ragnarlocker | 3bc8ce79ee7043c9ad70698e3fc2013806244dc5112c8c8d465e96757b57b1e1

General

Target

ragnar_locker_Omniga.de__.exe
Size

48KB
MD5

48c0edeea7a6fda6646c3cdb9630a964
SHA1

18c1dfe6e5e401d4fb4f309af2daae166816bd97
SHA256

3bc8ce79ee7043c9ad70698e3fc2013806244dc5112c8c8d465e96757b57b1e1
SHA512

969b44e9d5e53a3f82767e9bd67ff47b85f3b53318d6ceb2cc03d4a7d255161b752f87220bfbccce954810a948b34626f0bdda30ede289a0569e7f8e18ab533c

Score

10^/10

ransomware persistence ragnarlocker bootkit

Malware Config

Extracted

Path

C:\Users\Public\Documents\RGNR_F0C1BF83.txt

Family

ragnarlocker

Ransom Note

***************************************************************************************************************** HELLO Omniga.de ! If you reading this message, then your network was PENETRATED and all of your files and data has been ENCRYPTED by RAGNAR_LOCKER ! ***************************************************************************************************************** !!!!! WARNING !!!!! DO NOT Modify, rename, copy or move any files or you can DAMAGE them and decryption will be impossible. DO NOT use any third party or public decryption software, it also may damage files. DO NOT Shutdown or reset your system ------------------------------------- There is ONLY ONE possible way to get back your files - contact us and pay for our special decryption key ! For your GUARANTEE we will decrypt 2 of your files FOR FREE, as a proof of our capabilities Don't waste your TIME, the link for contacting us will be deleted if there is no contact made in closest future and you will never restore your DATA. HOWEVER if you will contact us within 2 day since get penetrated - you can get a very SPECIAL PRICE. WARNING ! We had downloaded your private information including billing info, clients private data, contracts, agreements and a lot of other sensitive information. Also we take your SQL server DB,access to leadership's mails and correspondence, admin credentials, VPN-servers, Backup shares, Cloud host, and a lot of other info from your Network. You can check some proofs here: https://prnt.sc/s5g6gr https://prnt.sc/s5g79t https://prnt.sc/s5gkxh Whole data gathered from your SECRET files and directories could be published for everyone's view and your partners, clients and investors would be notified about leak. However if we make a deal everything would be kept in secret and all your data will be restored. You can take a look on some examples of what we have, right now it's a private hidden page. Use Tor Browser to open the link: http://p6o7m73ujalhgkiv.onion/temporary-de-page-424/ to view the page's content use password: OmnigUdk$912f If you wouldn't PAY, we will publish this post with much more information available for Downloading. In mass media breaking news about the leak will make a lot of noise in every IT-journals, blogs, sites etc. Besides, your private data will be sold out on Darknet forums! To avoid such troubles and lawsuits from your clients and partners it's better to make a deal with us. ============================================================================================================== ! HERE IS THE SIMPLE MANUAL HOW TO GET CONTACT WITH US VIA LIVE CHAT ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! a) Download and install TOR browser from this site : https://torproject.org b) For contact us via LIVE CHAT open our website : http://stppd5as5x4hxs45.onion/client/?0dFE0B7BAA7C7801ddd746B1DC5ad44bAD82Fc0f77DAC01bD3cf3D2D9deB94bC c) For visit our NEWS PORTAL with your data, open this website : http://p6o7m73ujalhgkiv.onion/temporary-de-page-424/ ( password: OmnigUdk$912f ) d) If Tor is restricted in your area, use VPN When you open LIVE CHAT website follow rules : Follow the instructions on the website. At the top you will find CHAT tab. Send your message there and wait for response (we are not online 24/7, So you have to wait for your turn). *********************************************************************************** ---RAGNAR SECRET--- MGRGRTBCN0JBQTdDNzgwMWRkZDc0NkIxREM1YWQ0NGJBRDgyRmMwZjc3REFDMDFiRDNjZjNEMkQ5ZGVCOTRiQw== ---RAGNAR SECRET--- ***********************************************************************************

URLs

https://prnt.sc/s5g6gr

https://prnt.sc/s5g79t

https://prnt.sc/s5gkxh

http://p6o7m73ujalhgkiv.onion/temporary-de-page-424/

http://stppd5as5x4hxs45.onion/client/?0dFE0B7BAA7C7801ddd746B1DC5ad44bAD82Fc0f77DAC01bD3cf3D2D9deB94bC

