Malware Analysis Report

2025-06-16 06:37

Sample ID 240825-l7e3ks1alq
Target c082273582a8c4a118302519b57fb71c_JaffaCakes118
SHA256 81c0050c6d3ab6f22d738e544d8acdeef8350db9a6b155d368795b12a1fa4cb6
Tags
upx discovery
score
7/10

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
7/10

SHA256

81c0050c6d3ab6f22d738e544d8acdeef8350db9a6b155d368795b12a1fa4cb6

Threat Level: Shows suspicious behavior

The file c082273582a8c4a118302519b57fb71c_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

ACProtect 1.3x - 1.4x DLL software

UPX packed file

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 10:10

Signatures

ACProtect 1.3x - 1.4x DLL software

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

UPX packed file

upx
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

2024-08-25 10:10

Reported

2024-08-25 10:12

Platform

win7-20240708-en

Max time kernel

141s

Max time network

123s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c082273582a8c4a118302519b57fb71c_JaffaCakes118.dll

Signatures

UPX packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\regsvr32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c082273582a8c4a118302519b57fb71c_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c082273582a8c4a118302519b57fb71c_JaffaCakes118.dll

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 320

Network

N/A

Files

memory/2640-0-0x0000000000190000-0x00000000001C6000-memory.dmp

memory/2640-1-0x00000000001F0000-0x0000000000226000-memory.dmp

memory/2640-3-0x0000000000190000-0x00000000001C6000-memory.dmp

memory/2640-4-0x0000000002610000-0x0000000002720000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 10:10

Reported

2024-08-25 10:12

Platform

win10v2004-20240802-en

Max time kernel

135s

Max time network

138s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c082273582a8c4a118302519b57fb71c_JaffaCakes118.dll

Signatures

UPX packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\regsvr32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3428 wrote to memory of 700 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3428 wrote to memory of 700 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3428 wrote to memory of 700 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c082273582a8c4a118302519b57fb71c_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c082273582a8c4a118302519b57fb71c_JaffaCakes118.dll

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 700 -ip 700

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 656

Network

Country Destination Domain Proto
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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/700-0-0x0000000000400000-0x0000000000436000-memory.dmp

memory/700-1-0x0000000000400000-0x0000000000436000-memory.dmp