Malware Analysis Report

2025-01-18 20:26

Sample ID 220130-jyhq1ahgh3
Target 0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc
SHA256 0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc
Tags
$2a$10$ectnyv3cirombznhol7m2.ivslhnrx4ipb75uscutttr57kulkl.i 4077 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc

Threat Level: Known bad

The file 0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc was found to be: Known bad.

Malicious Activity Summary

$2a$10$ectnyv3cirombznhol7m2.ivslhnrx4ipb75uscutttr57kulkl.i 4077 sodinokibi

Sodinokibi family

Enumerates connected drives

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-01-30 08:04

Signatures

Sodinokibi family

sodinokibi

Analysis: behavioral1

Detonation Overview

Submitted

2022-01-30 08:04

Reported

2022-01-30 13:33

Platform

win7-en-20211208

Max time kernel

117s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1660 wrote to memory of 1620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1660 wrote to memory of 1620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1660 wrote to memory of 1620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1660 wrote to memory of 1620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1660 wrote to memory of 1620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1660 wrote to memory of 1620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1660 wrote to memory of 1620 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\0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc.dll,#1

Network

N/A

Files

memory/1620-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-01-30 08:04

Reported

2022-01-30 13:33

Platform

win10-en-20211208

Max time kernel

122s

Max time network

176s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc.dll,#1

Signatures

Enumerates connected drives

Description Indicator Process Target
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) \??\X: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\A: 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) \??\Z: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\F: 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) \??\N: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\S: 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) \??\H: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\U: 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 2764 wrote to memory of 3672 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2764 wrote to memory of 3672 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2764 wrote to memory of 3672 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\0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ef43b9313ec6c602a44c4e514b44bfcad0d061f24a3584257e979a305addddc.dll,#1

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

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

Network

Country Destination Domain Proto
NL 52.109.88.177:443 tcp
US 72.21.81.240:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
JP 13.78.111.199:443 tcp
US 72.21.81.240:80 tcp
US 72.21.81.240:80 tcp
NL 52.109.88.44:443 tcp
US 52.109.12.20:443 tcp

Files

N/A