Malware Analysis Report

2025-08-06 00:45

Sample ID 240403-xlhr5aaa78
Target a3f7e5c2164d5386bb4161fc9e8e0881_JaffaCakes118
SHA256 9688972a550182710459937ac8beaf2648614e12b041729732c6c31503b1aff7
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

9688972a550182710459937ac8beaf2648614e12b041729732c6c31503b1aff7

Threat Level: Known bad

The file a3f7e5c2164d5386bb4161fc9e8e0881_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger spyware stealer trojan

AgentTesla

AgentTesla payload

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Checks computer location settings

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

outlook_win_path

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 18:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 18:56

Reported

2024-04-03 18:59

Platform

win7-20240220-en

Max time kernel

125s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Scan0020.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 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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1640 set thread context of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1640 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Windows\SysWOW64\schtasks.exe
PID 1640 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Windows\SysWOW64\schtasks.exe
PID 1640 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Windows\SysWOW64\schtasks.exe
PID 1640 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Windows\SysWOW64\schtasks.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe
PID 1640 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Scan0020.exe

"C:\Users\Admin\AppData\Local\Temp\Scan0020.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bsDYPzuh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA65D.tmp"

C:\Users\Admin\AppData\Local\Temp\Scan0020.exe

"C:\Users\Admin\AppData\Local\Temp\Scan0020.exe"

Network

N/A

Files

memory/1640-0-0x0000000000EB0000-0x0000000000F56000-memory.dmp

memory/1640-1-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/1640-2-0x0000000004D30000-0x0000000004D70000-memory.dmp

memory/1640-3-0x0000000000970000-0x0000000000988000-memory.dmp

memory/1640-4-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/1640-5-0x0000000004D30000-0x0000000004D70000-memory.dmp

memory/1640-6-0x0000000005020000-0x0000000005094000-memory.dmp

memory/2732-12-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2732-14-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2732-16-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2732-29-0x0000000004890000-0x00000000048D0000-memory.dmp

memory/2732-28-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/1640-27-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/2732-26-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2732-24-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2732-22-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2732-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2732-18-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2732-30-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/2732-31-0x0000000004890000-0x00000000048D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 18:56

Reported

2024-04-03 18:59

Platform

win10v2004-20240226-en

Max time kernel

116s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Scan0020.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

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-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4980 set thread context of 5036 N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe C:\Users\Admin\AppData\Local\Temp\Scan0020.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Scan0020.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Scan0020.exe

"C:\Users\Admin\AppData\Local\Temp\Scan0020.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bsDYPzuh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB98C.tmp"

C:\Users\Admin\AppData\Local\Temp\Scan0020.exe

"C:\Users\Admin\AppData\Local\Temp\Scan0020.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 213.122.19.2.in-addr.arpa udp
US 8.8.8.8:53 227.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/4980-0-0x0000000075280000-0x0000000075A30000-memory.dmp

memory/4980-1-0x00000000001B0000-0x0000000000256000-memory.dmp

memory/4980-2-0x00000000051F0000-0x0000000005794000-memory.dmp

memory/4980-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

memory/4980-4-0x0000000002690000-0x00000000026A0000-memory.dmp

memory/4980-5-0x0000000004C70000-0x0000000004C7A000-memory.dmp

memory/4980-6-0x0000000004CC0000-0x0000000004CDC000-memory.dmp

memory/4980-7-0x00000000051B0000-0x00000000051C8000-memory.dmp

memory/4980-8-0x0000000075280000-0x0000000075A30000-memory.dmp

memory/4980-9-0x0000000002690000-0x00000000026A0000-memory.dmp

memory/4980-10-0x00000000060C0000-0x000000000615C000-memory.dmp

memory/4980-11-0x0000000006190000-0x0000000006204000-memory.dmp

memory/5036-17-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Scan0020.exe.log

MD5 fbd5e75bae4e3d2db57a0f9b5ed0df97
SHA1 fcb87f79f8748e213d407b78f932f105f04c98e5
SHA256 d87a05d026303c360e84bf915b81bea3f8bc81edcb3a53cb1a64d3852f4e9367
SHA512 639c3c4d3e57113dda7c980d2f1752579701d5371a3170b5f65a6f21ab427e130b2a3ff226de3fbbea0041be6e476ae98714d4ab75a17e2988fa5974ffa1a803

memory/4980-21-0x0000000075280000-0x0000000075A30000-memory.dmp

memory/5036-20-0x0000000075280000-0x0000000075A30000-memory.dmp

memory/5036-22-0x0000000005570000-0x0000000005580000-memory.dmp

memory/5036-23-0x0000000005850000-0x0000000005868000-memory.dmp

memory/5036-24-0x00000000064F0000-0x0000000006556000-memory.dmp

memory/5036-25-0x0000000075280000-0x0000000075A30000-memory.dmp

memory/5036-26-0x0000000005570000-0x0000000005580000-memory.dmp

memory/5036-27-0x0000000006660000-0x00000000066B0000-memory.dmp