Malware Analysis Report

2025-01-18 00:06

Sample ID 240603-tc8qeabe7s
Target 925935053f47f7ed1feb355c423d369a_JaffaCakes118
SHA256 ed26c65f8c9e93c56228086bc5e12bd21e054478af737485e26a97ad30595fd9
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

ed26c65f8c9e93c56228086bc5e12bd21e054478af737485e26a97ad30595fd9

Threat Level: Likely benign

The file 925935053f47f7ed1feb355c423d369a_JaffaCakes118 was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-03 15:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 15:55

Reported

2024-06-03 15:58

Platform

win7-20240508-en

Max time kernel

140s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\925935053f47f7ed1feb355c423d369a_JaffaCakes118.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\925935053f47f7ed1feb355c423d369a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\925935053f47f7ed1feb355c423d369a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 244

Network

N/A

Files

memory/1956-0-0x00000000001D0000-0x0000000000240000-memory.dmp

memory/1956-1-0x00000000001D0000-0x0000000000240000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 15:55

Reported

2024-06-03 15:58

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\925935053f47f7ed1feb355c423d369a_JaffaCakes118.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2284 wrote to memory of 1060 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2284 wrote to memory of 1060 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2284 wrote to memory of 1060 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\925935053f47f7ed1feb355c423d369a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\925935053f47f7ed1feb355c423d369a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1060 -ip 1060

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3640,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=2668 /prefetch:8

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 114.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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/1060-0-0x0000000000010000-0x0000000000080000-memory.dmp