Malware Analysis Report

2025-01-22 12:45

Sample ID 240622-yjyk8sweqn
Target 03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118
SHA256 3f738c3622d3ced86ebd53b961500f72290fac678873fae6ce05e2d82182387e
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

3f738c3622d3ced86ebd53b961500f72290fac678873fae6ce05e2d82182387e

Threat Level: Shows suspicious behavior

The file 03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-22 19:49

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 19:49

Reported

2024-06-22 19:52

Platform

win7-20240611-en

Max time kernel

118s

Max time network

119s

Command Line

C:\Windows\Explorer.EXE

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2644 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 1848 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 1848 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 1848 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 1848 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe

Network

N/A

Files

memory/2644-1-0x0000000000400000-0x000000000049E000-memory.dmp

memory/2644-0-0x0000000000400000-0x000000000049E000-memory.dmp

memory/2644-2-0x0000000000401000-0x000000000047B000-memory.dmp

memory/1848-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1848-7-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2644-11-0x0000000000400000-0x000000000049E000-memory.dmp

memory/1848-9-0x0000000000400000-0x0000000000408960-memory.dmp

memory/2644-8-0x00000000025D0000-0x000000000266E000-memory.dmp

memory/1336-12-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

memory/1336-15-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 19:49

Reported

2024-06-22 19:52

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

150s

Command Line

C:\Windows\Explorer.EXE

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2700 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2700 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2700 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2700 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2700 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2700 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 2700 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe
PID 1404 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 1404 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 1404 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 1404 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\03b539f73b4bae9bf69570d8d7f09ff8_JaffaCakes118.exe

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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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
US 8.8.8.8:53 udp

Files

memory/2700-1-0x0000000000400000-0x000000000049E000-memory.dmp

memory/2700-0-0x0000000000400000-0x000000000049E000-memory.dmp

memory/2700-3-0x0000000000401000-0x000000000047B000-memory.dmp

memory/1404-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1404-7-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2700-10-0x0000000000400000-0x000000000049E000-memory.dmp

memory/1404-8-0x0000000000400000-0x0000000000408960-memory.dmp

memory/3360-11-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

memory/3360-12-0x000000007FFD0000-0x000000007FFD1000-memory.dmp