028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf

General

Target

028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Size

118KB
MD5

544487f550b3c95f3a957439be2fcbb2
SHA1

d1741aca0a0060210d74f512217009b25bb22d4e
SHA256

028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf
SHA512

2619957823cb2b0f45ac1e72d323193c4dec2d59ce9e02f5659cbfba5ba872427d3cb74b05bdc74004da653178675bc563be433642e0df67a6bdf308b7cb0049
SSDEEP

3072:/OjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPo:/Is9OKofHfHTXQLzgvnzHPowYbvrjD/h

Score

9^/10

persistence spyware stealer

Malware Config

Signatures

UPX dump on OEP (original entry point) 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4864-0-0x0000000000400000-0x000000000041F000-memory.dmp	UPX
C:\Windows\SysWOW64\shervans.dll	UPX
C:\Windows\SysWOW64\grcopy.dll	UPX
behavioral2/memory/4864-18-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
C:\Windows\SysWOW64\ctfmen.exe	UPX
behavioral2/memory/4864-22-0x0000000000400000-0x000000000041F000-memory.dmp	UPX
behavioral2/memory/2076-26-0x0000000000400000-0x0000000000409000-memory.dmp	UPX
behavioral2/memory/4864-23-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
behavioral2/memory/4892-32-0x0000000000400000-0x000000000041F000-memory.dmp	UPX
behavioral2/memory/4892-36-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
behavioral2/memory/4892-38-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
behavioral2/memory/4892-40-0x0000000000400000-0x000000000041F000-memory.dmp	UPX

Drops file in Drivers directory 1 IoCs

Processes:

smnss.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\drivers\gmreadme.txt smnss.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\drivers\gmreadme.txt	smnss.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Windows\SysWOW64\shervans.dll	acprotect

Executes dropped EXE 2 IoCs

Processes:

ctfmen.exesmnss.exe

pid process

2076 ctfmen.exe
4892 smnss.exe
Loads dropped DLL 2 IoCs

Processes:

028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exesmnss.exe

pid process

4864 028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
4892 smnss.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2076	ctfmen.exe
4892	smnss.exe

pid	process
4864	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
4892	smnss.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exesmnss.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	smnss.exe

Enumerates connected drives 3 TTPs 19 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

smnss.exe

description	ioc	process
File opened (read-only)	\??\T:	smnss.exe
File opened (read-only)	\??\O:	smnss.exe
File opened (read-only)	\??\H:	smnss.exe
File opened (read-only)	\??\I:	smnss.exe
File opened (read-only)	\??\M:	smnss.exe
File opened (read-only)	\??\N:	smnss.exe
File opened (read-only)	\??\S:	smnss.exe
File opened (read-only)	\??\W:	smnss.exe
File opened (read-only)	\??\G:	smnss.exe
File opened (read-only)	\??\K:	smnss.exe
File opened (read-only)	\??\L:	smnss.exe
File opened (read-only)	\??\P:	smnss.exe
File opened (read-only)	\??\Q:	smnss.exe
File opened (read-only)	\??\R:	smnss.exe
File opened (read-only)	\??\V:	smnss.exe
File opened (read-only)	\??\X:	smnss.exe
File opened (read-only)	\??\J:	smnss.exe
File opened (read-only)	\??\U:	smnss.exe
File opened (read-only)	\??\E:	smnss.exe

Maps connected drives based on registry 3 TTPs 6 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

smnss.exe028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	smnss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	smnss.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	smnss.exe

Drops file in System32 directory 64 IoCs

Processes:

028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exesmnss.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File created	C:\Windows\SysWOW64\satornas.dll	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms008.inf_amd64_69b5e0c918eab9a6\Amd64\unishare3d-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\wbem\xsl-mappings.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\smnss.exe	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US_david.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\shervans.dll	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms001.inf_amd64_8bc1bda6cf47380c\MXDW-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\IME\IMEJP\APPLETS\IMJPCLST.XML	smnss.exe
File opened for modification	C:\Windows\SysWOW64\tcpbidi.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.xml	smnss.exe
File created	C:\Windows\SysWOW64\grcopy.dll	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File opened for modification	C:\Windows\SysWOW64\AppxProvisioning.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsXPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-PDC.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.xml	smnss.exe
File created	C:\Windows\SysWOW64\zipfi.dll	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_x86_360f6f3a7c4b3433\I386\unishare-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\ipcfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\cmnicfg.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\F12\Timeline.cpu.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\potscfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsCodecsRaw.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\pppcfg.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\osinfo.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Recovery\ReAgent.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\Tokens_SR_en-US-N.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\wsmanconfig_schema.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
File opened for modification	C:\Windows\SysWOW64\NdfEventView.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\default.help.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\default.help.txt	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPCL6-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPassthrough-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\tsprint.inf_amd64_6066bc96a5f28b44\tsprint-PipelineConfig.xml	smnss.exe

