ragnarlocker | 30dcc7a8ae98e52ee5547379048ca1fc90925e09a2a81c055021ba225c1d064c

General

Target

ragnar_locker_EDP (4).exe
Size

116KB
MD5

63241a7a39692f90328a72c0e9826afd
SHA1

016ef5b9e91eb9a90af39dbb2c66fe527de12f92
SHA256

30dcc7a8ae98e52ee5547379048ca1fc90925e09a2a81c055021ba225c1d064c
SHA512

6a758b525c665c45770b18d84f2cb8a38b45d8093558bf15f5e7f53283c0352bd9afd54cfdac21e3deaf146fb840ba5ba32b9da765902f36ef7aa126cc8287c1

Score

10^/10

ransomware bootkit persistence ragnarlocker

Malware Config

Extracted

Path

C:\Users\Public\Documents\RGNR_AC7AABB2.txt

Family

ragnarlocker

Ransom Note

***************************************************************************************************************** HELLO EDP.com ! 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. ATTENTION ! We had downloaded more than 10TB of data from your fileservers and if you don't contact us for payment, we will publish it or sell to interested parties. Here is just a small part of your files that we have, for a proof (use Tor Browser for open the link) : http://p6o7m73ujalhgkiv.onion/?p=171 We gathered the most sensitive and confidential information about your transactions, billing, contracts, clients and partners. And be assure that if you wouldn't pay, all files and documents would be publicated for everyones view and also we would notify all your clients and partners about this leakage with direct links. So if you want to avoid such a harm for your reputation, better pay the amount that we asking for. ============================================================================================================== ! 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://mykgoj7uvqtgl367.onion/client/?6bECA2b2AFFfBC1Dff0aa0EaaAd468bec0903b5e4Ea58ecde3C264bC55c7389E c) For visit our NEWS PORTAL with your data, open this website : http://p6o7m73ujalhgkiv.onion/?page_id=171 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--- NmJFQ0EyYjJBRkZmQkMxRGZmMGFhMEVhYUFkNDY4YmVjMDkwM2I1ZTRFYTU4ZWNkZTNDMjY0YkM1NWM3Mzg5RQ== ---RAGNAR SECRET--- ***********************************************************************************

URLs

http://p6o7m73ujalhgkiv.onion/?p=171

http://mykgoj7uvqtgl367.onion/client/?6bECA2b2AFFfBC1Dff0aa0EaaAd468bec0903b5e4Ea58ecde3C264bC55c7389E

http://p6o7m73ujalhgkiv.onion/?page_id=171

Signatures

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

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

ragnar_locker_EDP (4).exe

pid	process
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
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108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
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108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe
108	ragnar_locker_EDP (4).exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes:

wmic.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1408	wmic.exe
Token: SeSecurityPrivilege	1408	wmic.exe
Token: SeTakeOwnershipPrivilege	1408	wmic.exe
Token: SeLoadDriverPrivilege	1408	wmic.exe
Token: SeSystemProfilePrivilege	1408	wmic.exe
Token: SeSystemtimePrivilege	1408	wmic.exe
Token: SeProfSingleProcessPrivilege	1408	wmic.exe
Token: SeIncBasePriorityPrivilege	1408	wmic.exe
Token: SeCreatePagefilePrivilege	1408	wmic.exe
Token: SeBackupPrivilege	1408	wmic.exe
Token: SeRestorePrivilege	1408	wmic.exe
Token: SeShutdownPrivilege	1408	wmic.exe
Token: SeDebugPrivilege	1408	wmic.exe
Token: SeSystemEnvironmentPrivilege	1408	wmic.exe
Token: SeRemoteShutdownPrivilege	1408	wmic.exe
Token: SeUndockPrivilege	1408	wmic.exe
Token: SeManageVolumePrivilege	1408	wmic.exe
Token: 33	1408	wmic.exe
Token: 34	1408	wmic.exe
Token: 35	1408	wmic.exe
Token: SeBackupPrivilege	1620	vssvc.exe
Token: SeRestorePrivilege	1620	vssvc.exe
Token: SeAuditPrivilege	1620	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1408	wmic.exe
Token: SeSecurityPrivilege	1408	wmic.exe
Token: SeTakeOwnershipPrivilege	1408	wmic.exe
Token: SeLoadDriverPrivilege	1408	wmic.exe
Token: SeSystemProfilePrivilege	1408	wmic.exe
Token: SeSystemtimePrivilege	1408	wmic.exe
Token: SeProfSingleProcessPrivilege	1408	wmic.exe
Token: SeIncBasePriorityPrivilege	1408	wmic.exe
Token: SeCreatePagefilePrivilege	1408	wmic.exe
Token: SeBackupPrivilege	1408	wmic.exe
Token: SeRestorePrivilege	1408	wmic.exe
Token: SeShutdownPrivilege	1408	wmic.exe
Token: SeDebugPrivilege	1408	wmic.exe
Token: SeSystemEnvironmentPrivilege	1408	wmic.exe
Token: SeRemoteShutdownPrivilege	1408	wmic.exe
Token: SeUndockPrivilege	1408	wmic.exe
Token: SeManageVolumePrivilege	1408	wmic.exe
Token: 33	1408	wmic.exe
Token: 34	1408	wmic.exe
Token: 35	1408	wmic.exe

