Malware Analysis Report

2024-10-16 03:22

Sample ID 220925-s644msfcc9
Target 2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe
SHA256 2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2
Tags
blackmatter ransomware e4aaffc36f5d5b7d597455eb6d497df5
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2

Threat Level: Known bad

The file 2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe was found to be: Known bad.

Malicious Activity Summary

blackmatter ransomware e4aaffc36f5d5b7d597455eb6d497df5

Blackmatter family

BlackMatter Ransomware

Modifies extensions of user files

Sets desktop wallpaper using registry

Suspicious use of NtSetInformationThreadHideFromDebugger

Enumerates physical storage devices

Opens file in notepad (likely ransom note)

Modifies registry class

Suspicious use of FindShellTrayWindow

Modifies Control Panel

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-09-25 15:45

Signatures

Blackmatter family

blackmatter

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-25 15:45

Reported

2022-09-25 15:47

Platform

win7-20220812-en

Max time kernel

111s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\RenameSend.png => C:\Users\Admin\Pictures\RenameSend.png.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\DisconnectRevoke.crw => C:\Users\Admin\Pictures\DisconnectRevoke.crw.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\ImportPing.crw.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\LockTrace.tif.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\ImportPing.crw => C:\Users\Admin\Pictures\ImportPing.crw.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\LockTrace.tif => C:\Users\Admin\Pictures\LockTrace.tif.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\RenameSend.png.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\StartWatch.png => C:\Users\Admin\Pictures\StartWatch.png.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\StartWatch.png.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\DisconnectRevoke.crw.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\DismountLock.png => C:\Users\Admin\Pictures\DismountLock.png.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\DismountLock.png.RJqGZ2eGm C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\RJqGZ2eGm.bmp" C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\RJqGZ2eGm.bmp" C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A

Enumerates physical storage devices

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Windows\splwow64.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_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-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000 C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg C:\Windows\splwow64.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_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 (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000 C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Windows\splwow64.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Windows\splwow64.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Windows\splwow64.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" C:\Windows\splwow64.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0" C:\Windows\splwow64.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.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 use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.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 FindShellTrayWindow

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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe

"C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\SysWOW64\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" /p C:\RJqGZ2eGm.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
NL 77.247.183.153:443 mojobiden.com tcp
US 8.8.8.8:53 apps.identrust.com udp
NL 96.16.53.134:80 apps.identrust.com tcp
US 8.8.8.8:53 survey-smiles.com udp
US 199.59.243.222:80 survey-smiles.com tcp
NL 77.247.183.153:80 mojobiden.com tcp
US 199.59.243.222:80 survey-smiles.com tcp
US 8.8.8.8:53 nowautomation.com udp
US 45.88.202.115:443 nowautomation.com tcp
US 45.88.202.115:80 nowautomation.com tcp
US 45.88.202.115:443 nowautomation.com tcp
NL 77.247.183.153:443 mojobiden.com tcp
US 199.59.243.222:80 survey-smiles.com tcp
NL 77.247.183.153:80 mojobiden.com tcp
US 199.59.243.222:80 survey-smiles.com tcp
US 45.88.202.115:443 nowautomation.com tcp
US 45.88.202.115:443 nowautomation.com tcp

Files

memory/1944-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

memory/1944-55-0x0000000000315000-0x0000000000326000-memory.dmp

memory/1100-56-0x0000000000000000-mapping.dmp

C:\RJqGZ2eGm.README.txt

MD5 b7f54f12f8d46188c98172cf6c39f91e
SHA1 73f9572f52d54b2cffb8e4464f28453bc3d192b9
SHA256 dedefcd61e8ed1e5a7c8a9469aad4605042ce2eb69c2b20cf6e1ed9b8a14f56d
SHA512 2f0f138db798902990fb4c4cd4f05c66f656a7aef5aa186bad17a39683973c98da392b5207d9ba654a6e2774d920bbf2afea996513e91d159cb87961548374d5

memory/1520-59-0x0000000000000000-mapping.dmp

memory/1520-60-0x000007FEFC511000-0x000007FEFC513000-memory.dmp

C:\Users\Admin\Documents\ReadRename.xps.RJqGZ2eGm

MD5 69f55e97e3ea332d6f353b03bf5d4923
SHA1 ba6ef7f87dc4810859e1b0fc1044bd849ce88fd1
SHA256 9ff0b483f39936854f69b45154a440e9b9449be4d9ea5a4f46392f6ad8f978e9
SHA512 2db7e46663a2fe06357abbd0b6904f704d217c5edc0696c341ddb09dec0d46b06d632f27b52a7ee218ce1368d8484c779a38a5604eb378ab53be941f4d333b6d

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-25 15:45

Reported

2022-09-25 15:47

Platform

win10v2004-20220812-en

Max time kernel

72s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

Modifies extensions of user files

ransomware
Description Indicator Process Target
File opened for modification C:\Users\Admin\Pictures\StopOut.png.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\StopResolve.raw.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\UndoDeny.tif => C:\Users\Admin\Pictures\UndoDeny.tif.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\UpdateRegister.tiff => C:\Users\Admin\Pictures\UpdateRegister.tiff.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\UpdateRegister.tiff.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\ApproveEnter.crw.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\ApproveEnter.crw => C:\Users\Admin\Pictures\ApproveEnter.crw.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\StopOut.png => C:\Users\Admin\Pictures\StopOut.png.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\StopResolve.raw => C:\Users\Admin\Pictures\StopResolve.raw.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File renamed C:\Users\Admin\Pictures\WatchLock.tiff => C:\Users\Admin\Pictures\WatchLock.tiff.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\UndoDeny.tif.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\UpdateRegister.tiff C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\WatchLock.tiff C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
File opened for modification C:\Users\Admin\Pictures\WatchLock.tiff.o4h6Kyt6i C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\o4h6Kyt6i.bmp" C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\o4h6Kyt6i.bmp" C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe

"C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\o4h6Kyt6i.README.txt

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 8.8.8.8:53 mojobiden.com udp
NL 77.247.183.153:443 mojobiden.com tcp
US 8.8.8.8:53 survey-smiles.com udp
US 199.59.243.222:80 survey-smiles.com tcp
NL 77.247.183.153:80 mojobiden.com tcp
US 199.59.243.222:80 survey-smiles.com tcp
US 8.8.8.8:53 nowautomation.com udp
US 45.88.202.115:443 nowautomation.com tcp
US 45.88.202.115:80 nowautomation.com tcp
US 45.88.202.115:443 nowautomation.com tcp
NL 77.247.183.153:443 mojobiden.com tcp
US 199.59.243.222:80 survey-smiles.com tcp
NL 77.247.183.153:80 mojobiden.com tcp
US 199.59.243.222:80 survey-smiles.com tcp
US 45.88.202.115:443 nowautomation.com tcp
US 45.88.202.115:443 nowautomation.com tcp
DE 51.116.253.168:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 104.80.225.205:443 tcp
US 93.184.220.29:80 tcp

Files

C:\Users\Admin\Desktop\o4h6Kyt6i.README.txt

MD5 b7f54f12f8d46188c98172cf6c39f91e
SHA1 73f9572f52d54b2cffb8e4464f28453bc3d192b9
SHA256 dedefcd61e8ed1e5a7c8a9469aad4605042ce2eb69c2b20cf6e1ed9b8a14f56d
SHA512 2f0f138db798902990fb4c4cd4f05c66f656a7aef5aa186bad17a39683973c98da392b5207d9ba654a6e2774d920bbf2afea996513e91d159cb87961548374d5