Malware Analysis Report

2025-01-18 20:22

Sample ID 220128-vz466shbhj
Target a26e215a307069487644e70164a0cd8d69b40b0c
SHA256 9a289ae036b2fdac5cf0873095a3578cedc5323d27a9995a9651a5388bcd76f9
Tags
sodinokibi
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 Overview

score
10/10

SHA256

9a289ae036b2fdac5cf0873095a3578cedc5323d27a9995a9651a5388bcd76f9

Threat Level: Known bad

The file a26e215a307069487644e70164a0cd8d69b40b0c was found to be: Known bad.

Malicious Activity Summary

sodinokibi

Sodinokibi/Revil sample

Sodinokibi family

Suspicious use of NtCreateProcessExOtherParentProcess

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of WriteProcessMemory

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-01-28 17:26

Signatures

Sodinokibi family

sodinokibi

Sodinokibi/Revil sample

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-01-28 17:26

Reported

2022-01-28 17:29

Platform

win10v2004-en-20220113

Max time kernel

60s

Max time network

89s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a26e215a307069487644e70164a0cd8d69b40b0c.exe"

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess

Description Indicator Process Target
PID 2384 created 1332 N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\a26e215a307069487644e70164a0cd8d69b40b0c.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\SysWOW64\WerFault.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\SysWOW64\WerFault.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\WerFault.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\SysWOW64\WerFault.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a26e215a307069487644e70164a0cd8d69b40b0c.exe

"C:\Users\Admin\AppData\Local\Temp\a26e215a307069487644e70164a0cd8d69b40b0c.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1332 -ip 1332

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 224

Network

Country Destination Domain Proto
NL 104.110.191.133:80 tcp

Files

N/A