Analysis
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max time kernel
76s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-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
Errors
General
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Target
unpacked.exe
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Size
72KB
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MD5
108756f41d114eb93e136ba2feb838d0
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SHA1
8c6b51923ee7da2f4642c7717db95fbb77d96164
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SHA256
b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
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SHA512
d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa
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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
pid Process 2836 uzl.exe -
Executes dropped EXE 1 IoCs
pid Process 2836 uzl.exe -
Loads dropped DLL 5 IoCs
pid Process 1476 unpacked.exe 1476 unpacked.exe 1476 unpacked.exe 1476 unpacked.exe 2836 uzl.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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\swxcptoy = "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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 uzl.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\en-US\gadget.xml uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\31.png uzl.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\!satana!.txt uzl.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\TitleButtonIcon.png uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_right_rest.png uzl.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_FileOff.jpg uzl.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_performance_Thumbnail.bmp uzl.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationLeft_ButtonGraphic.png uzl.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_ContactHighMask.bmp uzl.exe File created C:\Program Files\7-Zip\!satana!.txt uzl.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\!satana!.txt uzl.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\Certificates\groove.net\Components\!satana!.txt uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\de-DE\gadget.xml uzl.exe File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Legal\!satana!.txt uzl.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsOutgoingImageSmall.jpg uzl.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\!satana!.txt uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\delete_down.png uzl.exe File created C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\!satana!.txt uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_box_divider_left.png uzl.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\de-DE\js\!satana!.txt uzl.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\Alphabet.xml uzl.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\uarrow.gif uzl.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-sa.xml uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\it-IT\gadget.xml uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\gadget.xml uzl.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\jvm.hprof.txt uzl.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-oql.xml uzl.exe File created C:\Program Files\VideoLAN\VLC\locale\sq\!satana!.txt uzl.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad.xml uzl.exe File created C:\Program Files\VideoLAN\VLC\locale\zh_TW\LC_MESSAGES\!satana!.txt uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\120DPI\(120DPI)notConnectedStateIcon.png uzl.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Pretty_Peacock.jpg uzl.exe File created C:\Program Files\VideoLAN\VLC\locale\pa\!satana!.txt uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\120DPI\(120DPI)alertIcon.png uzl.exe File created C:\Program Files\VideoLAN\VLC\locale\am\LC_MESSAGES\!satana!.txt uzl.exe File created C:\Program Files (x86)\Adobe\Reader 9.0\Resource\SaslPrep\!satana!.txt uzl.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color48.jpg uzl.exe File created C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\es-ES\!satana!.txt uzl.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationRight_ButtonGraphic.png uzl.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\BLENDS\!satana!.txt uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\icon.png uzl.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\!satana!.txt uzl.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\STUDIO\!satana!.txt uzl.exe File created C:\Program Files (x86)\Common Files\microsoft shared\ink\1.7\!satana!.txt uzl.exe File created C:\Program Files (x86)\Windows Defender\en-US\!satana!.txt uzl.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\es-ES\!satana!.txt uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\en-US\gadget.xml uzl.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt uzl.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_frame-imageMask.png uzl.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\ffjcext.zip uzl.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\!satana!.txt uzl.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-loaders.xml uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\ja-JP\gadget.xml uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\fr-FR\gadget.xml uzl.exe File created C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\!satana!.txt uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\rings-dock.png uzl.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\winXPOlive.png uzl.exe File created C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\images\!satana!.txt uzl.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Oriel.xml uzl.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\gadget.xml uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\diner.png uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\icon.png uzl.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-waning-crescent.png uzl.exe File opened for modification C:\Program Files\7-Zip\Lang\hy.txt uzl.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 7 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 uzl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VSSADMIN.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language unpacked.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1652 VSSADMIN.EXE -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2836 uzl.exe Token: SeBackupPrivilege 1060 vssvc.exe Token: SeRestorePrivilege 1060 vssvc.exe Token: SeAuditPrivilege 1060 vssvc.exe Token: SeShutdownPrivilege 2836 uzl.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1476 wrote to memory of 2836 1476 unpacked.exe 30 PID 1476 wrote to memory of 2836 1476 unpacked.exe 30 PID 1476 wrote to memory of 2836 1476 unpacked.exe 30 PID 1476 wrote to memory of 2836 1476 unpacked.exe 30 PID 2836 wrote to memory of 1652 2836 uzl.exe 31 PID 2836 wrote to memory of 1652 2836 uzl.exe 31 PID 2836 wrote to memory of 1652 2836 uzl.exe 31 PID 2836 wrote to memory of 1652 2836 uzl.exe 31 PID 2836 wrote to memory of 12100 2836 uzl.exe 35 PID 2836 wrote to memory of 12100 2836 uzl.exe 35 PID 2836 wrote to memory of 12100 2836 uzl.exe 35 PID 2836 wrote to memory of 12100 2836 uzl.exe 35 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12064 2836 uzl.exe 36 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12160 2836 uzl.exe 38 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 PID 2836 wrote to memory of 12244 2836 uzl.exe 39 -
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⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Users\Admin\AppData\Local\Temp\uzl.exe"C:\Users\Admin\AppData\Local\Temp\uzl.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"2⤵
- 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:2836 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet3⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:1652
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\!satana!.txt3⤵
- System Location Discovery: System Language Discovery
PID:12100
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C:\Windows\SysWOW64\rundll32.exerundll32.exe3⤵
- System Location Discovery: System Language Discovery
PID:12064
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C:\Windows\SysWOW64\rundll32.exerundll32.exe3⤵
- System Location Discovery: System Language Discovery
PID:12160
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C:\Windows\SysWOW64\rundll32.exerundll32.exe3⤵
- System Location Discovery: System Language Discovery
PID:12244
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1060
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:12212
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2512
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
MD5748d5158026554cbad5cce6a9db6763c
SHA1f38af88125afd642c866f82ec8af8912d4654ea8
SHA2562589edce2a56c21be1fbc97cc19dff9805051b6095d6afe2d25c51d5a5b50c24
SHA5126162a18150e1dcbbeaaaf46acd8a1855fb807659af84ebd1ba2d1e8e2afbd01f47116d6dca0c9618a2554e65aa65469a6e7199a9070ba163ed0032d86a4c171a
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Filesize
72KB
MD5108756f41d114eb93e136ba2feb838d0
SHA18c6b51923ee7da2f4642c7717db95fbb77d96164
SHA256b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
SHA512d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa