Analysis
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max time kernel
146s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26/10/2022, 02:40
Static task
static1
Behavioral task
behavioral1
Sample
c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe
Resource
win7-20220812-en
General
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Target
c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe
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Size
1.6MB
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MD5
b145df1a629490fbc1472c2ab626b3c5
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SHA1
1e49f56f1d7b9fd9c13b413e52155a228a104a2f
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SHA256
c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5
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SHA512
786d317d7261b18abc6195d633e8a304ddf7ba59389099537b6635df49055f97973665a9e2c829552026df17c6de309ebe1e294ae9432c79f1f08ca1c1e12348
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SSDEEP
24576:lKKKKKKGdzswxeqWiZUCM2OLmoQKXIgzodp7UE+IaoZ:0dKeUCPOLmoQX2k
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 opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Kaspersky.exe c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.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 created 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 opened for modification 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\LICLUA.EXE c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\skchobj.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOXEV.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform\OSPPC.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadcs.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeUpdaterInstallMgr.exe c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\1.0\Microsoft.Ink.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\pkeyconfig.companion.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\PROOF\MSLID.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\8.0\x86\VSTARemotingServer.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\HostSideAdapters\Microsoft.VisualStudio.Tools.Office.Excel.HostAdapter.v10.0.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaremr.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\1046\hxdsui.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEREP.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\pidgenx.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.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 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdasc.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\mraut.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\penchs.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSO.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FSTOCK.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\en-US\MSTTSFrontendENU.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdaosp.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\dicjp.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\OPHPROXY.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Office.AddInAdapter.v9.0.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACER3X.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\wab32res.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Oarpmany.exe c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\tpcps.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\ODeploy.exe c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\pipres.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.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 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msaddsr.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\InkObj.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\VBAJET32.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdaprst.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msxactps.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Help\1042\hxdsui.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Web Folders\1033\MSOSVINT.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msadrh15.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\sqloledb.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Filters\odffilt.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\RICHED20.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\msdatl3.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.exe c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\AddInSideAdapters\Microsoft.VisualStudio.Tools.Applications.AddInAdapter.v10.0.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\Contracts\Microsoft.VisualStudio.Tools.Office.Contract.v10.0.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\mshwjpn.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEOLEDB.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\EXP_PDF.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msadomd.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Source Engine\OSE.EXE c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\Microsoft.Ink.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\penkor.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEERR.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\CsiSoap.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\1033\ALRTINTL.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOXMLMF.DLL c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\oledb32.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOICONS.EXE c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\1.7\Microsoft.Ink.dll c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.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 1960 vssadmin.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe Token: SeDebugPrivilege 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe Token: SeBackupPrivilege 1084 vssvc.exe Token: SeRestorePrivilege 1084 vssvc.exe Token: SeAuditPrivilege 1084 vssvc.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1416 wrote to memory of 1520 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 26 PID 1416 wrote to memory of 1520 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 26 PID 1416 wrote to memory of 1520 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 26 PID 1416 wrote to memory of 1520 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 26 PID 1520 wrote to memory of 1960 1520 cmd.exe 28 PID 1520 wrote to memory of 1960 1520 cmd.exe 28 PID 1520 wrote to memory of 1960 1520 cmd.exe 28 PID 1520 wrote to memory of 1960 1520 cmd.exe 28 PID 1416 wrote to memory of 1180 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 30 PID 1416 wrote to memory of 1180 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 30 PID 1416 wrote to memory of 1180 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 30 PID 1416 wrote to memory of 1180 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 30 PID 1416 wrote to memory of 1472 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 32 PID 1416 wrote to memory of 1472 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 32 PID 1416 wrote to memory of 1472 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 32 PID 1416 wrote to memory of 1472 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 32 PID 1416 wrote to memory of 1736 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 34 PID 1416 wrote to memory of 1736 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 34 PID 1416 wrote to memory of 1736 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 34 PID 1416 wrote to memory of 1736 1416 c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe"C:\Users\Admin\AppData\Local\Temp\c7437e64d9727a7418dbe9d733a0789f9358975bafa4924813d40690f37d28e5.exe"1⤵
- Drops startup file
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete2⤵
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1960
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf2⤵
- Drops autorun.inf file
PID:1180
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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:1472
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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:1736
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1084
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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