Overview
overview
10Static
static
3683a09da21...96.exe
windows10-1703-x64
683a09da21...96.exe
windows7-x64
683a09da21...96.exe
windows11-21h2-x64
683a09da21...96.exe
android-9-x86
683a09da21...96.exe
debian-12-armhf
unpacked.exe
windows10-1703-x64
unpacked.exe
windows7-x64
unpacked.exe
windows11-21h2-x64
10unpacked.exe
android-9-x86
unpacked.exe
debian-12-armhf
Analysis
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max time kernel
77s -
max time network
78s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
12-07-2024 22:11
Static task
static1
Behavioral task
behavioral1
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win7-20240708-en
Behavioral task
behavioral3
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win11-20240709-en
Behavioral task
behavioral4
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral5
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
debian12-armhf-20240221-en
Behavioral task
behavioral6
Sample
unpacked.exe
Resource
win10-20240404-en
Behavioral task
behavioral7
Sample
unpacked.exe
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
unpacked.exe
Resource
win11-20240709-en
Behavioral task
behavioral9
Sample
unpacked.exe
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral10
Sample
unpacked.exe
Resource
debian12-armhf-20240418-en
Errors
General
-
Target
unpacked.exe
-
Size
72KB
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MD5
108756f41d114eb93e136ba2feb838d0
-
SHA1
8c6b51923ee7da2f4642c7717db95fbb77d96164
-
SHA256
b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
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SHA512
d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa
-
SSDEEP
768:F9NJK3qZRhxXHIQBsLL16BKc+bBQZ/UMc2:rXzXol6cc+lQZMMc2
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!satana!.txt
Signatures
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Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Deletes itself 1 IoCs
Processes:
tkyzmsal.exepid process 2620 tkyzmsal.exe -
Executes dropped EXE 1 IoCs
Processes:
tkyzmsal.exepid process 2620 tkyzmsal.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
unpacked.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Windows\CurrentVersion\Run\nlrxp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" unpacked.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
tkyzmsal.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 tkyzmsal.exe -
Drops file in Program Files directory 64 IoCs
Processes:
tkyzmsal.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\[email protected]___AddressBook.png tkyzmsal.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\images\themes\dark\icons_ie8.gif tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\OneNoteSectionSmallTile.scale-400.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsLargeTile.contrast-white_scale-200.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\nl_60x42.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Generic-Light.scale-250.png tkyzmsal.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\[email protected][email protected][email protected][email protected][email protected][email protected][email protected]___FirstRunLogoSmall.scale-140.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\6528_48x48x32.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.14.2002.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\GamesXboxHubSmallTile.scale-100.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-72.png tkyzmsal.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif tkyzmsal.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\[email protected][email protected][email protected][email protected][email protected][email protected]___PowerPntLogo.contrast-white_scale-80.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\Weather_TileMediumSquare.scale-100.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\Weather_TileLargeSquare.scale-100.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PeopleAppList.targetsize-24.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\9434_32x32x32.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_17.8010.5926.0_x64__8wekyb3d8bbwe\XMLOffKeys\Keys_OffVer365.xml tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteAppList.targetsize-256.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\sb_60x42.png tkyzmsal.exe File created C:\Program Files\WindowsApps\Microsoft.Wallet_1.0.16328.0_neutral_~_8wekyb3d8bbwe\microsoft.system.package.metadata\!satana!.txt tkyzmsal.exe File created C:\Program Files\Java\jre-1.8\lib\security\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\5034_20x20x32.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\LTR\contrast-white\SmallTile.scale-100.png tkyzmsal.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Microsoft.Bing.Client.Graph\!satana!.txt tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\en-ae\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\@1x\themes\dark\[email protected] tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\card_shadow_big.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\WorldClockLargeTile.contrast-white_scale-100.