Malware Analysis Report

2024-10-16 03:23

Sample ID 221228-sfkx3sdg3w
Target 51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe
SHA256 51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f
Tags
upx 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

51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f

Threat Level: Known bad

The file 51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe was found to be: Known bad.

Malicious Activity Summary

upx blackmatter ransomware

Blackmatter family

BlackMatter Ransomware

Modifies extensions of user files

UPX packed file

Sets desktop wallpaper using registry

Suspicious use of NtSetInformationThreadHideFromDebugger

Modifies Control Panel

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-12-28 15:04

Signatures

Blackmatter family

blackmatter

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-28 15:04

Reported

2022-12-28 15:06

Platform

win7-20220812-en

Max time kernel

42s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\RemoveConfirm.tif => C:\Users\Admin\Pictures\RemoveConfirm.tif.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\UnblockUninstall.png => C:\Users\Admin\Pictures\UnblockUninstall.png.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\UnblockUninstall.png.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\ConvertToRequest.tiff.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\InvokeExport.raw => C:\Users\Admin\Pictures\InvokeExport.raw.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\RemoveConfirm.tif.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\AddPush.tif => C:\Users\Admin\Pictures\AddPush.tif.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\AddPush.tif.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\ConvertToRequest.tiff => C:\Users\Admin\Pictures\ConvertToRequest.tiff.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\ReceiveInvoke.raw.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\CompressInstall.tif => C:\Users\Admin\Pictures\CompressInstall.tif.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\ConvertToRequest.tiff C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\InvokeExport.raw.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\UnlockLock.raw.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\CompressInstall.tif.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\ReceiveInvoke.raw => C:\Users\Admin\Pictures\ReceiveInvoke.raw.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\UnlockLock.raw => C:\Users\Admin\Pictures\UnlockLock.raw.ZTyZBweZP C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ZTyZBweZP.bmp" C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ZTyZBweZP.bmp" C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.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\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e14000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e80f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f631900000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827 C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.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\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.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\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe

"C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 paymenthacks.com udp
N/A 103.224.212.222:443 paymenthacks.com tcp
N/A 8.8.8.8:53 apps.identrust.com udp
N/A 88.221.25.153:80 apps.identrust.com tcp
N/A 8.8.8.8:53 ww25.paymenthacks.com udp
N/A 199.59.243.222:80 ww25.paymenthacks.com tcp
N/A 103.224.212.222:80 paymenthacks.com tcp
N/A 199.59.243.222:80 ww25.paymenthacks.com tcp
N/A 8.8.8.8:53 mojobiden.com udp
N/A 77.247.183.149:443 mojobiden.com tcp
N/A 8.8.8.8:53 survey-smiles.com udp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 77.247.183.149:80 mojobiden.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 103.224.212.222:443 paymenthacks.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 103.224.212.222:80 paymenthacks.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 77.247.183.149:443 mojobiden.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 77.247.183.149:80 mojobiden.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp

Files

memory/1148-54-0x0000000074C11000-0x0000000074C13000-memory.dmp

memory/1148-55-0x0000000001040000-0x0000000001057000-memory.dmp

memory/1148-56-0x0000000000BA5000-0x0000000000BB6000-memory.dmp

memory/1148-57-0x0000000001040000-0x0000000001057000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-28 15:04

Reported

2022-12-28 15:06

Platform

win10v2004-20221111-en

Max time kernel

63s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe"

Signatures

BlackMatter Ransomware

ransomware blackmatter

Modifies extensions of user files

ransomware
Description Indicator Process Target
File opened for modification C:\Users\Admin\Pictures\ResetUnprotect.png.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\GetUnprotect.png.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\MoveSave.tif.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\OutBlock.tiff => C:\Users\Admin\Pictures\OutBlock.tiff.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\OutBlock.tiff.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\ResetUnprotect.png => C:\Users\Admin\Pictures\ResetUnprotect.png.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\GetUnprotect.png => C:\Users\Admin\Pictures\GetUnprotect.png.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\MoveSave.tif => C:\Users\Admin\Pictures\MoveSave.tif.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\OutBlock.tiff C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File renamed C:\Users\Admin\Pictures\TestMount.png => C:\Users\Admin\Pictures\TestMount.png.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
File opened for modification C:\Users\Admin\Pictures\TestMount.png.OpA4hYU4k C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\OpA4hYU4k.bmp" C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\OpA4hYU4k.bmp" C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Desktop\WallpaperStyle = "10" C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.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\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe

"C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 paymenthacks.com udp
N/A 103.224.212.222:443 paymenthacks.com tcp
N/A 8.8.8.8:53 ww25.paymenthacks.com udp
N/A 199.59.243.222:80 ww25.paymenthacks.com tcp
N/A 103.224.212.222:80 paymenthacks.com tcp
N/A 199.59.243.222:80 ww25.paymenthacks.com tcp
N/A 8.8.8.8:53 mojobiden.com udp
N/A 216.245.214.86:443 mojobiden.com tcp
N/A 8.8.8.8:53 survey-smiles.com udp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 216.245.214.86:80 mojobiden.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 103.224.212.222:443 paymenthacks.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 103.224.212.222:80 paymenthacks.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 216.245.214.86:443 mojobiden.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 216.245.214.86:80 mojobiden.com tcp
N/A 199.59.243.222:80 survey-smiles.com tcp
N/A 52.182.143.208:443 tcp
N/A 87.248.202.1:80 tcp
N/A 87.248.202.1:80 tcp
N/A 87.248.202.1:80 tcp
N/A 8.8.8.8:53 226.101.242.52.in-addr.arpa udp

Files

memory/4212-132-0x0000000000E30000-0x0000000000E47000-memory.dmp

memory/4212-133-0x0000000000E30000-0x0000000000E47000-memory.dmp