Analysis
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max time kernel
121s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
17-10-2022 14:40
Static task
static1
Behavioral task
behavioral1
Sample
ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe
Resource
win7-20220901-en
General
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Target
ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe
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Size
943KB
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MD5
fd80ca0670b116de39cf05e7e727f211
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SHA1
31f6514f133ac264843a05783bfb85674bc54aae
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SHA256
ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27
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SHA512
82170894116cdc09736810a25dde42c70da3a695916659eb82c6c6468a94495fa14e98877f271f5228a22a97de31ed44268a659f991dbb63ef5fcb4fe46e496c
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SSDEEP
12288:lKKKKKuC0i1esXq4cQmmTsG0OzSDWeVJDFUcPXCk3McMyFNJGYBYsY3NvGPiveO2:lKKKKKsxr4cQFTj0OZeVJ904Xppc0
Malware Config
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\autorun.inf cmd.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\autorun.inf cmd.exe File created C:\Users\Admin\AppData\Local\Temp\autorun.inf cmd.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSORES.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\USP10.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1STAR.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Source Engine\OSE.EXE ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\vstoee.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaremr.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOXEV.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaprsr.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\DESIGNER\MSADDNDR.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Office.Word.AddInAdapter.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSLoc.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSCommon.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdasc.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\1.7\Microsoft.Ink.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\OFFREL.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\mshwjpn.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\penusa.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msxactps.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\1033\ALRTINTL.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\IMCONTACT.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Web Server Extensions\14\BIN\FPWEC.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeUpdaterInstallMgr.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WksConv\Wkconv.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEES.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEODDBS.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\1033\ACEODBCI.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\1033\OARPMANR.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\OSETUP.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\1033\STINTL.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\Contracts\Microsoft.VisualStudio.Tools.Office.Contract.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdfmap.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\imjplm.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEREP.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FPLACE.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1XTOR.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msaddsr.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdarem.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\1.0\Microsoft.Ink.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\Adobe AIR Updater.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\mip.exe ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\2052\hxdsui.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\Microsoft.Ink.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\ESEN\MSB1ESEN.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdaosp.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\pdfshell.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\MSClientDataMgr\MSCDM.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform\OSPPREARM.EXE ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\1033\hxdsui.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACETXT.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\pkeyconfig.companion.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Csi.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSPTLS.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\pipres.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\EXPSRV.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\1033\ACEINTL.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Applications.AddInAdapter.v9.0.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Web Folders\MSOSV.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\xmlrwbin.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\ITIRCL55.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACER3X.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\OPHPROXY.DLL ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VGX\VGX.dll ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1472 vssadmin.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe Token: SeDebugPrivilege 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe Token: SeBackupPrivilege 1640 vssvc.exe Token: SeRestorePrivilege 1640 vssvc.exe Token: SeAuditPrivilege 1640 vssvc.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1200 wrote to memory of 2008 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 27 PID 1200 wrote to memory of 2008 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 27 PID 1200 wrote to memory of 2008 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 27 PID 1200 wrote to memory of 2008 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 27 PID 2008 wrote to memory of 1472 2008 cmd.exe 29 PID 2008 wrote to memory of 1472 2008 cmd.exe 29 PID 2008 wrote to memory of 1472 2008 cmd.exe 29 PID 2008 wrote to memory of 1472 2008 cmd.exe 29 PID 1200 wrote to memory of 1516 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 31 PID 1200 wrote to memory of 1516 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 31 PID 1200 wrote to memory of 1516 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 31 PID 1200 wrote to memory of 1516 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 31 PID 1200 wrote to memory of 1744 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 33 PID 1200 wrote to memory of 1744 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 33 PID 1200 wrote to memory of 1744 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 33 PID 1200 wrote to memory of 1744 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 33 PID 1200 wrote to memory of 1396 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 35 PID 1200 wrote to memory of 1396 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 35 PID 1200 wrote to memory of 1396 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 35 PID 1200 wrote to memory of 1396 1200 ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe"C:\Users\Admin\AppData\Local\Temp\ef086cde35616e48437ed4c56b27323b85046382adf50f4a03c1ef5740df9f27.exe"1⤵
- Drops startup file
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete2⤵
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1472
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf2⤵
- Drops autorun.inf file
PID:1516
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf2⤵
- Drops autorun.inf file
PID:1744
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf2⤵
- Drops autorun.inf file
PID:1396
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1640
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
37B
MD53883f693b2911e7b9cabaf1d89601ebd
SHA1a733bc5b66e5b7beb1ab54ce430ff16cdb935fcb
SHA256747ea7ec54ee0bc9b637867de0c451df65c840f757988f5a3b6e3fe6c73ab1b6
SHA51241fb0555004f392f2c67fd7675d2aea2a7a28a4f51d92237fdaff2d60624c559a5401335887b66f49a721dff669f8f9bd150fde0afe0845eb366309ca1088a98
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Filesize
65B
MD5fbefa88e6b51c05dd63d97dfdbeb3589
SHA167e09918d878c6615befab5dc9194439027f268d
SHA2563861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1
SHA51258f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f
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Filesize
65B
MD5fbefa88e6b51c05dd63d97dfdbeb3589
SHA167e09918d878c6615befab5dc9194439027f268d
SHA2563861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1
SHA51258f8c1a64f2eb21be7b96db335d1ade0ce0878566a8386b3689b650132ca28e14761b20fdfe50f2af9915dff2bdd3a5b07f6f3ed082e4e6998ec5f0cd052f12f