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\Office\BooleanIntersect.scale-100.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\GameEnd\endGame_blue_up.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\5311_20x20x32.png tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\de-de\!satana!.txt tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\de-de\!satana!.txt tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml tkyzmsal.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\PROFILE\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.16112.11621.0_x64__8wekyb3d8bbwe\Assets\UpsellFooterBannerDesktop.jpg tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\themes\dark\!satana!.txt tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\en-il\!satana!.txt tkyzmsal.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsMaps_2017.209.105.0_neutral_~_8wekyb3d8bbwe\!satana!.txt tkyzmsal.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-white\!satana!.txt tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\hu-hu\!satana!.txt tkyzmsal.exe File created C:\Program Files\Windows Photo Viewer\fr-FR\!satana!.txt tkyzmsal.exe File created C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_11.19.19003.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxCalendarSplashLogo.scale-250.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.ZuneMusic_10.16112.11621.0_neutral_resources.scale-125_8wekyb3d8bbwe\Assets\contrast-white\WideLogo.scale-125_contrast-white.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\RTL\MedTile.scale-125.png tkyzmsal.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml tkyzmsal.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\[email protected]___PowerPntLogoSmall.scale-140.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\OutlookMailSmallTile.scale-400.png tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\he-il\!satana!.txt tkyzmsal.exe File created C:\Program Files (x86)\Common Files\System\it-IT\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\ss_16x11.png tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\nl-nl\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\images\themes\dark\icons_retina.png tkyzmsal.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\root\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraWideTile.scale-100.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\5601_48x48x32.png tkyzmsal.exe File created C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\ja-JP\!satana!.txt tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Awards\tripeaks\Expedition_Leader_Unearned_small.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-64.png tkyzmsal.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\1949_32x32x32.png tkyzmsal.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\[email protected][email protected][email protected][email protected][email protected]___ExcelLogoSmall.scale-100.png tkyzmsal.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
VSSADMIN.EXEpid process 2356 VSSADMIN.EXE -
Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
tkyzmsal.exevssvc.exedescription pid process Token: SeIncBasePriorityPrivilege 2620 tkyzmsal.exe Token: SeBackupPrivilege 4516 vssvc.exe Token: SeRestorePrivilege 4516 vssvc.exe Token: SeAuditPrivilege 4516 vssvc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
LogonUI.exepid process 46512 LogonUI.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
unpacked.exetkyzmsal.exedescription pid process target process PID 5080 wrote to memory of 2620 5080 unpacked.exe tkyzmsal.exe PID 5080 wrote to memory of 2620 5080 unpacked.exe tkyzmsal.exe PID 5080 wrote to memory of 2620 5080 unpacked.exe tkyzmsal.exe PID 2620 wrote to memory of 2356 2620 tkyzmsal.exe VSSADMIN.EXE PID 2620 wrote to memory of 2356 2620 tkyzmsal.exe VSSADMIN.EXE PID 2620 wrote to memory of 2356 2620 tkyzmsal.exe VSSADMIN.EXE -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\unpacked.exe"C:\Users\Admin\AppData\Local\Temp\unpacked.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\tkyzmsal.exe"C:\Users\Admin\AppData\Local\Temp\tkyzmsal.exe" {01f427cd-f2c0-11ee-a982-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
PID:2356
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-
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4516
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3af1055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:46512
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
1KB
MD58f5f7ebae379d0c283d9758afebff9a7
SHA1553d851f76671d64e4285a8433cff063cc6868e5
SHA2566865e6f007189868d7b1e3ce651174f93d7ddf365f641665a7cb9cf4830fcc56
SHA5123223c017c49a797df1f333eee9a8ac8d569d1a6ce182ed2de4bc236483a873128ec770e2cbf3ca2a001c4a1d23c548a5f3bf9b9192f31d59fa94fbd74ffb6a67
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Filesize
72KB
MD5108756f41d114eb93e136ba2feb838d0
SHA18c6b51923ee7da2f4642c7717db95fbb77d96164
SHA256b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
SHA512d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa