Analysis
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max time kernel
149s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
03-08-2024 03:42
Static task
static1
Behavioral task
behavioral1
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
unpacked.exe
Resource
win7-20240729-en
General
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Target
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.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:\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
pid Process 2624 nwzmpjou.exe -
Executes dropped EXE 2 IoCs
pid Process 2644 nwzmpjou.exe 2624 nwzmpjou.exe -
Loads dropped DLL 6 IoCs
pid Process 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2644 nwzmpjou.exe 2624 nwzmpjou.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\cviqy = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.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 nwzmpjou.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2184 set thread context of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2644 set thread context of 2624 2644 nwzmpjou.exe 36 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Perspective.xml nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\InfoPathOM\InfoPathOMV12\Microsoft.Office.InfoPath.xml nwzmpjou.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsptg.xml nwzmpjou.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-dialogs.xml nwzmpjou.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\glow.png nwzmpjou.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\12.png nwzmpjou.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-previous-static.png nwzmpjou.exe File created C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\ja\!satana!.txt nwzmpjou.exe File created C:\Program Files (x86)\Common Files\System\Ole DB\fr-FR\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\OutofSyncIconImagesMask.bmp nwzmpjou.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceSimplifiedZhengMa.txt nwzmpjou.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\120DPI\(120DPI)notConnectedStateIcon.png nwzmpjou.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\search_background.png nwzmpjou.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\feature.xml nwzmpjou.exe File created C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\css\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\diner_dot.png nwzmpjou.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-api-search.xml nwzmpjou.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\blank.png nwzmpjou.exe File created C:\Program Files (x86)\Common Files\System\msadc\es-ES\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-last-quarter_partly-cloudy.png nwzmpjou.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\play_down.png nwzmpjou.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt nwzmpjou.exe File created C:\Program Files\VideoLAN\VLC\locale\tt\LC_MESSAGES\!satana!.txt nwzmpjou.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\spacebackupicons.jpg nwzmpjou.exe File created C:\Program Files\Java\jre7\lib\zi\Pacific\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\gadget.xml nwzmpjou.exe File created C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\InfoPath.en-us\!satana!.txt nwzmpjou.exe File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-execution.xml nwzmpjou.exe File created C:\Program Files\VideoLAN\VLC\locale\ks_IN\LC_MESSAGES\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\44.png nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\UnreadIcon.jpg nwzmpjou.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\etc\!satana!.txt nwzmpjou.exe File created C:\Program Files\Windows Defender\!satana!.txt nwzmpjou.exe File created C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\de-DE\!satana!.txt nwzmpjou.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Atlantic\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winXPBluTSFrame.png nwzmpjou.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_corner_top_right.png nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsIncomingImageSmall.jpg nwzmpjou.exe File created C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipschs.xml nwzmpjou.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Cave_Drawings.gif nwzmpjou.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\it-IT\css\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationUp_SelectionSubpicture.png nwzmpjou.exe File created C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\de-DE\css\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_highlight-soft_100_eeeeee_1x100.png nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_Casual.gif nwzmpjou.exe File created C:\Program Files\Microsoft Games\Minesweeper\de-DE\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\FrameworkList.xml nwzmpjou.exe File created C:\Program Files (x86)\Microsoft Office\Office14\3082\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\MessageBoxIconImagesMask.bmp nwzmpjou.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_scrapbook_Thumbnail.bmp nwzmpjou.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\ECLIPSE\!satana!.txt nwzmpjou.exe File created C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\VideoLAN\VLC\THANKS.txt nwzmpjou.exe File created C:\Program Files\Windows Journal\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\btn-back-static.png nwzmpjou.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-nodes.xml nwzmpjou.exe File created C:\Program Files\Microsoft Games\Hearts\de-DE\!satana!.txt nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\rtf_alignright.gif nwzmpjou.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\Presentation Designs\Maple.gif nwzmpjou.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\!satana!.txt nwzmpjou.exe File created C:\Program Files\Java\jre7\lib\zi\America\Argentina\!satana!.txt nwzmpjou.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log mspaint.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nwzmpjou.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nwzmpjou.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VSSADMIN.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3056 VSSADMIN.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2624 nwzmpjou.exe Token: SeBackupPrivilege 2312 vssvc.exe Token: SeRestorePrivilege 2312 vssvc.exe Token: SeAuditPrivilege 2312 vssvc.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2740 mspaint.exe 2740 mspaint.exe 2740 mspaint.exe 2740 mspaint.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2184 wrote to memory of 2552 2184 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2552 wrote to memory of 2644 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 35 PID 2552 wrote to memory of 2644 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 35 PID 2552 wrote to memory of 2644 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 35 PID 2552 wrote to memory of 2644 2552 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 35 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2644 wrote to memory of 2624 2644 nwzmpjou.exe 36 PID 2624 wrote to memory of 3056 2624 nwzmpjou.exe 37 PID 2624 wrote to memory of 3056 2624 nwzmpjou.exe 37 PID 2624 wrote to memory of 3056 2624 nwzmpjou.exe 37 PID 2624 wrote to memory of 3056 2624 nwzmpjou.exe 37 PID 2624 wrote to memory of 14484 2624 nwzmpjou.exe 41 PID 2624 wrote to memory of 14484 2624 nwzmpjou.exe 41 PID 2624 wrote to memory of 14484 2624 nwzmpjou.exe 41 PID 2624 wrote to memory of 14484 2624 nwzmpjou.exe 41 -
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\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe"C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe"C:\Users\Admin\AppData\Local\Temp\nwzmpjou.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"4⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:3056
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\!satana!.txt5⤵
- System Location Discovery: System Language Discovery
PID:14484
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C:\Windows\system32\calc.exe"C:\Windows\system32\calc.exe"1⤵PID:1672
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C:\Windows\system32\mspaint.exe"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\StepRestart.wmf"1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2740
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2312
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
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5f1ac688527d1c3925d9b4126e89d0a26
SHA1ca5d0d09b3354f1ec90e5b30a99b4c950cae4246
SHA2561f54cf424439cca05ba9f82f22eb1b6d37d7988a7c63bc8233c58273827fcba0
SHA512da59305a7b1e604bce3e946838bf82babafec60cf2f3158a62f991945095a2465dc2f1d8224d4a564304c3b6c1a27df74e4b9586a440d1775d3695b6667569fd
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Filesize
49KB
MD546bfd4f1d581d7c0121d2b19a005d3df
SHA15b063298bbd1670b4d39e1baef67f854b8dcba9d
SHA256683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
SHA512b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5