Malware Analysis Report

2025-01-19 04:52

Sample ID 240618-narq8a1cje
Target bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118
SHA256 88c75fd964efea44799852990fdb11065f5ada90f232307cb1056277a7845f87
Tags
collection persistence spyware stealer
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

88c75fd964efea44799852990fdb11065f5ada90f232307cb1056277a7845f87

Threat Level: Shows suspicious behavior

The file bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection persistence spyware stealer

Reads WinSCP keys stored on the system

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Looks up external IP address via web service

Adds Run key to start application

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-18 11:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 11:11

Reported

2024-06-18 11:14

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\MBNA Corporation = "C:\\Users\\Admin\\AppData\\Roaming\\MBNA Corporation\\MBNA Corporation.exe" C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_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\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe
PID 1720 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp

Files

memory/1720-0-0x00000000743E1000-0x00000000743E2000-memory.dmp

memory/1720-1-0x00000000743E0000-0x000000007498B000-memory.dmp

memory/1720-2-0x00000000743E0000-0x000000007498B000-memory.dmp

memory/2872-11-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2872-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2872-8-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2872-7-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2872-5-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2872-3-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2872-13-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2872-17-0x00000000743E0000-0x000000007498B000-memory.dmp

memory/1720-16-0x00000000743E0000-0x000000007498B000-memory.dmp

memory/2872-15-0x0000000000400000-0x0000000000436000-memory.dmp

memory/1720-18-0x00000000743E0000-0x000000007498B000-memory.dmp

memory/2872-19-0x00000000743E0000-0x000000007498B000-memory.dmp

memory/2872-22-0x00000000743E0000-0x000000007498B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 11:11

Reported

2024-06-18 11:14

Platform

win10v2004-20240611-en

Max time kernel

93s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bb9f9a97b49c81e5835b03fa2675f589_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3412 -ip 3412

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 80

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp

Files

memory/2460-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

memory/2460-1-0x0000000074A90000-0x0000000075041000-memory.dmp

memory/2460-2-0x0000000074A90000-0x0000000075041000-memory.dmp

memory/2460-5-0x0000000074A90000-0x0000000075041000-memory.dmp

memory/2460-6-0x0000000074A90000-0x0000000075041000-memory.dmp