Malware Analysis Report

2025-01-19 05:03

Sample ID 240605-matedacg8v
Target 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118
SHA256 f1332073600660a4fe428ae27d87f47ca5d64fd00b6ba471176861462d914f28
Tags
agenttesla collection keylogger persistence spyware stealer trojan
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

f1332073600660a4fe428ae27d87f47ca5d64fd00b6ba471176861462d914f28

Threat Level: Known bad

The file 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger persistence spyware stealer trojan

AgentTesla

AgentTesla payload

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

Drops startup file

Looks up external IP address via web service

Adds Run key to start application

Accesses Microsoft Outlook profiles

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

outlook_win_path

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

outlook_office_path

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 10:16

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 10:16

Reported

2024-06-05 10:18

Platform

win7-20240508-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_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

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\igaGKoluPk.url C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyApp\\MyApp.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.amazonaws.com N/A N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1368 set thread context of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1368 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.amazonaws.com udp
IE 52.49.28.116:80 checkip.amazonaws.com tcp

Files

memory/2316-3-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2316-7-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2316-6-0x0000000000400000-0x000000000044E000-memory.dmp

memory/1368-8-0x00000000002A0000-0x0000000000434000-memory.dmp

memory/2316-9-0x0000000074312000-0x0000000074314000-memory.dmp

memory/1368-12-0x00000000002A0000-0x0000000000434000-memory.dmp

memory/2316-13-0x0000000074312000-0x0000000074314000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 10:16

Reported

2024-06-05 10:18

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\igaGKoluPk.url C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyApp\\MyApp.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.amazonaws.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4336 set thread context of 1552 N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.107.107:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 107.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 checkip.amazonaws.com udp
IE 52.49.28.116:80 checkip.amazonaws.com tcp
US 8.8.8.8:53 116.28.49.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4336-3-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/1552-4-0x0000000000400000-0x000000000044E000-memory.dmp

memory/1552-6-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/1552-5-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp