Malware Analysis Report

2025-01-18 19:47

Sample ID 220124-bg25bahcaj
Target c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95
SHA256 c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95
Tags
sodinokibi ransomware $2a$10$hbdjhwmcp8fshlkjdhbsoogvctdtrwjin9mrbnojyapvairnunbio 5357
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

c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95

Threat Level: Known bad

The file c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95 was found to be: Known bad.

Malicious Activity Summary

sodinokibi ransomware $2a$10$hbdjhwmcp8fshlkjdhbsoogvctdtrwjin9mrbnojyapvairnunbio 5357

Sodinokibi family

Sodin,Sodinokibi,REvil

Enumerates connected drives

Drops file in Program Files directory

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-01-24 01:07

Signatures

Sodinokibi family

sodinokibi

Analysis: behavioral1

Detonation Overview

Submitted

2022-01-24 01:07

Reported

2022-01-24 01:24

Platform

win7-en-20211208

Max time kernel

117s

Max time network

117s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95.dll,#1

Signatures

Sodin,Sodinokibi,REvil

ransomware sodinokibi

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\I: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\A: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\F: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification \??\c:\program files\InitializeUndo.svg C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\SwitchImport.i64 C:\Windows\SysWOW64\rundll32.exe N/A
File created \??\c:\program files (x86)\microsoft sql server compact edition\vqh597u-readme.txt C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\RedoStop.eps C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\RenameBackup.jpe C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\SubmitComplete.php C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\UnregisterConfirm.jpe C:\Windows\SysWOW64\rundll32.exe N/A
File created \??\c:\program files (x86)\vqh597u-readme.txt C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\CloseBackup.xps C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\ConvertFromOut.pptx C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\EditUse.cr2 C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\UnregisterDisable.otf C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\SendProtect.wmf C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\ShowMount.AAC C:\Windows\SysWOW64\rundll32.exe N/A
File created \??\c:\program files\vqh597u-readme.txt C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\LockSplit.mpv2 C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\PushMerge.crw C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\RedoRevoke.xls C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\ClearUnpublish.3gp C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification \??\c:\program files\TraceProtect.mpe C:\Windows\SysWOW64\rundll32.exe N/A
File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\vqh597u-readme.txt C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\rundll32.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:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95.dll,#1

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

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

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

N/A

Files

memory/780-55-0x0000000076B81000-0x0000000076B83000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-01-24 01:07

Reported

2022-01-24 01:24

Platform

win10-en-20211208

Max time kernel

73s

Max time network

129s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95.dll,#1

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\F: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\A: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3672 wrote to memory of 3200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3672 wrote to memory of 3200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3672 wrote to memory of 3200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3aeefb9c2496dc0480e09a71615ec59750a993e4ead901e8afde27807023e95.dll,#1

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

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

Network

Country Destination Domain Proto
US 52.109.8.19:443 tcp

Files

N/A