis
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max time kernel
93s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/09/2024, 10:14
Static task
static1
Behavioral task
behavioral1
Sample
ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe
Resource
win7-20240903-en
General
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Target
ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe
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Size
292KB
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MD5
540ce6edb77a6941dcee1d03536a04df
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SHA1
3be74dd166444f5b78b3f21206a40bbdd08cc5c8
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SHA256
ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10
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SHA512
acb69ca66bc242016d80ccbb6367d641edd90e6264f1a4f358f1d435c8916acc7af5ca12fc5a58db34dee3e58e4d8d54d23d443ee151f41a5319e53e955b14b0
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SSDEEP
6144:0GWajvSsANgXb8MtQXrZ0giO7WNNw1DtPE:1z5XbNtYrCOYufE
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3696 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe 2868 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe 4524 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x0009000000023442-3.dat upx behavioral2/memory/3696-5-0x0000000000400000-0x000000000045B000-memory.dmp upx behavioral2/memory/2868-8-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x000800000002349e-7.dat upx behavioral2/memory/2868-13-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4524-22-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4524-20-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/3696-24-0x0000000000400000-0x000000000045B000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\px8E36.tmp ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4712 3696 WerFault.exe 86 -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DesktopLayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31129267" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1175087275" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "432209832" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31129267" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{71A5A324-6AA6-11EF-98CC-D6586EC96307} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1175087275" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1179618598" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31129267" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4524 DesktopLayer.exe 4524 DesktopLayer.exe 4524 DesktopLayer.exe 4524 DesktopLayer.exe 4524 DesktopLayer.exe 4524 DesktopLayer.exe 4524 DesktopLayer.exe 4524 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4796 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4796 iexplore.exe 4796 iexplore.exe 4268 IEXPLORE.EXE 4268 IEXPLORE.EXE 4268 IEXPLORE.EXE 4268 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4204 wrote to memory of 3696 4204 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe 86 PID 4204 wrote to memory of 3696 4204 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe 86 PID 4204 wrote to memory of 3696 4204 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe 86 PID 4204 wrote to memory of 2868 4204 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe 87 PID 4204 wrote to memory of 2868 4204 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe 87 PID 4204 wrote to memory of 2868 4204 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe 87 PID 2868 wrote to memory of 4524 2868 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe 89 PID 2868 wrote to memory of 4524 2868 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe 89 PID 2868 wrote to memory of 4524 2868 ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe 89 PID 4524 wrote to memory of 4796 4524 DesktopLayer.exe 91 PID 4524 wrote to memory of 4796 4524 DesktopLayer.exe 91 PID 4796 wrote to memory of 4268 4796 iexplore.exe 93 PID 4796 wrote to memory of 4268 4796 iexplore.exe 93 PID 4796 wrote to memory of 4268 4796 iexplore.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe"C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exeC:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3696 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 2723⤵
- Program crash
PID:4712
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C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exeC:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4524 -
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:4796 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4796 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3696 -ip 36961⤵PID:3720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD592263a7b40579a5aa3e1485ae1c154af
SHA1a586a9471059d10b8e36f6a2107a58d847cc613d
SHA25677fb89fead00c3f22b6f498a5ce4cd4b236266dee3318fc8d40187cdaa249c6e
SHA5125f3f751ef29629bd833eec7e9ced83ce102542c6a512be8dcc783f23b184e2a5fe340b052b4cfa7f988eaed22c2788ca287dde91e10875c48b2183b0d4d2a07c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5b2d3fe7016532f98eb3bf4bab8174bb4
SHA17a6c627715a6205d200419cb49983b2b58e68933
SHA2561b85032ad6964b63b70d282969e5fec89ea7a8a01b943a2439dd494bc864e261
SHA512d1ae2c74a1f6e6890cfd66c445705c4866ccb31c72f40f2cb4ccd14f100799b48b02942bda95f9de28df74c06d462a94c27a9b342325f8d6a0064d81dcb67f37
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10Srv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\ebe100770959aa1565f61177e0c693a256ecbe1d639c1e4552032864efb70c10mgr.exe
Filesize105KB
MD5dfb5daabb95dcfad1a5faf9ab1437076
SHA14a199569a9b52911bee7fb19ab80570cc5ff9ed1
SHA25654282ec29d4993ed6e9972122cfbb70bba4898a21d527bd9e72a166d7ec2fdc0
SHA5125d31c34403ab5f8db4a6d84f2b5579d4ea18673914b626d78e458a648ac20ddd8e342818e807331036d7bb064f596a02b9737acac42fbead29260343a30717e8