Malware Analysis Report

2024-11-13 14:20

Sample ID 240618-k9zz4axblc
Target bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118
SHA256 5e0b3550098aeaef4722fe9d3299c218e399fb9d379c04336d70bd1be58f61d1
Tags
agenttesla collection keylogger persistence spyware stealer trojan upx
score
10/10

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
10/10

SHA256

5e0b3550098aeaef4722fe9d3299c218e399fb9d379c04336d70bd1be58f61d1

Threat Level: Known bad

The file bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger persistence spyware stealer trojan upx

AgentTesla

AgentTesla payload

Reads data files stored by FTP clients

Reads WinSCP keys stored on the system

Reads user/profile data of local email clients

UPX packed file

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

outlook_office_path

outlook_win_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-18 09:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 09:18

Reported

2024-06-18 09:21

Platform

win7-20240611-en

Max time kernel

140s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_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
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

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
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\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A
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\bafcee0089e4fa1b3b772351cbb0cae1_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\bafcee0089e4fa1b3b772351cbb0cae1_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\JWkfT = "C:\\Users\\Admin\\AppData\\Roaming\\JWkfT\\JWkfT.exe" C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

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\bafcee0089e4fa1b3b772351cbb0cae1_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\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 104.26.13.205:443 api.ipify.org tcp

Files

memory/2124-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2124-1-0x0000000000360000-0x0000000000370000-memory.dmp

memory/2404-8-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2124-5-0x0000000000400000-0x00000000004B6000-memory.dmp

memory/2404-13-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2404-12-0x00000000002D0000-0x0000000000306000-memory.dmp

memory/2404-11-0x00000000002D0000-0x0000000000306000-memory.dmp

memory/2404-10-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2404-4-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2124-3-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/2124-2-0x0000000000360000-0x0000000000370000-memory.dmp

memory/2404-24-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2404-25-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2404-26-0x0000000000400000-0x000000000047A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 09:18

Reported

2024-06-18 09:21

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_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
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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JWkfT = "C:\\Users\\Admin\\AppData\\Roaming\\JWkfT\\JWkfT.exe" C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp

Files

memory/1540-0-0x0000000000790000-0x0000000000791000-memory.dmp

memory/1540-1-0x00000000022A0000-0x00000000022B0000-memory.dmp

memory/1668-3-0x0000000000400000-0x000000000047A000-memory.dmp

memory/1668-8-0x0000000000400000-0x000000000047A000-memory.dmp

memory/1668-11-0x0000000000850000-0x0000000000886000-memory.dmp

memory/1540-12-0x0000000000400000-0x00000000004B6000-memory.dmp

memory/1668-10-0x0000000000850000-0x0000000000886000-memory.dmp

memory/1540-7-0x0000000002310000-0x0000000002311000-memory.dmp

memory/1668-6-0x0000000000400000-0x000000000047A000-memory.dmp

memory/1668-5-0x0000000000400000-0x000000000047A000-memory.dmp

memory/1668-23-0x0000000000400000-0x000000000047A000-memory.dmp