3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

General

Target

3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
Size

184KB
MD5

aa9ac393da242ac8b0dc85ee24d667b1
SHA1

f85621566b73d89b08c3b9d5710a0410c97e3996
SHA256

3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45
SHA512

dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241
SSDEEP

3072:RRXtJcha6e+zjVD7e/8l9/8JNX5UukzbyBll48dBPEuDbvRCLn2O:XV6egHe0l9+FQ/yBw8dBDDb62O

Score

9^/10

persistence ransomware spyware stealer

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Executes dropped EXE 2 IoCs

Processes:

colxncb.execolxncb.exe

pid process

536 colxncb.exe
1428 colxncb.exe
Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
ransomware

Processes:

colxncb.exe

description ioc process

File renamed C:\Users\Admin\Pictures\ReadOpen.png => C:\Users\Admin\Pictures\ReadOpen.png.ecc colxncb.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

572 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.execolxncb.exe

pid process

1200 3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
1428 colxncb.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
536	colxncb.exe
1428	colxncb.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ReadOpen.png => C:\Users\Admin\Pictures\ReadOpen.png.ecc	colxncb.exe

pid	process
572	cmd.exe

pid	process
1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
1428	colxncb.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

colxncb.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	colxncb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svv_e = "C:\\Users\\Admin\\AppData\\Roaming\\colxncb.exe"	colxncb.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	colxncb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\*svv_e = "C:\\Users\\Admin\\AppData\\Roaming\\colxncb.exe"	colxncb.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 ipinfo.io

flow	ioc
2	ipinfo.io

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

colxncb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\HELP_TO_SAVE_YOUR_FILES.bmp"	colxncb.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.execolxncb.exe

description	pid	process	target process
PID 1760 set thread context of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 536 set thread context of 1428	536	colxncb.exe	colxncb.exe

Drops file in Program Files directory 64 IoCs

Processes:

colxncb.exe

description	ioc	process
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\e4_default_mac.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_divider.png	colxncb.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\ShadesOfBlue.jpg	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_frame-border.png	colxncb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_100_percent.pak	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\css\settings.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_box_bottom.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_box_left.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\ja-JP\js\cpu.js	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\timer_up.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\next_hov.png	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Title_Trans_Scene_PAL.wmv	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\flower.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\novelty_h.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\js\highDpiImageSwap.js	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\css\weather.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_few-showers.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_gray_hail.png	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\background.png	colxncb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\defaults\pref\autoconfig.js	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\novelty.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\square_s.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_s.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_gray_foggy.png	colxncb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\hi.pak	colxncb.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\icons\alert_obj.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\square_h.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\diner_dot.png	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\blackbars60.png	colxncb.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\e4_default_win7.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_double_orange.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\js\weather.js	colxncb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.css.swt.theme_0.9.300.v20140424-2042.jar	colxncb.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\macHandle.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_left_rest.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\css\clock.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\it-IT\css\settings.css	colxncb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\lv.pak	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\curl-hot.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\logo.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\es-ES\css\cpu.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\ja-JP\js\settings.js	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\play-static.png	colxncb.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\e4_classic_win7.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\de-DE\js\cpu.js	colxncb.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\win7.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\js\RSSFeeds.js	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\203x8subpicture.png	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\NavigationRight_ButtonGraphic.png	colxncb.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\icons\flight_recorder.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\info.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\js\localizedStrings.js	colxncb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.servlet.jsp_2.2.0.v201112011158.jar	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\flower_settings.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\currency.js	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationLeft_ButtonGraphic.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\css\settings.css	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationUp_SelectionSubpicture.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\de-DE\css\settings.css	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\fr-FR\js\settings.js	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\27.png	colxncb.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\js\highDpiImageSwap.js	colxncb.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\GreenBubbles.jpg	colxncb.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\title_trans_scene.wmv	colxncb.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1616 1204 WerFault.exe
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

