Analysis
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max time kernel
78s -
max time network
68s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
29-04-2024 08:31
Static task
static1
Behavioral task
behavioral1
Sample
Satana.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
Satana.exe
Resource
win10v2004-20240419-en
General
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Target
Satana.exe
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Size
49KB
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MD5
46bfd4f1d581d7c0121d2b19a005d3df
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SHA1
5b063298bbd1670b4d39e1baef67f854b8dcba9d
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SHA256
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
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SHA512
b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
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SSDEEP
768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj
Malware Config
Extracted
C:\MSOCache\!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 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Deletes itself 1 IoCs
pid Process 2648 pvj.exe -
Executes dropped EXE 2 IoCs
pid Process 2700 pvj.exe 2648 pvj.exe -
Loads dropped DLL 6 IoCs
pid Process 1656 Satana.exe 1656 Satana.exe 1656 Satana.exe 1656 Satana.exe 2700 pvj.exe 2648 pvj.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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvhjkoqa = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" Satana.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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 pvj.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2364 set thread context of 1656 2364 Satana.exe 28 PID 2700 set thread context of 2648 2700 pvj.exe 30 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\Calendar\GlobeButtonImageMask.bmp pvj.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\15x15dot.png pvj.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_m.png pvj.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\de-DE\js\!satana!.txt pvj.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\META-INF\!satana!.txt pvj.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\deployed\jdk15\windows-amd64\!satana!.txt pvj.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\SubsetList\Client.xml pvj.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\META-INF\!satana!.txt pvj.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-api.xml pvj.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\LanguageNames2\DisplayLanguageNames.en_US.txt pvj.exe File created C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WksConv\!satana!.txt pvj.exe File created C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\!satana!.txt pvj.exe File created C:\Program Files (x86)\Microsoft Office\Office14\BORDERS\!satana!.txt pvj.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\circleround_selectionsubpicture.png pvj.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-core-kit.xml pvj.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\20.png pvj.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\!satana!.txt pvj.exe File created C:\Program Files\VideoLAN\VLC\locale\nn\LC_MESSAGES\!satana!.txt pvj.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\!satana!.txt pvj.exe File created C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\!satana!.txt pvj.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\btn-next-static.png pvj.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\720_480shadow.png pvj.exe File created C:\Program Files\Microsoft Games\Mahjong\it-IT\!satana!.txt pvj.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Help\en_US\Adobe Reader\9.0\helpmap.txt pvj.exe File opened for modification C:\Program Files\7-Zip\Lang\hi.txt pvj.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\toc.gif pvj.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FieldTypePreview\!satana!.txt pvj.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\AddToViewArrow.jpg pvj.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\bPrev-disable.png pvj.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\!satana!.txt pvj.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-bootstrap.xml pvj.exe File created C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\es-ES\css\!satana!.txt pvj.exe File created C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\on_desktop\!satana!.txt pvj.exe File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\!satana!.txt pvj.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\fr-FR\css\!satana!.txt pvj.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationUp_SelectionSubpicture.png pvj.exe File created C:\Program Files\VideoLAN\VLC\locale\ach\!satana!.txt pvj.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-selector-api.xml pvj.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_box_divider_left.png pvj.exe File created C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\!satana!.txt pvj.exe File created C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\js\!satana!.txt pvj.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\Publisher\!satana!.txt pvj.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\scene_button_style_default_Thumbnail.bmp pvj.exe File created C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\!satana!.txt pvj.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\OrangeCircles.jpg pvj.exe File created C:\Program Files (x86)\Common Files\SpeechEngines\!satana!.txt pvj.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\modern_dot.png pvj.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_foggy.png pvj.exe File created C:\Program Files\Common Files\Microsoft Shared\Triedit\en-US\!satana!.txt pvj.exe File created C:\Program Files\Common Files\System\msadc\es-ES\!satana!.txt pvj.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_image-frame-backglow.png pvj.exe File created C:\Program Files\Windows Journal\!satana!.txt pvj.exe File created C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\144DPI\!satana!.txt pvj.exe File opened for modification C:\Program Files\7-Zip\Lang\nb.txt pvj.exe File created C:\Program Files\Common Files\Microsoft Shared\OFFICE14\!satana!.txt pvj.exe File created C:\Program Files\VideoLAN\VLC\locale\ast\!satana!.txt pvj.exe File created C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\images\!satana!.txt pvj.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\delete_down.png pvj.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-waning-gibbous.png pvj.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\Calendar\CalendarToolIconImages.jpg pvj.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\next_down.png pvj.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt pvj.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-swing-outline.xml pvj.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_alignleft.gif pvj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2452 VSSADMIN.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2648 pvj.exe Token: SeBackupPrivilege 820 vssvc.exe Token: SeRestorePrivilege 820 vssvc.exe Token: SeAuditPrivilege 820 vssvc.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 2364 wrote to memory of 1656 2364 Satana.exe 28 PID 1656 wrote to memory of 2700 1656 Satana.exe 29 PID 1656 wrote to memory of 2700 1656 Satana.exe 29 PID 1656 wrote to memory of 2700 1656 Satana.exe 29 PID 1656 wrote to memory of 2700 1656 Satana.exe 29 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2700 wrote to memory of 2648 2700 pvj.exe 30 PID 2648 wrote to memory of 2452 2648 pvj.exe 31 PID 2648 wrote to memory of 2452 2648 pvj.exe 31 PID 2648 wrote to memory of 2452 2648 pvj.exe 31 PID 2648 wrote to memory of 2452 2648 pvj.exe 31 PID 2648 wrote to memory of 12556 2648 pvj.exe 37 PID 2648 wrote to memory of 12556 2648 pvj.exe 37 PID 2648 wrote to memory of 12556 2648 pvj.exe 37 PID 2648 wrote to memory of 12556 2648 pvj.exe 37 -
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\Satana.exe"C:\Users\Admin\AppData\Local\Temp\Satana.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Users\Admin\AppData\Local\Temp\Satana.exe"C:\Users\Admin\AppData\Local\Temp\Satana.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Users\Admin\AppData\Local\Temp\pvj.exe"C:\Users\Admin\AppData\Local\Temp\pvj.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\Satana.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Users\Admin\AppData\Local\Temp\pvj.exe"C:\Users\Admin\AppData\Local\Temp\pvj.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\Satana.exe"4⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet5⤵
- Interacts with shadow copies
PID:2452
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\!satana!.txt5⤵PID:12556
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:820
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
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5e058e9ef3f14c4c66206395014817cb2
SHA13f1c001754aec5517c44449875a4ea1b8a85f16c
SHA256e73290364aba767a5e740ff0688b07921daec55e2e33b254bef8a670ede186ce
SHA51259abb6fc06ed3f70421c61eeef63f8f2d87689a225b344017121eaedf91938f2456aa66c41579b99f666aa38495495bb37d83cbce82c68d06f4332188ccf7bae
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Filesize
49KB
MD546bfd4f1d581d7c0121d2b19a005d3df
SHA15b063298bbd1670b4d39e1baef67f854b8dcba9d
SHA256683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
SHA512b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5