Malware Analysis Report

2025-01-18 18:27

Sample ID 241221-wp64fsvqav
Target JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786
SHA256 715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786
Tags
sodinokibi 10 472 discovery ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786

Threat Level: Known bad

The file JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786 was found to be: Known bad.

Malicious Activity Summary

sodinokibi 10 472 discovery ransomware

Sodin,Sodinokibi,REvil

Sodinokibi family

Sodinokibi/Revil sample

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-21 18:06

Signatures

Sodinokibi family

sodinokibi

Sodinokibi/Revil sample

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-21 18:06

Reported

2024-12-21 18:09

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786.dll,#1

Signatures

Sodin,Sodinokibi,REvil

ransomware sodinokibi

Sodinokibi family

sodinokibi

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3052 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2972 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\JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786.dll,#1

Network

N/A

Files

memory/2972-0-0x0000000000410000-0x0000000000491000-memory.dmp

memory/2972-3-0x0000000000130000-0x000000000015C000-memory.dmp

memory/2972-5-0x0000000000130000-0x000000000015C000-memory.dmp

memory/2972-2-0x0000000000130000-0x000000000015C000-memory.dmp

memory/2972-6-0x0000000000410000-0x0000000000491000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-21 18:06

Reported

2024-12-21 18:09

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786.dll,#1

Signatures

Sodin,Sodinokibi,REvil

ransomware sodinokibi

Sodinokibi family

sodinokibi

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3344 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3344 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3344 wrote to memory of 1728 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\JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_715e3ffc49539ad3a91994508eb7e02f8d1c3daa8961fd8562943f7276747786.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 21.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 134.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1728-2-0x00000000016B0000-0x00000000016DC000-memory.dmp

memory/1728-1-0x00000000016B0000-0x00000000016DC000-memory.dmp

memory/1728-4-0x00000000016B0000-0x00000000016DC000-memory.dmp

memory/1728-5-0x0000000000400000-0x0000000000481000-memory.dmp