Malware Analysis Report

2024-09-09 12:57

Sample ID 240614-l66h5swcnf
Target a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118
SHA256 24992deb4acf093ebcf42ca0b4a0ce8f9676bb90d94d265b60633380b57e6ecf
Tags
collection evasion persistence spyware stealer trojan
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

24992deb4acf093ebcf42ca0b4a0ce8f9676bb90d94d265b60633380b57e6ecf

Threat Level: Shows suspicious behavior

The file a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection evasion persistence spyware stealer trojan

Reads user/profile data of local email clients

Reads data files stored by FTP clients

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Looks up external IP address via web service

Adds Run key to start application

Checks whether UAC is enabled

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

outlook_office_path

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 10:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 10:09

Reported

2024-06-14 10:12

Platform

win7-20240611-en

Max time kernel

148s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_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-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jack In The Box Inc = "C:\\Users\\Admin\\AppData\\Roaming\\Jack In The Box Inc\\Jack In The Box Inc.exe" C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_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\a9218b0746a14feea414fb4eccbcf6f1_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\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
PID 1844 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
US 193.122.130.0:80 checkip.dyndns.org tcp

Files

memory/1844-0-0x00000000740E1000-0x00000000740E2000-memory.dmp

memory/1844-1-0x00000000740E0000-0x000000007468B000-memory.dmp

memory/1844-2-0x00000000740E0000-0x000000007468B000-memory.dmp

memory/2924-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2924-19-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2924-17-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2924-15-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2924-11-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2924-9-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2924-7-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2924-5-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2924-22-0x00000000740E0000-0x000000007468B000-memory.dmp

memory/2924-21-0x00000000740E0000-0x000000007468B000-memory.dmp

memory/1844-20-0x00000000740E0000-0x000000007468B000-memory.dmp

memory/2924-23-0x00000000740E0000-0x000000007468B000-memory.dmp

memory/2924-24-0x00000000740E0000-0x000000007468B000-memory.dmp

memory/2924-25-0x00000000740E0000-0x000000007468B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 10:09

Reported

2024-06-14 10:12

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jack In The Box Inc = "C:\\Users\\Admin\\AppData\\Roaming\\Jack In The Box Inc\\Jack In The Box Inc.exe" C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 372 -ip 372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 80

Network

Files

memory/5100-0-0x0000000074B42000-0x0000000074B43000-memory.dmp

memory/5100-1-0x0000000074B40000-0x00000000750F1000-memory.dmp

memory/5100-2-0x0000000074B40000-0x00000000750F1000-memory.dmp

memory/5100-7-0x0000000074B40000-0x00000000750F1000-memory.dmp

memory/5100-8-0x0000000074B40000-0x00000000750F1000-memory.dmp