Malware Analysis Report

2025-01-17 23:20

Sample ID 240603-qpnzzshc82
Target 91f22d924bce38519ecd0959ee7c4154_JaffaCakes118
SHA256 3927bd56539717bd19aec29fa349f19be7e0ed243376a5c89ce777e427bd8eda
Tags
score
3/10

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
3/10

SHA256

3927bd56539717bd19aec29fa349f19be7e0ed243376a5c89ce777e427bd8eda

Threat Level: Likely benign

The file 91f22d924bce38519ecd0959ee7c4154_JaffaCakes118 was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-03 13:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 13:26

Reported

2024-06-03 13:29

Platform

win7-20240221-en

Max time kernel

120s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91f22d924bce38519ecd0959ee7c4154_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2656 wrote to memory of 1744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 1744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 1744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 1744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 1744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 1744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 1744 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\91f22d924bce38519ecd0959ee7c4154_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91f22d924bce38519ecd0959ee7c4154_JaffaCakes118.dll,#1

Network

N/A

Files

memory/1744-0-0x0000000010000000-0x0000000010014000-memory.dmp

memory/1744-1-0x0000000010013000-0x0000000010014000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 13:26

Reported

2024-06-03 13:28

Platform

win10v2004-20240508-en

Max time kernel

129s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91f22d924bce38519ecd0959ee7c4154_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3848 wrote to memory of 4616 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3848 wrote to memory of 4616 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3848 wrote to memory of 4616 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\91f22d924bce38519ecd0959ee7c4154_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91f22d924bce38519ecd0959ee7c4154_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 216.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4616-0-0x0000000010000000-0x0000000010014000-memory.dmp