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

File Deletion
T1107

Inhibit System Recovery
T1490
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

notepad.exe

pid process

1320 notepad.exe

pid	process
1320	notepad.exe

Modifies extensions of user files 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

ragnar_locker_EDP (4).exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ImportCompress.png => C:\Users\Admin\Pictures\ImportCompress.png.ragnar_AC7AABB2	ragnar_locker_EDP (4).exe
File renamed	C:\Users\Admin\Pictures\ExpandSearch.crw => C:\Users\Admin\Pictures\ExpandSearch.crw.ragnar_AC7AABB2	ragnar_locker_EDP (4).exe
File renamed	C:\Users\Admin\Pictures\ConvertFromFind.png => C:\Users\Admin\Pictures\ConvertFromFind.png.ragnar_AC7AABB2	ragnar_locker_EDP (4).exe
File renamed	C:\Users\Admin\Pictures\DebugTest.tif => C:\Users\Admin\Pictures\DebugTest.tif.ragnar_AC7AABB2	ragnar_locker_EDP (4).exe
File opened for modification	C:\Users\Admin\Pictures\RegisterDisconnect.tiff	ragnar_locker_EDP (4).exe
File renamed	C:\Users\Admin\Pictures\EditFind.crw => C:\Users\Admin\Pictures\EditFind.crw.ragnar_AC7AABB2	ragnar_locker_EDP (4).exe
File renamed	C:\Users\Admin\Pictures\RegisterDisconnect.tiff => C:\Users\Admin\Pictures\RegisterDisconnect.tiff.ragnar_AC7AABB2	ragnar_locker_EDP (4).exe
File renamed	C:\Users\Admin\Pictures\StopRegister.crw => C:\Users\Admin\Pictures\StopRegister.crw.ragnar_AC7AABB2	ragnar_locker_EDP (4).exe
File renamed	C:\Users\Admin\Pictures\ApproveConvertFrom.crw => C:\Users\Admin\Pictures\ApproveConvertFrom.crw.ragnar_AC7AABB2	ragnar_locker_EDP (4).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

980 vssadmin.exe

pid	process
980	vssadmin.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\Registry 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\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe

Drops file in Program Files directory 10170 IoCs

Processes:

ragnar_locker_EDP (4).exe

description	ioc	process
File created	C:\Program Files (x86)\Common Files\Adobe\Updater6\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_divider.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\el-GR\tipresx.dll.mui	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BabyBlue\BUTTON.GIF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\AN01044_.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\SO00305_.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD10336_.GIF	ragnar_locker_EDP (4).exe
File created	C:\Program Files\Microsoft Office\Office14\FORMS\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File created	C:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectTool\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\modern.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\tr-TR\tipresx.dll.mui	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-editor-mimelookup.jar	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-attach_zh_CN.jar	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0217262.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0238983.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\MEDIA\OFFICE14\LINES\BD21370_.GIF	ragnar_locker_EDP (4).exe
File created	C:\Program Files\VideoLAN\VLC\locale\el\LC_MESSAGES\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_s.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ug.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\bear_formatted_matte2.wmv	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_cloudy.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Soft Blue.htm	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FieldTypePreview\UnformattedNumeric.jpg	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Templates\1033\Access\Part\Issues.accdt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-waning-crescent.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15060_.GIF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\SETLANG.HXS	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_buttongraphic.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\si\LC_MESSAGES\vlc.mo	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Asia\Jerusalem	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\THOCR.PSP	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\MEDIA\OFFICE14\LINES\BD15073_.GIF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\PROTTPLV.XLS	ragnar_locker_EDP (4).exe
File created	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\en-US\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\HideSend.wm	ragnar_locker_EDP (4).exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SceneButtonInset_Alpha1.png	ragnar_locker_EDP (4).exe
File created	C:\Program Files\Microsoft Office\CLIPART\Publisher\Backgrounds\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).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_basestyle.css	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0157831.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0309664.JPG	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\SO00941_.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\Sounds\People\COUGH.WAV	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\Groove\ToolBMPs\MessageAttachmentIconImages.jpg	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\720_480shadow.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationRight_SelectionSubpicture.png	ragnar_locker_EDP (4).exe
File created	C:\Program Files\VideoLAN\VLC\locale\ky\LC_MESSAGES\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\21.png	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\THEMES14\SPRING\SPRING.INF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Tongatapu	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\TN00687_.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\GRPHFLT\CGMIMP32.FLT	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\THEMES14\REFINED\REFINED.INF	ragnar_locker_EDP (4).exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\1033\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0216612.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\MEDIA\CAGCAT10\J0233312.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Font\PFM\zy______.pfm	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\SubsetList\Client.xml	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\PassportMask_PAL.wmv	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Document Themes 14\Waveform.thmx	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\PUBWIZ\BAN98.POC	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\THEMES14\EDGE\EDGE.ELM	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0106208.WMF	ragnar_locker_EDP (4).exe
File opened for modification	C:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0187849.WMF	ragnar_locker_EDP (4).exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

