Malware Analysis Report

2024-10-24 18:40

Sample ID 211019-q9te7sfhf7
Target fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample
SHA256 fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2
Tags
blackmatter ransomware
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

fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2

Threat Level: Known bad

The file fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample was found to be: Known bad.

Malicious Activity Summary

blackmatter ransomware

BlackMatter Ransomware

Modifies extensions of user files

Enumerates connected drives

Sets desktop wallpaper using registry

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of AdjustPrivilegeToken

Modifies Control Panel

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-10-19 13:58

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-10-19 13:58

Reported

2021-10-19 14:00

Platform

win7-en-20210920

Max time kernel

122s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\DismountSubmit.tiff => C:\Users\Admin\Pictures\DismountSubmit.tiff.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\InitializeRepair.tiff C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\MountRegister.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\ReadMount.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\AssertInstall.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\CompressRestart.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\DenyUnregister.raw.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\DismountSubmit.tiff.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\InitializeRepair.tiff.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\UnregisterMount.crw.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\AssertInstall.tif => C:\Users\Admin\Pictures\AssertInstall.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\DisconnectPop.tif => C:\Users\Admin\Pictures\DisconnectPop.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\DisconnectPop.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\InitializeRepair.tiff => C:\Users\Admin\Pictures\InitializeRepair.tiff.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\MeasureSelect.raw => C:\Users\Admin\Pictures\MeasureSelect.raw.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\MountRegister.tif => C:\Users\Admin\Pictures\MountRegister.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\UnregisterMount.crw => C:\Users\Admin\Pictures\UnregisterMount.crw.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\CompressRestart.tif => C:\Users\Admin\Pictures\CompressRestart.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\ExpandRegister.png => C:\Users\Admin\Pictures\ExpandRegister.png.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\ExpandRegister.png.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\EnableSuspend.png.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\MeasureSelect.raw.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\ReadMount.tif => C:\Users\Admin\Pictures\ReadMount.tif.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\DenyUnregister.raw => C:\Users\Admin\Pictures\DenyUnregister.raw.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\DismountSubmit.tiff C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\EnableSuspend.png => C:\Users\Admin\Pictures\EnableSuspend.png.chkvc3MvG C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\chkvc3MvG.bmp" C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\chkvc3MvG.bmp" C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.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\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe

"C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 fluentzip.org udp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:80 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp

Files

memory/1268-54-0x00000000751A1000-0x00000000751A3000-memory.dmp

memory/1268-55-0x0000000000955000-0x0000000000966000-memory.dmp

memory/1268-56-0x0000000000950000-0x0000000000951000-memory.dmp

memory/1268-57-0x0000000000966000-0x0000000000967000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-10-19 13:58

Reported

2021-10-19 14:00

Platform

win10-en-20211014

Max time kernel

121s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\GroupBackup.raw => C:\Users\Admin\Pictures\GroupBackup.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\SelectReset.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\SplitStop.png.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\StepRequest.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\WriteExit.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\ClearEnable.tiff C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\SplitStop.png => C:\Users\Admin\Pictures\SplitStop.png.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\SplitWrite.raw => C:\Users\Admin\Pictures\SplitWrite.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\ResolveTrace.crw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\CloseUnpublish.tif.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\StepRequest.tiff C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\ApproveEnter.png => C:\Users\Admin\Pictures\ApproveEnter.png.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\RegisterLock.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\CloseUnpublish.tif => C:\Users\Admin\Pictures\CloseUnpublish.tif.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\InstallTest.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\SelectReset.tiff => C:\Users\Admin\Pictures\SelectReset.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\ApproveEnter.png.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\SelectReset.tiff C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\SplitWrite.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\StepRequest.tiff => C:\Users\Admin\Pictures\StepRequest.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\WriteExit.raw => C:\Users\Admin\Pictures\WriteExit.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\GroupBackup.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\LimitImport.tif => C:\Users\Admin\Pictures\LimitImport.tif.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\RegisterLock.tiff C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\RegisterLock.tiff => C:\Users\Admin\Pictures\RegisterLock.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\ResolveTrace.crw => C:\Users\Admin\Pictures\ResolveTrace.crw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\SubmitInstall.crw => C:\Users\Admin\Pictures\SubmitInstall.crw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\ClearEnable.tiff => C:\Users\Admin\Pictures\ClearEnable.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File renamed C:\Users\Admin\Pictures\InstallTest.raw => C:\Users\Admin\Pictures\InstallTest.raw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\LimitImport.tif.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\SubmitInstall.crw.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
File opened for modification C:\Users\Admin\Pictures\ClearEnable.tiff.WRLMMTHME C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\WRLMMTHME.bmp" C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\WRLMMTHME.bmp" C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.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\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe

"C:\Users\Admin\AppData\Local\Temp\fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2.bin.sample.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
IE 52.109.76.32:443 tcp
US 8.8.8.8:53 time.windows.com udp
NL 20.101.57.9:123 time.windows.com udp
US 8.8.8.8:53 fluentzip.org udp
FR 5.39.3.130:443 fluentzip.org tcp
FR 5.39.3.130:443 fluentzip.org tcp
US 8.8.8.8:53 s.symcb.com udp
US 72.21.91.29:80 s.symcb.com tcp
US 8.8.8.8:53 ts-crl.ws.symantec.com udp
US 93.184.220.29:80 ts-crl.ws.symantec.com tcp

Files

memory/2160-115-0x00000000030C3000-0x00000000030C5000-memory.dmp

memory/2160-116-0x00000000030C0000-0x00000000030C1000-memory.dmp