Analysis
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max time kernel
1562s -
max time network
1562s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-03-2024 13:44
Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
out.exe
Resource
win7-20240220-en
Behavioral task
behavioral3
Sample
2.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
2004_akt.scr
Resource
win7-20240221-en
Behavioral task
behavioral5
Sample
3.exe
Resource
win7-20240221-en
General
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Target
2004_akt.scr
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Size
1.2MB
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MD5
45bdd4ce24b504fd839d6b0f6a8af8e1
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SHA1
ff83cd3ec37b13c691e3bde78fc06b1baf40d544
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SHA256
57a92c1d989bdb7e94d0801f3b2c4d8078486d593b4c24817bcc40c6e57ee17d
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SHA512
78cc25eed5d61a7ef7afdced8cb5a2cb696002221dead0889e3da1ec3b93ae099560e226f4ad4cc4b372e278ddcd65fa1197c3944ec6b4943b146cef11258054
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SSDEEP
24576:UN4kLkBlpbA4fgecWQMkvIlG/hjqPuvCQe2TNGwCOIg02hs:SnolpNoszkvyQhjqPBQe2pGwtIg026
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 behavioral4/memory/2932-1-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-2-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-3-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-7-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-10-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-31-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-32-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-33-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-36-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-38-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-39-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-40-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-41-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-43-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-44-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-42-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-45-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-47-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-48-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-46-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-49-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-51-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-50-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-52-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-56-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-57-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-58-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-59-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-60-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-61-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-62-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-63-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-64-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-65-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-66-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-67-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-68-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-69-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-70-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-71-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-72-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-74-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-75-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-76-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-73-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-78-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-77-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-79-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-80-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-81-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-82-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-83-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-84-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-85-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-86-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-87-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-88-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-89-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-90-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-91-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-92-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-93-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-94-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2932-95-0x0000000000400000-0x00000000005DE000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" 2004_akt.scr Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" 2004_akt.scr -
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: 2004_akt.scr -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\B89793E2B89793E2.bmp" 2004_akt.scr -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\47.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\37.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\css\flyout.css 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\en-US\delete.avi 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-execution.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\timer_down.png 2004_akt.scr File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\images\Video-48.png 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Cave_Drawings.gif 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\softedges.png 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\Filters.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\gadget.xml 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipscsy.xml 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationLeft_SelectionSubpicture.png 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-settings.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\timer_up.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\css\settings.css 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\ja-JP\css\cpu.css 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\curl.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\de-DE\cpu.html 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\bg-dock.png 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\layers.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_single_bkg_orange.png 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\numbers.xml 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_specialocc_Thumbnail.bmp 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\js\localizedStrings.js 2004_akt.scr File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_bw32.bmp 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-join.avi 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_trans_rgb.wmv 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-favorites.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\css\settings.css 2004_akt.scr File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_228ef1_256x240.png 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-nodes.xml 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-multiview.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\css\localizedSettings.css 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\en-US\css\clock.css 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_double_bkg.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-waning-crescent_partly-cloudy.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\33.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\currency.html 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_dot.png 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Seyes.emf 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwresplm.dat 2004_akt.scr File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_diagonals-thick_20_666666_40x40.png 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\16_9-frame-background.png 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Full\full.png 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-uihandler.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\rss_headline_glow_floating.png 2004_akt.scr File opened for modification C:\Program Files\Microsoft Games\Chess\ChessMCE.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\images\dialdot_lrg.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\modern_h.png 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationRight_ButtonGraphic.png 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-profiler.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\ja-JP\css\settings.css 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\settings.html 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\item_hover_flyout.png 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\ja-JP\gadget.xml 2004_akt.scr File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\js\settings.js 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-changjei.xml 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationUp_SelectionSubpicture.png 2004_akt.scr File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationUp_ButtonGraphic.png 2004_akt.scr File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-keyring-fallback.xml 2004_akt.scr File opened for modification C:\Program Files\PopReceive.txt 2004_akt.scr File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrenclm.dat 2004_akt.scr File opened for modification C:\Program Files\7-Zip\Lang\vi.txt 2004_akt.scr -
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 2104 vssadmin.exe 2692 vssadmin.exe 188 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2932 2004_akt.scr 2932 2004_akt.scr -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2216 vssvc.exe Token: SeRestorePrivilege 2216 vssvc.exe Token: SeAuditPrivilege 2216 vssvc.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2932 2004_akt.scr -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2932 wrote to memory of 2692 2932 2004_akt.scr 30 PID 2932 wrote to memory of 2692 2932 2004_akt.scr 30 PID 2932 wrote to memory of 2692 2932 2004_akt.scr 30 PID 2932 wrote to memory of 2692 2932 2004_akt.scr 30 PID 2932 wrote to memory of 188 2932 2004_akt.scr 34 PID 2932 wrote to memory of 188 2932 2004_akt.scr 34 PID 2932 wrote to memory of 188 2932 2004_akt.scr 34 PID 2932 wrote to memory of 188 2932 2004_akt.scr 34 PID 2932 wrote to memory of 2104 2932 2004_akt.scr 36 PID 2932 wrote to memory of 2104 2932 2004_akt.scr 36 PID 2932 wrote to memory of 2104 2932 2004_akt.scr 36 PID 2932 wrote to memory of 2104 2932 2004_akt.scr 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\2004_akt.scr"C:\Users\Admin\AppData\Local\Temp\2004_akt.scr" /S1⤵
- 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:2932 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:2692
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:188
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:2104
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2216