Malware Analysis Report

2025-08-06 02:47

Sample ID 241031-csbbeaxdpc
Target 812d65463c94917fd6deb8412cf8f077_JaffaCakes118
SHA256 dd25e2b04f687fadb772a66715789581648e8d959175e46a736aadb208d86af1
Tags
defense_evasion discovery persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

dd25e2b04f687fadb772a66715789581648e8d959175e46a736aadb208d86af1

Threat Level: Shows suspicious behavior

The file 812d65463c94917fd6deb8412cf8f077_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion discovery persistence

Deletes itself

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Indicator Removal: File Deletion

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 02:19

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 02:19

Reported

2024-10-31 03:18

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

139s

Command Line

C:\Windows\Explorer.EXE

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files\NetMeeting\ravmsmon.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ravmsmon = "C:\\Program Files\\NetMeeting\\ravmsmon.exe" C:\Program Files\NetMeeting\ravmsmon.exe N/A

Indicator Removal: File Deletion

defense_evasion

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\NetMeeting\ravmsmon.exe C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A
File created C:\Program Files\NetMeeting\ravmsmon.exe C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A
File opened for modification C:\Program Files\NetMeeting\ravmsmon.cfg C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A
File opened for modification C:\Program Files\NetMeeting\ravmsmon.dat C:\Program Files\NetMeeting\ravmsmon.exe N/A
File created C:\Program Files\NetMeeting\ravmsmon.dat C:\Program Files\NetMeeting\ravmsmon.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files\NetMeeting\ravmsmon.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files\NetMeeting\ravmsmon.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe"

C:\Program Files\NetMeeting\ravmsmon.exe

"C:\Program Files\NetMeeting\ravmsmon.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

C:\Program Files\NetMeeting\ravmsmon.exe

MD5 812d65463c94917fd6deb8412cf8f077
SHA1 b9b1f7c74c54412ce8b29ad638136e2c68958af4
SHA256 dd25e2b04f687fadb772a66715789581648e8d959175e46a736aadb208d86af1
SHA512 b21b6380bade37f2052bdc3e3b8f32d4be8d2f54f697330bdeb7abe83bc348403048bde8d35a2e35d801d52eca42ebf82cb039b526ea6be41225fa46665e4769

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 02:19

Reported

2024-10-31 03:19

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

C:\Windows\Explorer.EXE

Signatures

Deletes itself

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files\NetMeeting\ravmsmon.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ravmsmon = "C:\\Program Files\\NetMeeting\\ravmsmon.exe" C:\Program Files\NetMeeting\ravmsmon.exe N/A

Indicator Removal: File Deletion

defense_evasion

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\NetMeeting\ravmsmon.dat C:\Program Files\NetMeeting\ravmsmon.exe N/A
File created C:\Program Files\NetMeeting\ravmsmon.dat C:\Program Files\NetMeeting\ravmsmon.exe N/A
File opened for modification C:\Program Files\NetMeeting\ravmsmon.exe C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A
File created C:\Program Files\NetMeeting\ravmsmon.exe C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A
File opened for modification C:\Program Files\NetMeeting\ravmsmon.cfg C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files\NetMeeting\ravmsmon.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files\NetMeeting\ravmsmon.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe"

C:\Program Files\NetMeeting\ravmsmon.exe

"C:\Program Files\NetMeeting\ravmsmon.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe"

Network

N/A

Files

C:\Program Files\NetMeeting\ravmsmon.exe

MD5 812d65463c94917fd6deb8412cf8f077
SHA1 b9b1f7c74c54412ce8b29ad638136e2c68958af4
SHA256 dd25e2b04f687fadb772a66715789581648e8d959175e46a736aadb208d86af1
SHA512 b21b6380bade37f2052bdc3e3b8f32d4be8d2f54f697330bdeb7abe83bc348403048bde8d35a2e35d801d52eca42ebf82cb039b526ea6be41225fa46665e4769

memory/1112-16-0x0000000002540000-0x0000000002541000-memory.dmp