Malware Analysis Report

2025-04-14 03:38

Sample ID 240612-s67jrsthqq
Target a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118
SHA256 4df4435707894fd5fa8c33c3d1e823327e46b25fd31fe7ce7ddfe3f657db0e95
Tags
score
6/10

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
6/10

SHA256

4df4435707894fd5fa8c33c3d1e823327e46b25fd31fe7ce7ddfe3f657db0e95

Threat Level: Shows suspicious behavior

The file a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary


Looks up external IP address via web service

Suspicious use of SetThreadContext

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 15:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 15:45

Reported

2024-06-12 15:47

Platform

win7-20240611-en

Max time kernel

119s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe"

Signatures

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1244 set thread context of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1244 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1244 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1244 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1244 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1268

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.ecb.int udp
DE 80.90.16.91:80 www.ecb.int tcp
DE 80.90.16.91:443 www.ecb.int tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 anubiscode.fun udp

Files

memory/1244-0-0x000000007498E000-0x000000007498F000-memory.dmp

memory/1244-1-0x0000000000020000-0x00000000000BC000-memory.dmp

memory/1244-2-0x00000000003D0000-0x00000000003FE000-memory.dmp

memory/1244-3-0x0000000074980000-0x000000007506E000-memory.dmp

memory/1244-4-0x0000000000450000-0x0000000000480000-memory.dmp

memory/1244-5-0x00000000004A0000-0x00000000004B8000-memory.dmp

memory/1244-6-0x00000000007D0000-0x00000000007D6000-memory.dmp

memory/2696-7-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2696-9-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2696-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2696-12-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2696-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2696-15-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2696-17-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2696-19-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2696-20-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2696-25-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2696-73-0x0000000074980000-0x000000007506E000-memory.dmp

memory/1244-74-0x000000007498E000-0x000000007498F000-memory.dmp

memory/1244-75-0x0000000074980000-0x000000007506E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 15:45

Reported

2024-06-12 15:47

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe"

Signatures

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1252 set thread context of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1252 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a1342638faf0b961c88f552dc5dc6faf_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1252 -ip 1252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 1764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1176 -ip 1176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 1996

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.ecb.int udp
US 8.8.8.8:53 ip-api.com udp

Files

memory/1252-0-0x000000007480E000-0x000000007480F000-memory.dmp

memory/1252-1-0x0000000000860000-0x00000000008FC000-memory.dmp

memory/1252-2-0x00000000053C0000-0x0000000005714000-memory.dmp

memory/1252-3-0x00000000052F0000-0x000000000538C000-memory.dmp

memory/1252-4-0x0000000002EA0000-0x0000000002ECE000-memory.dmp

memory/1252-5-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/1252-6-0x00000000052C0000-0x00000000052F0000-memory.dmp

memory/1252-7-0x000000000A320000-0x000000000A8C4000-memory.dmp

memory/1252-8-0x0000000009F10000-0x0000000009FA2000-memory.dmp

memory/1252-9-0x0000000005990000-0x00000000059A8000-memory.dmp

memory/1252-10-0x00000000059A0000-0x00000000059A6000-memory.dmp

memory/1252-11-0x0000000006600000-0x0000000006622000-memory.dmp

memory/1176-12-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1176-13-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/1176-14-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/1176-26-0x0000000005710000-0x0000000005776000-memory.dmp

memory/1176-32-0x0000000006330000-0x0000000006380000-memory.dmp

memory/1176-53-0x0000000006320000-0x000000000632A000-memory.dmp

memory/1252-54-0x000000007480E000-0x000000007480F000-memory.dmp

memory/1252-55-0x0000000074800000-0x0000000074FB0000-memory.dmp

memory/1176-56-0x0000000074800000-0x0000000074FB0000-memory.dmp