Malware Analysis Report

2024-07-28 11:29

Sample ID 240613-k6z6pasdne
Target a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118
SHA256 526e54c2d4df261cd072a34bc160cba3041f779b170df4bef59ef4c50933ac24
Tags
collection persistence spyware stealer
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

526e54c2d4df261cd072a34bc160cba3041f779b170df4bef59ef4c50933ac24

Threat Level: Shows suspicious behavior

The file a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection persistence spyware stealer

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Reads WinSCP keys stored on the system

Looks up external IP address via web service

Adds Run key to start application

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Credentials in Registry
T1552.002
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Email Collection
T1114
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-13 09:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 09:13

Reported

2024-06-13 09:16

Platform

win7-20240611-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_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-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\KB Home = "C:\\Users\\Admin\\AppData\\Roaming\\KB Home\\KB Home.exe" C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_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 SetThreadContext

Description Indicator Process Target
PID 2132 set thread context of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 2132 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_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/2132-0-0x0000000074371000-0x0000000074372000-memory.dmp

memory/2132-1-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2132-2-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2132-4-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2132-3-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2636-5-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2636-9-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2636-7-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2636-21-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2132-23-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2636-22-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2636-19-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2636-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2636-14-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2636-12-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2636-24-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2636-26-0x0000000074370000-0x000000007491B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 09:13

Reported

2024-06-13 09:16

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

104s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_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-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KB Home = "C:\\Users\\Admin\\AppData\\Roaming\\KB Home\\KB Home.exe" C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_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 SetThreadContext

Description Indicator Process Target
PID 1880 set thread context of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe
PID 1880 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4cc0c8e4395f8ad225855fb291d3aa9_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 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 131.253.33.237:443 g.bing.com tcp
NL 23.62.61.170:443 www.bing.com tcp
US 8.8.8.8:53 237.33.253.131.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
US 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 170.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 0.130.122.193.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/1880-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

memory/1880-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/1880-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/1880-3-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/1880-4-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/4232-5-0x0000000000400000-0x0000000000436000-memory.dmp

memory/4232-7-0x0000000000400000-0x0000000000436000-memory.dmp

memory/4232-6-0x0000000000400000-0x0000000000436000-memory.dmp

memory/4232-9-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/4232-10-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/4232-11-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/1880-13-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/4232-14-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/4232-16-0x0000000074EF0000-0x00000000754A1000-memory.dmp

memory/4232-17-0x0000000074EF0000-0x00000000754A1000-memory.dmp