Signatures

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

ragnar_locker_Omniga.de__.exe

description	pid	process	target process
PID 1376 wrote to memory of 1992	1376	ragnar_locker_Omniga.de__.exe	wmic.exe
PID 1376 wrote to memory of 1992	1376	ragnar_locker_Omniga.de__.exe	wmic.exe
PID 1376 wrote to memory of 1992	1376	ragnar_locker_Omniga.de__.exe	wmic.exe
PID 1376 wrote to memory of 1992	1376	ragnar_locker_Omniga.de__.exe	wmic.exe
PID 1376 wrote to memory of 1960	1376	ragnar_locker_Omniga.de__.exe	vssadmin.exe
PID 1376 wrote to memory of 1960	1376	ragnar_locker_Omniga.de__.exe	vssadmin.exe
PID 1376 wrote to memory of 1960	1376	ragnar_locker_Omniga.de__.exe	vssadmin.exe
PID 1376 wrote to memory of 1960	1376	ragnar_locker_Omniga.de__.exe	vssadmin.exe
PID 1376 wrote to memory of 1052	1376	ragnar_locker_Omniga.de__.exe	notepad.exe
PID 1376 wrote to memory of 1052	1376	ragnar_locker_Omniga.de__.exe	notepad.exe
PID 1376 wrote to memory of 1052	1376	ragnar_locker_Omniga.de__.exe	notepad.exe
PID 1376 wrote to memory of 1052	1376	ragnar_locker_Omniga.de__.exe	notepad.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes:

wmic.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1992	wmic.exe
Token: SeSecurityPrivilege	1992	wmic.exe
Token: SeTakeOwnershipPrivilege	1992	wmic.exe
Token: SeLoadDriverPrivilege	1992	wmic.exe
Token: SeSystemProfilePrivilege	1992	wmic.exe
Token: SeSystemtimePrivilege	1992	wmic.exe
Token: SeProfSingleProcessPrivilege	1992	wmic.exe
Token: SeIncBasePriorityPrivilege	1992	wmic.exe
Token: SeCreatePagefilePrivilege	1992	wmic.exe
Token: SeBackupPrivilege	1992	wmic.exe
Token: SeRestorePrivilege	1992	wmic.exe
Token: SeShutdownPrivilege	1992	wmic.exe
Token: SeDebugPrivilege	1992	wmic.exe
Token: SeSystemEnvironmentPrivilege	1992	wmic.exe
Token: SeRemoteShutdownPrivilege	1992	wmic.exe
Token: SeUndockPrivilege	1992	wmic.exe
Token: SeManageVolumePrivilege	1992	wmic.exe
Token: 33	1992	wmic.exe
Token: 34	1992	wmic.exe
Token: 35	1992	wmic.exe
Token: SeBackupPrivilege	1172	vssvc.exe
Token: SeRestorePrivilege	1172	vssvc.exe
Token: SeAuditPrivilege	1172	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1992	wmic.exe
Token: SeSecurityPrivilege	1992	wmic.exe
Token: SeTakeOwnershipPrivilege	1992	wmic.exe
Token: SeLoadDriverPrivilege	1992	wmic.exe
Token: SeSystemProfilePrivilege	1992	wmic.exe
Token: SeSystemtimePrivilege	1992	wmic.exe
Token: SeProfSingleProcessPrivilege	1992	wmic.exe
Token: SeIncBasePriorityPrivilege	1992	wmic.exe
Token: SeCreatePagefilePrivilege	1992	wmic.exe
Token: SeBackupPrivilege	1992	wmic.exe
Token: SeRestorePrivilege	1992	wmic.exe
Token: SeShutdownPrivilege	1992	wmic.exe
Token: SeDebugPrivilege	1992	wmic.exe
Token: SeSystemEnvironmentPrivilege	1992	wmic.exe
Token: SeRemoteShutdownPrivilege	1992	wmic.exe
Token: SeUndockPrivilege	1992	wmic.exe
Token: SeManageVolumePrivilege	1992	wmic.exe
Token: 33	1992	wmic.exe
Token: 34	1992	wmic.exe
Token: 35	1992	wmic.exe

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

File Deletion
T1107

Inhibit System Recovery
T1490
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

1960 vssadmin.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.
bootkit persistence

Bootkit
T1067

Processes:

ragnar_locker_Omniga.de__.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 ragnar_locker_Omniga.de__.exe

pid	process
1960	vssadmin.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	ragnar_locker_Omniga.de__.exe