ragnar_locker_EDP (4).exe

description	pid	process	target process
PID 108 wrote to memory of 1408	108	ragnar_locker_EDP (4).exe	wmic.exe
PID 108 wrote to memory of 1408	108	ragnar_locker_EDP (4).exe	wmic.exe
PID 108 wrote to memory of 1408	108	ragnar_locker_EDP (4).exe	wmic.exe
PID 108 wrote to memory of 1408	108	ragnar_locker_EDP (4).exe	wmic.exe
PID 108 wrote to memory of 980	108	ragnar_locker_EDP (4).exe	vssadmin.exe
PID 108 wrote to memory of 980	108	ragnar_locker_EDP (4).exe	vssadmin.exe
PID 108 wrote to memory of 980	108	ragnar_locker_EDP (4).exe	vssadmin.exe
PID 108 wrote to memory of 980	108	ragnar_locker_EDP (4).exe	vssadmin.exe
PID 108 wrote to memory of 1320	108	ragnar_locker_EDP (4).exe	notepad.exe
PID 108 wrote to memory of 1320	108	ragnar_locker_EDP (4).exe	notepad.exe
PID 108 wrote to memory of 1320	108	ragnar_locker_EDP (4).exe	notepad.exe
PID 108 wrote to memory of 1320	108	ragnar_locker_EDP (4).exe	notepad.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_EDP (4).exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 ragnar_locker_EDP (4).exe
Drops startup file 1 IoCs

Processes:

ragnar_locker_EDP (4).exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\RGNR_AC7AABB2.txt ragnar_locker_EDP (4).exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	ragnar_locker_EDP (4).exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\RGNR_AC7AABB2.txt	ragnar_locker_EDP (4).exe

C:\Users\Admin\AppData\Local\Temp\ragnar_locker_EDP (4).exe
"C:\Users\Admin\AppData\Local\Temp\ragnar_locker_EDP (4).exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Modifies extensions of user files
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
- Writes to the Master Boot Record (MBR)
- Drops startup file
PID:108

C:\Windows\System32\Wbem\wmic.exe
wmic.exe shadowcopy delete
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1408

C:\Windows\system32\vssadmin.exe
vssadmin delete shadows /all /quiet
2⤵
- Interacts with shadow copies
PID:980

C:\Windows\SysWOW64\notepad.exe
C:\Users\Public\Documents\RGNR_AC7AABB2.txt
2⤵
- Opens file in notepad (likely ransom note)
PID:1320

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:1620

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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C:\Users\Public\Documents\RGNR_AC7AABB2.txt

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memory/108-39-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-3-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-47-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-5-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-7-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-9-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-13-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-17-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-21-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-25-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-29-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-31-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-35-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-0-0x00000000020C0000-0x00000000020D1000-memory.dmp

Filesize
68KB

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memory/108-1-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-2-0x00000000020C0000-0x00000000020D1000-memory.dmp

Filesize
68KB

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memory/108-51-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-55-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-59-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-63-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

Download
memory/108-71-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-79-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-87-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

Download
memory/108-89-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

Download
memory/108-97-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-43-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

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memory/108-101-0x00000000020C0000-0x00000000020D1000-memory.dmp

Filesize
68KB

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memory/980-102-0x0000000000000000-mapping.dmp

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memory/1320-103-0x0000000000000000-mapping.dmp

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memory/1408-100-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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