696 vssadmin.exe

pid	pid_target	process	target process
1616	1204	WerFault.exe

pid	process
696	vssadmin.exe

Modifies Control Panel 2 IoCs

evasion

Processes:

colxncb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\Desktop\WallpaperStyle = "0"	colxncb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\Desktop\TileWallpaper = "0"	colxncb.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

colxncb.exe

pid	process
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe
1428	colxncb.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.execolxncb.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
Token: SeDebugPrivilege	1428	colxncb.exe
Token: SeBackupPrivilege	1596	vssvc.exe
Token: SeRestorePrivilege	1596	vssvc.exe
Token: SeAuditPrivilege	1596	vssvc.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.execolxncb.execolxncb.exe

description	pid	process	target process
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1760 wrote to memory of 1200	1760	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
PID 1200 wrote to memory of 536	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	colxncb.exe
PID 1200 wrote to memory of 536	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	colxncb.exe
PID 1200 wrote to memory of 536	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	colxncb.exe
PID 1200 wrote to memory of 536	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 1200 wrote to memory of 572	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	cmd.exe
PID 1200 wrote to memory of 572	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	cmd.exe
PID 1200 wrote to memory of 572	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	cmd.exe
PID 1200 wrote to memory of 572	1200	3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe	cmd.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 536 wrote to memory of 1428	536	colxncb.exe	colxncb.exe
PID 1428 wrote to memory of 696	1428	colxncb.exe	vssadmin.exe
PID 1428 wrote to memory of 696	1428	colxncb.exe	vssadmin.exe
PID 1428 wrote to memory of 696	1428	colxncb.exe	vssadmin.exe
PID 1428 wrote to memory of 696	1428	colxncb.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
"C:\Users\Admin\AppData\Local\Temp\3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
C:\Users\Admin\AppData\Local\Temp\3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45.exe
2⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Roaming\colxncb.exe
C:\Users\Admin\AppData\Roaming\colxncb.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:536

C:\Users\Admin\AppData\Roaming\colxncb.exe
C:\Users\Admin\AppData\Roaming\colxncb.exe
4⤵
- Executes dropped EXE
- Modifies extensions of user files
- Loads dropped DLL
- Adds Run key to start application
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1428

C:\Windows\System32\vssadmin.exe
"C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet
5⤵
- Interacts with shadow copies
PID:696

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3E3C6F~1.EXE >> NUL
3⤵
- Deletes itself
PID:572

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1596

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1204 -s 1812
1⤵
- Program crash
PID:1616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

Defacement

1

T1491

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Downloads

C:\Users\Admin\AppData\Roaming\colxncb.exe
Filesize
184KB

MD5
aa9ac393da242ac8b0dc85ee24d667b1

SHA1
f85621566b73d89b08c3b9d5710a0410c97e3996

SHA256
3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

SHA512
dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241

Download Submit
C:\Users\Admin\AppData\Roaming\colxncb.exe
Filesize
184KB

MD5
aa9ac393da242ac8b0dc85ee24d667b1

SHA1
f85621566b73d89b08c3b9d5710a0410c97e3996

SHA256
3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

SHA512
dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241

Download Submit
C:\Users\Admin\AppData\Roaming\colxncb.exe
Filesize
184KB

MD5
aa9ac393da242ac8b0dc85ee24d667b1

SHA1
f85621566b73d89b08c3b9d5710a0410c97e3996

SHA256
3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

SHA512
dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241

Download Submit
\Users\Admin\AppData\Roaming\colxncb.exe
Filesize
184KB

MD5
aa9ac393da242ac8b0dc85ee24d667b1

SHA1
f85621566b73d89b08c3b9d5710a0410c97e3996

SHA256
3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

SHA512
dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241

Download Submit
\Users\Admin\AppData\Roaming\colxncb.exe
Filesize
184KB

MD5
aa9ac393da242ac8b0dc85ee24d667b1

SHA1
f85621566b73d89b08c3b9d5710a0410c97e3996

SHA256
3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

SHA512
dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241

Download Submit
memory/536-71-0x0000000000000000-mapping.dmp

Download
memory/572-76-0x0000000000000000-mapping.dmp

Download
memory/696-93-0x0000000000000000-mapping.dmp

Download
memory/1200-62-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-58-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-68-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-65-0x00000000004258D1-mapping.dmp

Download
memory/1200-64-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-55-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-78-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-56-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-60-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1200-69-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1428-90-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1428-92-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1428-86-0x00000000004258D1-mapping.dmp

Download
memory/1428-94-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1760-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads