Malware Analysis Report

2025-01-22 12:41

Sample ID 240622-182eja1djk
Target 041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118
SHA256 1a6c42034ae89fef2ad9bd38877e36c032e1759acddb0da81b43f0f268e1369d
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

1a6c42034ae89fef2ad9bd38877e36c032e1759acddb0da81b43f0f268e1369d

Threat Level: Shows suspicious behavior

The file 041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-22 22:20

Signatures

ASPack v2.12-2.42

aspackv2
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: behavioral2

Detonation Overview

Submitted

2024-06-22 22:20

Reported

2024-06-22 22:22

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 824 wrote to memory of 3800 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 824 wrote to memory of 3800 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 824 wrote to memory of 3800 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\041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118.dll,#1

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 --mojo-platform-channel-handle=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
GB 23.44.234.16:80 tcp
US 8.8.8.8:53 95.221.229.192.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 56.126.166.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp

Files

memory/3800-0-0x0000000000B30000-0x0000000000BD0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 22:20

Reported

2024-06-22 22:22

Platform

win7-20240508-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1940 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 1708 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\041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\041bd27110fc3ea5aa4c37e3a3cc77a2_JaffaCakes118.dll,#1

Network

N/A

Files

memory/1708-1-0x0000000000A10000-0x0000000000AB0000-memory.dmp

memory/1708-0-0x0000000000A10000-0x0000000000AB0000-memory.dmp

memory/1708-2-0x0000000000A10000-0x0000000000AB0000-memory.dmp