Drops file in Program Files directory 10153 IoCs

Processes:

ragnar_locker_Omniga.de__.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked-loading.png	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.sat4j.core_2.3.5.v201308161310.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\PE05869_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\SO02051_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\rtf_pressed.gif	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\DD01586_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\SO02793_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\PUBWIZ\DGWEBBTN.DPV	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\BCSClientManifest.man	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\AN01174_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\DD01151_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0187815.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR21F.GIF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\CircleIcons.jpg	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\msadc\en-US\msdaprsr.dll.mui	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\1033\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\WB01842_.GIF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolIcons\TOOLICON.ICO	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\en-US\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\44.png	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Pyongyang	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.launcher.win32.win32.x86_64.nl_zh_4.4.0.v20140623020002.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\SO01575_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\STS2\background.gif	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\PUBSPAPR\PDIR4F.GIF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\kk\LC_MESSAGES\vlc.mo	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\OutlookAutoDiscover\PRODIGY.NET.XML	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\curl-hot.png	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\flyoutBack.png	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Christmas	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.ja_5.5.0.165303.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0090779.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0341738.JPG	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\PE03236_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\DVD Maker\rtstreamsink.ax	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\drag.png	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files (x86)\Windows Media Player\Visualizations\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files\Common Files\Microsoft Shared\THEMES14\LAYERS\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\IN00046_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0107316.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0297759.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_h.png	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FormsTemplates\Process Library.fdt	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files\VideoLAN\VLC\lua\modules\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_ru.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.diagnostic.zh_CN_5.5.0.165303.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.webapp_3.6.300.v20140407-1855.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\WB01838_.GIF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Document Themes 14\Theme Fonts\Perspective.xml	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\TR00172_.WMF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsBlankPage.html	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\PUBWIZ\CALENDAR.XML	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\THEMES14\SLATE\SLATE.ELM	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring_ja.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-modules-appui_zh_CN.jar	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Asia\Omsk	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\PH02752G.GIF	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Microsoft Office\Stationery\1033\PINELUMB.HTM	ragnar_locker_Omniga.de__.exe
File created	C:\Program Files\VideoLAN\VLC\locale\am\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-full_partly-cloudy.png	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Notes_content-background.png	ragnar_locker_Omniga.de__.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\feature.xml	ragnar_locker_Omniga.de__.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

ragnar_locker_Omniga.de__.exe

pid	process
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe
1376	ragnar_locker_Omniga.de__.exe

RagnarLocker
Ransomware first seen at the end of 2019, which has been used in targetted attacks against multiple companies.
ransomware ragnarlocker

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

ragnar_locker_Omniga.de__.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\SkipUpdate.png => C:\Users\Admin\Pictures\SkipUpdate.png.ragnar_F0C1BF83	ragnar_locker_Omniga.de__.exe
File renamed	C:\Users\Admin\Pictures\ConfirmResume.tif => C:\Users\Admin\Pictures\ConfirmResume.tif.ragnar_F0C1BF83	ragnar_locker_Omniga.de__.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

notepad.exe

pid process

1052 notepad.exe
Drops startup file 1 IoCs

Processes:

ragnar_locker_Omniga.de__.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\RGNR_F0C1BF83.txt ragnar_locker_Omniga.de__.exe

pid	process
1052	notepad.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\RGNR_F0C1BF83.txt	ragnar_locker_Omniga.de__.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

vssvc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\ragnar_locker_Omniga.de__.exe
"C:\Users\Admin\AppData\Local\Temp\ragnar_locker_Omniga.de__.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Modifies extensions of user files
- Drops startup file
PID:1376
- C:\Windows\System32\Wbem\wmic.exe
  wmic.exe shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1992
- C:\Windows\system32\vssadmin.exe
  vssadmin delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:1960
- C:\Windows\SysWOW64\notepad.exe
  C:\Users\Public\Documents\RGNR_F0C1BF83.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1052

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:1172

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

File Deletion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\Public\Documents\RGNR_F0C1BF83.txt

Download Submit
memory/1052-102-0x0000000000000000-mapping.dmp

Download
memory/1376-43-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-69-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-5-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-7-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-9-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-15-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-19-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-23-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-29-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-33-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-37-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-41-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-1-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-0-0x0000000002250000-0x0000000002261000-memory.dmp

Filesize
68KB

Download
memory/1376-65-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-51-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-55-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-61-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-49-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-3-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-79-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-87-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-89-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-97-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1376-2-0x0000000002250000-0x0000000002261000-memory.dmp

Filesize
68KB

Download
memory/1376-47-0x0000000002660000-0x0000000002671000-memory.dmp

Filesize
68KB

Download
memory/1960-101-0x0000000000000000-mapping.dmp

Download
memory/1992-100-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads