Malware Analysis Report

2024-10-24 18:40

Sample ID 211005-mjm9qahhep
Target 3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40
SHA256 3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40
Tags
blackmatter ransomware suricata 14a875a2bd63041b2b3e5c323e8d5eee
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40

Threat Level: Known bad

The file 3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40 was found to be: Known bad.

Malicious Activity Summary

blackmatter ransomware suricata 14a875a2bd63041b2b3e5c323e8d5eee

BlackMatter Ransomware

suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

Blackmatter family

suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

Modifies extensions of user files

Enumerates connected drives

Suspicious use of NtSetInformationThreadHideFromDebugger

Sets desktop wallpaper using registry

Enumerates physical storage devices

Modifies Control Panel

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Opens file in notepad (likely ransom note)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-10-05 10:29

Signatures

Blackmatter family

blackmatter

Analysis: behavioral2

Detonation Overview

Submitted

2021-10-05 10:29

Reported

2021-10-05 10:32

Platform

win10-en-20210920

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

suricata

suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

suricata

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\CompareSelect.tiff => C:\Users\Admin\Pictures\CompareSelect.tiff.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\RestartHide.tif => C:\Users\Admin\Pictures\RestartHide.tif.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\SplitEnter.tif => C:\Users\Admin\Pictures\SplitEnter.tif.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\StepCopy.tiff => C:\Users\Admin\Pictures\StepCopy.tiff.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\StepCopy.tiff.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\CompareSelect.tiff.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\ConnectInstall.png.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\ShowOptimize.tif => C:\Users\Admin\Pictures\ShowOptimize.tif.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\SplitEnter.tif.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\RestartHide.tif.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\StepCopy.tiff C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\CompareSelect.tiff C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\ConnectInstall.png => C:\Users\Admin\Pictures\ConnectInstall.png.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\ShowOptimize.tif.AVx2lZV2X C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\AVx2lZV2X.bmp" C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\AVx2lZV2X.bmp" C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe

"C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 mojobiden.com udp
US 8.8.8.8:53 nowautomation.com udp

Files

memory/2352-115-0x0000000002913000-0x0000000002915000-memory.dmp

memory/2352-116-0x0000000002910000-0x0000000002911000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2021-10-05 10:29

Reported

2021-10-05 10:33

Platform

win7v20210408

Max time kernel

149s

Max time network

64s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

suricata

suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

suricata

Modifies extensions of user files

ransomware
Description Indicator Process Target
File opened for modification C:\Users\Admin\Pictures\WatchConvert.tiff.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\BlockRevoke.crw => C:\Users\Admin\Pictures\BlockRevoke.crw.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\GetSkip.raw.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\WatchConvert.tiff C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\BackupClose.crw => C:\Users\Admin\Pictures\BackupClose.crw.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\BackupClose.crw.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\EnableReset.tif.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\GetSkip.raw => C:\Users\Admin\Pictures\GetSkip.raw.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\UpdateStart.tif => C:\Users\Admin\Pictures\UpdateStart.tif.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\ApproveExport.tiff C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\ApproveExport.tiff => C:\Users\Admin\Pictures\ApproveExport.tiff.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\BlockRevoke.crw.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\WatchConvert.tiff => C:\Users\Admin\Pictures\WatchConvert.tiff.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\ApproveExport.tiff.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File renamed C:\Users\Admin\Pictures\EnableReset.tif => C:\Users\Admin\Pictures\EnableReset.tif.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
File opened for modification C:\Users\Admin\Pictures\UpdateStart.tif.1rWCqamCt C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\1rWCqamCt.bmp" C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\1rWCqamCt.bmp" C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A

Enumerates physical storage devices

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Windows\splwow64.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Windows\splwow64.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}" C:\Windows\splwow64.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0" C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_Classes\Local Settings C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Windows\splwow64.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}" C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000 C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000 C:\Windows\splwow64.exe N/A

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\NOTEPAD.EXE N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\splwow64.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\splwow64.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe

"C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\SysWOW64\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" /p C:\1rWCqamCt.README.txt

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

Country Destination Domain Proto
US 8.8.8.8:53 mojobiden.com udp
US 8.8.8.8:53 nowautomation.com udp

Files

memory/1968-59-0x00000000767B1000-0x00000000767B3000-memory.dmp

memory/1968-60-0x0000000000875000-0x0000000000886000-memory.dmp

memory/1968-61-0x0000000000870000-0x0000000000871000-memory.dmp

memory/1968-62-0x0000000000886000-0x0000000000887000-memory.dmp

memory/1952-63-0x0000000000000000-mapping.dmp

C:\1rWCqamCt.README.txt

MD5 5fc34d51147df5696554dd7cca4febaa
SHA1 cc58005940434a64e8c1f18a1a645a09869abeb4
SHA256 a811e4d76dc3a6014a3a41a6692a09ce82a0f28276df1b9252b87894a69e3fce
SHA512 1a50b466e43259b2f7faf5a472759a8a355609186bd1227dcf64309a3e9eab7d258c0d8931d4c283156a61558b678c1563a6ea05dfe489f75316b1b3c7e9da23

memory/1456-66-0x0000000000000000-mapping.dmp

memory/1456-67-0x000007FEFC051000-0x000007FEFC053000-memory.dmp

memory/1456-68-0x0000000004150000-0x0000000004151000-memory.dmp