Drops file in Program Files directory 64 IoCs

Processes:

smnss.exe

description	ioc	process
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OneNote.OneNote.x-none.msi.16.x-none.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku-ckb.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL020.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSM.OSM.x-none.msi.16.x-none.xml	smnss.exe
File opened for modification	C:\Program Files\Windows Media Player\Network Sharing\ContentDirectory.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_2019.904.1644.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_rtl.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL116.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Membership.MeControl\Assets\OfflinePages\WebviewOffline.html	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN110.XML	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\SubsetList\Client.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL065.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\is-IS\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\en-gb\onenote_whatsnew.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\jsaddins\locallaunch\locallaunch.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.513.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sv.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN010.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\az-Latn-AZ\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\client_eula.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Protocol.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsesp.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\mk-MK\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_2019.807.41.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\manifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0409-1000-0000000FF1CE.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN121.XML	smnss.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\BuildInfo.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tk.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL048.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sw.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue Warm.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\eu-ES\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\sv-SE\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0409-1000-0000000FF1CE.xml	smnss.exe

Drops file in Windows directory 64 IoCs

Processes:

smnss.exe

description	ioc	process
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\needhvsi.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-d..ommandline-adamsync_31bf3856ad364e35_10.0.19041.1081_none_6700b2d2d3c0055f\MS-AdamSyncConf.XML	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\405.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\401-2.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\401.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\BlockSite.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\NcsiUwpApp_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..raries-servercommon_31bf3856ad364e35_10.0.19041.906_none_87b019d7cebd66d4\f\ASPNET_schema.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..iondialog.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_5f1081b1c1cd1c92\f\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.1_none_f59d207965b1bbc3\ipskor.xml	smnss.exe
File opened for modification	C:\Windows\Logs\MoSetup\ActionList.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..tscontrol.appxsetup_31bf3856ad364e35_10.0.19041.1_none_fe09d772b73322e6\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..gshellapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_b4c98345579ad387\r\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\defaultbrowser.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.173_none_af877ec0b0472fde\base_rtl.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\it-IT\Report.System.Diagnostics.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..iencehost.appxsetup_31bf3856ad364e35_10.0.19041.1266_none_12ea08a0c4f345b0\f\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\403-4.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\debugger.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-wlansvc.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_2286dfb4f2be688c\Rules.System.Wireless.xml	smnss.exe
File opened for modification	C:\Windows\Panther\diagwrn.xml	smnss.exe
File opened for modification	C:\Windows\servicing\Editions\ProfessionalEducationEdition.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..raries-servercommon_31bf3856ad364e35_10.0.19041.906_none_87b019d7cebd66d4\ASPNET_schema.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\OfflineTabs.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\pdferrordisabledforregion.html	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\fr-FR\Report.System.Configuration.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\405.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\404-8.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_en-us_6bac97f839f3675b\Rules.System.Performance.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..iencehost.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_52fbb1b86a870614\r\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\500-17.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\http_gen.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-n..nosticsframeworkapi_31bf3856ad364e35_10.0.19041.746_none_133fa5a93e4dd152\NdfEventView.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\es-ES\assets\ErrorPages\pdferror.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\dnserror.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-userexperience-desktop_31bf3856ad364e35_10.0.19041.173_none_6486f23c2831aaf3\f\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..trolpanel.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_d23715c9ea6f2f2c\f\appxmanifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_10.0.19041.1_it-it_044e29050af610e6\default.help.txt	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\close-chrome-breadcrumb-template.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-d..view-host-appxsetup_31bf3856ad364e35_10.0.19041.1023_none_bc2fe801d2277712\r\appxblockmap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\403-16.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\501.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\403-3.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\404-2.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\pdferrorneedcontentlocally.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\defaultbrowser.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-o..ectionflow.appxmain_31bf3856ad364e35_10.0.19041.1_none_e2e6c013142b9760\tokens_jaJP.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoftwindows-un..keddevkit.appxsetup_31bf3856ad364e35_10.0.19041.1_none_0ae9d97ab43d0e4a\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\de-DE\Report.System.Common.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\speech\0407\tokens_deDE.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\RoamingCredentialSettings.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\oobeprovisioningstatus-main.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..ervice-winrt-client_31bf3856ad364e35_10.0.19041.1266_none_cf053b35227a090b\EnrollmentStatusTrackingDDF.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-srh_31bf3856ad364e35_10.0.19041.1266_none_1e3229580ff745d0\NarratorControlTemplates.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\fr-FR\Rules.System.CPU.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Windows.CBSPreview_cw5n1h2txyewy\appxmanifest.xml	smnss.exe
File opened for modification	C:\Windows\WaaS\services\315818c03ccc2b10070df2d4ebd09eb6c4c66e58.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-d..ore-files.resources_31bf3856ad364e35_10.0.19041.207_en-us_a77e6aa2de8d00b9\Rules.AD.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\pdferrorrenewrentallicense.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\BlockSite.htm	smnss.exe
File opened for modification	C:\Windows\diagnostics\index\BluetoothDiagnostic.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\de-DE\Rules.System.Wired.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\view\oobezdp-main.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..rymanager.appxsetup_31bf3856ad364e35_10.0.19041.1_none_36471647c08c8a19\AppxBlockMap.xml	smnss.exe

