Malware Analysis Report

2025-08-05 19:10

Sample ID 240518-waze3afe72
Target 55ffe018217e8cdde891133f41a7b22d_JaffaCakes118
SHA256 5405b2fa05629ab2428d27fbca090291ec0c6aeac7db047f173389c78045e2a3
Tags
collection evasion spyware stealer trojan
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

5405b2fa05629ab2428d27fbca090291ec0c6aeac7db047f173389c78045e2a3

Threat Level: Shows suspicious behavior

The file 55ffe018217e8cdde891133f41a7b22d_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection evasion spyware stealer trojan

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 17:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 17:43

Reported

2024-05-18 17:46

Platform

win7-20240215-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe"

Signatures

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe
PID 2824 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp

Files

memory/2824-0-0x0000000074401000-0x0000000074402000-memory.dmp

memory/2824-1-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2824-2-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-3-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2260-7-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2260-13-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2260-17-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2260-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2260-15-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2260-5-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2824-19-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-20-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-21-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-18-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-9-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2260-22-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-23-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-24-0x0000000074400000-0x00000000749AB000-memory.dmp

memory/2260-25-0x0000000074400000-0x00000000749AB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 17:43

Reported

2024-05-18 17:46

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55ffe018217e8cdde891133f41a7b22d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 80

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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

Files

memory/4792-0-0x0000000075202000-0x0000000075203000-memory.dmp

memory/4792-1-0x0000000075200000-0x00000000757B1000-memory.dmp

memory/4792-2-0x0000000075200000-0x00000000757B1000-memory.dmp

memory/4792-5-0x0000000075200000-0x00000000757B1000-memory.dmp

memory/4792-6-0x0000000075200000-0x00000000757B1000-memory.dmp