Malware Analysis Report

2024-09-09 13:19

Sample ID 240612-3jm7qavfpc
Target a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118
SHA256 a6d47a142ce8ca991f9090ff981c4a4c5a021030fcc9610a582ecb8c96b607bd
Tags
agenttesla collection keylogger persistence spyware stealer trojan upx
score
10/10

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
10/10

SHA256

a6d47a142ce8ca991f9090ff981c4a4c5a021030fcc9610a582ecb8c96b607bd

Threat Level: Known bad

The file a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger persistence spyware stealer trojan upx

AgentTesla

AgentTesla payload

Reads user/profile data of local email clients

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

UPX packed file

Reads user/profile data of web browsers

Adds Run key to start application

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious behavior: MapViewOfSection

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-12 23:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 23:32

Reported

2024-06-12 23:35

Platform

win7-20240221-en

Max time kernel

142s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\endy = "C:\\Users\\Admin\\AppData\\Local\\Temp\\endy\\endy.exe" C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"

Network

N/A

Files

memory/1948-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1948-1-0x00000000002E0000-0x00000000002EF000-memory.dmp

memory/1948-2-0x00000000002E0000-0x00000000002EF000-memory.dmp

memory/1732-3-0x0000000000400000-0x0000000000484000-memory.dmp

memory/1732-12-0x0000000000400000-0x0000000000484000-memory.dmp

memory/1732-11-0x0000000000400000-0x0000000000484000-memory.dmp

memory/1732-10-0x00000000002A0000-0x00000000002DC000-memory.dmp

memory/1732-9-0x00000000002A0000-0x00000000002DC000-memory.dmp

memory/1732-8-0x0000000000400000-0x0000000000484000-memory.dmp

memory/1732-7-0x0000000000400000-0x0000000000484000-memory.dmp

memory/1732-6-0x0000000000400000-0x0000000000484000-memory.dmp

memory/1948-4-0x0000000000400000-0x000000000049F000-memory.dmp

memory/1732-23-0x0000000000400000-0x0000000000484000-memory.dmp

memory/1732-24-0x0000000000400000-0x0000000000484000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 23:32

Reported

2024-06-12 23:35

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

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

UPX packed file

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\endy = "C:\\Users\\Admin\\AppData\\Local\\Temp\\endy\\endy.exe" C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"

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
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 9.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp

Files

memory/4572-0-0x0000000000830000-0x0000000000831000-memory.dmp

memory/4572-2-0x0000000002120000-0x000000000212F000-memory.dmp

memory/4572-1-0x0000000002120000-0x000000000212F000-memory.dmp

memory/4572-3-0x0000000002260000-0x0000000002261000-memory.dmp

memory/2740-7-0x0000000000400000-0x0000000000484000-memory.dmp

memory/2740-10-0x0000000000760000-0x000000000079C000-memory.dmp

memory/2740-12-0x0000000000400000-0x0000000000484000-memory.dmp

memory/4572-11-0x0000000000400000-0x000000000049F000-memory.dmp

memory/2740-9-0x0000000000760000-0x000000000079C000-memory.dmp

memory/2740-6-0x0000000000400000-0x0000000000484000-memory.dmp

memory/2740-8-0x0000000000400000-0x0000000000484000-memory.dmp

memory/2740-5-0x0000000000400000-0x0000000000484000-memory.dmp

memory/2740-23-0x0000000000400000-0x0000000000484000-memory.dmp

memory/2740-25-0x0000000000400000-0x0000000000484000-memory.dmp

memory/2740-24-0x0000000000400000-0x0000000000484000-memory.dmp