Malware Analysis Report

2025-01-22 12:40

Sample ID 240622-xt8nhsvclk
Target 038bd0db0f40fe64418b76fc04020f6c_JaffaCakes118
SHA256 35d247b2b2bf67b825968ee9a7eba66be80bb7b98b1481b49089f38632a09d5d
Tags
aspackv2
score
7/10

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
7/10

SHA256

35d247b2b2bf67b825968ee9a7eba66be80bb7b98b1481b49089f38632a09d5d

Threat Level: Shows suspicious behavior

The file 038bd0db0f40fe64418b76fc04020f6c_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 19:09

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: behavioral1

Detonation Overview

Submitted

2024-06-22 19:09

Reported

2024-06-22 19:12

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\038bd0db0f40fe64418b76fc04020f6c_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2220 wrote to memory of 1564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1564 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\038bd0db0f40fe64418b76fc04020f6c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\038bd0db0f40fe64418b76fc04020f6c_JaffaCakes118.dll,#1

Network

N/A

Files

memory/1564-0-0x0000000074D30000-0x0000000074D75000-memory.dmp

memory/1564-1-0x0000000074CE0000-0x0000000074D25000-memory.dmp

memory/1564-3-0x0000000074CD0000-0x0000000074D15000-memory.dmp

memory/1564-2-0x0000000074D30000-0x0000000074D75000-memory.dmp

memory/1564-4-0x0000000074CE0000-0x0000000074CF3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 19:09

Reported

2024-06-22 19:12

Platform

win10v2004-20240611-en

Max time kernel

136s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\038bd0db0f40fe64418b76fc04020f6c_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 956 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 956 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 956 wrote to memory of 1508 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\038bd0db0f40fe64418b76fc04020f6c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\038bd0db0f40fe64418b76fc04020f6c_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1508-0-0x0000000075670000-0x00000000756B5000-memory.dmp