Malware Analysis Report

2025-01-18 20:08

Sample ID 220124-bgxjtshcd4
Target c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b
SHA256 c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b
Tags
sodinokibi
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b

Threat Level: Known bad

The file c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b was found to be: Known bad.

Malicious Activity Summary

sodinokibi

Sodinokibi family

Sodinokibi/Revil sample

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-01-24 01:07

Signatures

Sodinokibi family

sodinokibi

Sodinokibi/Revil sample

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-01-24 01:07

Reported

2022-01-24 01:24

Platform

win7-en-20211208

Max time kernel

120s

Max time network

131s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b.dll,#1

Signatures

Program crash

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

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
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 196

Network

N/A

Files

memory/976-54-0x0000000075D51000-0x0000000075D53000-memory.dmp

memory/1296-56-0x0000000001E90000-0x0000000001E91000-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

153s

Max time network

156s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b.dll,#1

Signatures

Program crash

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

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
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3140 wrote to memory of 2728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3140 wrote to memory of 2728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3140 wrote to memory of 2728 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\c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c430fb39fa7164e05f4a6ab065be195c5b97868c7e6f05d6363046b2f767f85b.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 600

Network

Country Destination Domain Proto
US 8.8.8.8:53 oneocsp.microsoft.com udp
US 204.79.197.203:80 oneocsp.microsoft.com tcp

Files

N/A