Modifies registry class 6 IoCs

Processes:

028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exesmnss.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	smnss.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

smnss.exe

description pid process

Token: SeDebugPrivilege 4892 smnss.exe

description	pid	process
Token: SeDebugPrivilege	4892	smnss.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exectfmen.exe

description	pid	process	target process
PID 4864 wrote to memory of 2076	4864	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe	ctfmen.exe
PID 4864 wrote to memory of 2076	4864	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe	ctfmen.exe
PID 4864 wrote to memory of 2076	4864	028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe	ctfmen.exe
PID 2076 wrote to memory of 4892	2076	ctfmen.exe	smnss.exe
PID 2076 wrote to memory of 4892	2076	ctfmen.exe	smnss.exe
PID 2076 wrote to memory of 4892	2076	ctfmen.exe	smnss.exe

C:\Users\Admin\AppData\Local\Temp\028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe
"C:\Users\Admin\AppData\Local\Temp\028188b96ee89bdaa300f27bc079567fdc8a182fed3217df30df10bc0027a7bf.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4864

C:\Windows\SysWOW64\ctfmen.exe
ctfmen.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2076

C:\Windows\SysWOW64\smnss.exe
C:\Windows\system32\smnss.exe
3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Maps connected drives based on registry
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4892

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

2

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\ctfmen.exe
Filesize
4KB

MD5
0d3ce049aa67968b38cfaa2175223749

SHA1
7623b4240697ad17bd202457f5467edc20b2b367

SHA256
f3ffc48d70235744664fef86637f266cc1696bb49fcf49868b2b63677c96b934

SHA512
774ecd6dcf4023e75403cc7ab4eaaa171a00aef16fda3d326fbf3d4d32b9415f1ecdb581b373a398c9174633bf271bf8367d7aed1a28ac86ed3ccaad13438799

Download Submit
C:\Windows\SysWOW64\grcopy.dll
Filesize
118KB

MD5
fbcb42ff4483e75355d287734f3a7238

SHA1
941051f9ffeb2b7412bfc82369b0c60aff175896

SHA256
6c24674b5983d3c3343945a6483fecc4419646cf45e7786ce6e5d9c5cb4d25ff

SHA512
3e67f12ee026114d4d89e9a4ff84b8cf3dc4fd41388df56f978068cb4535b88c1161b990d27d3922a541e0cb3c84f117c0a78108f34deeb755fe2080e607d0a8

Download Submit
C:\Windows\SysWOW64\satornas.dll
Filesize
183B

MD5
07898afa6a276a02e63b49846117751c

SHA1
26673b8e0bef3ec1d7a3c32f19477e0a1dbc5944

SHA256
f3a453ed9137be8927936412debc2b68ebf02f9ad39d2f93d68df5d3cae09793

SHA512
c47068c8679d434f56cf8c1ed788db4770408e50da0e483da4c6e00ad7703fd0ee300f368caa67125dd7212e00b7222bea288f8f860db20023bbc4e271044b04

Download Submit
C:\Windows\SysWOW64\shervans.dll
Filesize
8KB

MD5
298d46ce7655c0a679d3b788ec54ab89

SHA1
f4206cce6f91c709dc45c5e40a1f73a854189edd

SHA256
94274cf76868ab82eab4b4d325755b954ceada2a1de60e74f4b16e006eaa2e22

SHA512
e70a9a2ef63834ced439d24ce2af9b800a4eac4d2ebabe8395465bc2e9a0de625fe4726c2f00d4b5c82bc9c4942f7edf58e33df45a52680768f96bca094ec819

Download Submit
memory/2076-26-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4864-18-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4864-22-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4864-23-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4864-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4892-32-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4892-36-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4892-38-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4892-40-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads