Resubmissions
07-04-2024 02:22
240407-cty4vsbb23 1007-04-2024 02:22
240407-ctsl3sba97 1007-04-2024 02:22
240407-ctmqtsae6y 1007-04-2024 02:21
240407-cth3msba89 1031-07-2022 05:17
220731-fy356aabf6 10Analysis
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max time kernel
1560s -
max time network
1561s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-04-2024 02:22
Static task
static1
Behavioral task
behavioral1
Sample
msg.exe
Resource
win7-20240221-en
General
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Target
msg.exe
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Size
1.0MB
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MD5
b891aa5781114582c27baa0c8029777c
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SHA1
7a53a0516286728323c8e6d02a6a5e1077726f4c
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SHA256
4d00ce6c7237134b00cde4b24f1c6dfaffb031cf84845a8bae2a5e5ece8f5434
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SHA512
63e5357d3b24f6435d77c47c510386dfe45e97ade64e574b24f3349a08a63e0f415534a3e5bc72f9d45011abbead12e9d8bfecbd61ff3363326af0b4b73cbc85
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SSDEEP
12288:1+iDmbczDn6ILWGXhkogkuSeJLYeOfbg4TIvhVe/v82WgDSMy6ReTcEnr:ciDmwjLWVogkuSeuzT/JpyumcIr
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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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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resource yara_rule behavioral1/memory/1940-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-6-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-7-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-13-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-45-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-46-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-47-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-48-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-51-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-52-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-53-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-54-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-50-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-49-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-58-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-59-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-60-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-61-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-63-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-62-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-65-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-64-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-66-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-67-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-68-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-71-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-72-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-73-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-70-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-69-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-75-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-76-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-78-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-79-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-77-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-74-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-81-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-80-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-83-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-82-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-84-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-85-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-88-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-87-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-86-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-89-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-90-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1940-92-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" msg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" msg.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: msg.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\DD98FDCADD98FDCA.bmp" msg.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\novelty_h.png msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\license.html msg.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwresmlm.dat msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\144DPI\(144DPI)redStateIcon.png msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_image-frame-ImageMask.png msg.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.jpg msg.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\gadget.xml msg.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt msg.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\css\dark\e4-dark_preferencestyle.css msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-last-quarter.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\drag.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\ja-JP\css\picturePuzzle.css msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\css\localizedSettings.css msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-api.xml msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-nodes.xml msg.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\winXPTSFrame.png msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_CopyDrop32x32.gif msg.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoCanary.png msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationUp_ButtonGraphic.png msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Push\NavigationUp_ButtonGraphic.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\js\library.js msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\square_settings.png msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\15x15dot.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\de-DE\js\clock.js msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Title_Page_Ref.wmv msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\js\library.js msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\RSSFeeds.html msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\license.html msg.exe File opened for modification C:\Program Files\7-Zip\License.txt msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\js\highDpiImageSwap.js msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Push\1047x576black.png msg.exe File opened for modification C:\Program Files\7-Zip\Lang\fi.txt msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\ja-JP\css\settings.css msg.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\css\blafdoc.css msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationLeft_SelectionSubpicture.png msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-core.xml msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\in_sidebar\bg_sidebar.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\css\currency.css msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\de-DE\css\currency.css msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-utilities.xml msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationRight_ButtonGraphic.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_gray_hail.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\play_down.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\button_MCELogo_mouseout.png msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationUp_SelectionSubpicture.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\de-DE\css\slideShow.css msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\css\picturePuzzle.css msg.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\GoldRing.png msg.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\To_Do_List.emf msg.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-changjei.xml msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\btn_close_down.png msg.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_bw48.jpg msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-spi-quicksearch.xml msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-lib-uihandler.xml msg.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\jvm.hprof.txt msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\square_h.png msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\es-ES\gadget.xml msg.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\MediaReceiverRegistrar.xml msg.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\en-US\split.avi msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\currency.js msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\js\localizedStrings.js msg.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\it-IT\gadget.xml msg.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 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1988 vssadmin.exe 3060 vssadmin.exe 2088 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1940 msg.exe 1940 msg.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1512 vssvc.exe Token: SeRestorePrivilege 1512 vssvc.exe Token: SeAuditPrivilege 1512 vssvc.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 1940 msg.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1940 wrote to memory of 1988 1940 msg.exe 30 PID 1940 wrote to memory of 1988 1940 msg.exe 30 PID 1940 wrote to memory of 1988 1940 msg.exe 30 PID 1940 wrote to memory of 1988 1940 msg.exe 30 PID 1940 wrote to memory of 3060 1940 msg.exe 34 PID 1940 wrote to memory of 3060 1940 msg.exe 34 PID 1940 wrote to memory of 3060 1940 msg.exe 34 PID 1940 wrote to memory of 3060 1940 msg.exe 34 PID 1940 wrote to memory of 2088 1940 msg.exe 36 PID 1940 wrote to memory of 2088 1940 msg.exe 36 PID 1940 wrote to memory of 2088 1940 msg.exe 36 PID 1940 wrote to memory of 2088 1940 msg.exe 36 -
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\msg.exe"C:\Users\Admin\AppData\Local\Temp\msg.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:1988
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:3060
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:2088
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1512
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
94KB
MD592b49ae1d051e75a80b1db8b96601190
SHA12e791acca0060cd43ab93dd70c0fded6283acf31
SHA256380e76bd96c51386b05ff77d67f6a9e8991ff7844e1a293c14f502bbd7c57ccf
SHA512ed498166c542723de95931e1799ac16b4885417bcdb1b3388651ca0672a2b04b1f08d216bc090d4e1aae29c3a8d9ef804059321a4d099c8f184a055d7d056b66