Malware Analysis Report

2025-08-06 00:44

Sample ID 240403-xf1ezshd7y
Target a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118
SHA256 b5ddeb43afd6bc4075b950d215095d71ab3ba09094d54f979ce9de91df915834
Tags
agenttesla collection keylogger 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

b5ddeb43afd6bc4075b950d215095d71ab3ba09094d54f979ce9de91df915834

Threat Level: Known bad

The file a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger spyware stealer trojan

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

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 18:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 18:48

Reported

2024-04-03 18:51

Platform

win7-20240319-en

Max time kernel

142s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_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

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-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 1796 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"

Network

N/A

Files

memory/1796-0-0x0000000000E80000-0x0000000000F18000-memory.dmp

memory/1796-1-0x0000000074890000-0x0000000074F7E000-memory.dmp

memory/1796-2-0x0000000004720000-0x0000000004760000-memory.dmp

memory/1796-3-0x00000000004A0000-0x00000000004B8000-memory.dmp

memory/1796-4-0x0000000074890000-0x0000000074F7E000-memory.dmp

memory/1796-5-0x0000000004720000-0x0000000004760000-memory.dmp

memory/1796-6-0x0000000005CB0000-0x0000000005D22000-memory.dmp

memory/1988-10-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1988-9-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1988-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1988-7-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1988-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1988-13-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1988-15-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1988-17-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1988-19-0x0000000074890000-0x0000000074F7E000-memory.dmp

memory/1796-21-0x0000000074890000-0x0000000074F7E000-memory.dmp

memory/1988-20-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

memory/1988-22-0x0000000074890000-0x0000000074F7E000-memory.dmp

memory/1988-23-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

memory/1988-24-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

memory/1988-25-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 18:48

Reported

2024-04-03 18:51

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

Description Indicator Process Target
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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
PID 3004 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 147.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 84.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 175.117.168.52.in-addr.arpa udp

Files

memory/3004-1-0x0000000074A90000-0x0000000075240000-memory.dmp

memory/3004-0-0x0000000000FF0000-0x0000000001088000-memory.dmp

memory/3004-2-0x0000000006080000-0x0000000006624000-memory.dmp

memory/3004-3-0x0000000005A20000-0x0000000005AB2000-memory.dmp

memory/3004-4-0x0000000005C80000-0x0000000005C90000-memory.dmp

memory/3004-5-0x0000000005B10000-0x0000000005B1A000-memory.dmp

memory/3004-6-0x0000000005B40000-0x0000000005B5C000-memory.dmp

memory/3004-7-0x0000000005C30000-0x0000000005C48000-memory.dmp

memory/3004-8-0x0000000074A90000-0x0000000075240000-memory.dmp

memory/3004-9-0x0000000005C80000-0x0000000005C90000-memory.dmp

memory/3004-10-0x0000000008710000-0x00000000087AC000-memory.dmp

memory/3004-11-0x00000000088C0000-0x0000000008932000-memory.dmp

memory/1128-12-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe.log

MD5 fbd5e75bae4e3d2db57a0f9b5ed0df97
SHA1 fcb87f79f8748e213d407b78f932f105f04c98e5
SHA256 d87a05d026303c360e84bf915b81bea3f8bc81edcb3a53cb1a64d3852f4e9367
SHA512 639c3c4d3e57113dda7c980d2f1752579701d5371a3170b5f65a6f21ab427e130b2a3ff226de3fbbea0041be6e476ae98714d4ab75a17e2988fa5974ffa1a803

memory/1128-16-0x0000000074A90000-0x0000000075240000-memory.dmp

memory/3004-15-0x0000000074A90000-0x0000000075240000-memory.dmp

memory/1128-17-0x0000000005380000-0x0000000005390000-memory.dmp

memory/1128-18-0x0000000005390000-0x00000000053A8000-memory.dmp

memory/1128-19-0x0000000006220000-0x0000000006286000-memory.dmp

memory/1128-20-0x0000000074A90000-0x0000000075240000-memory.dmp

memory/1128-21-0x0000000005380000-0x0000000005390000-memory.dmp

memory/1128-22-0x0000000006790000-0x00000000067E0000-memory.dmp

memory/1128-23-0x0000000005380000-0x0000000005390000-memory.dmp

memory/1128-24-0x0000000005380000-0x0000000005390000-memory.dmp