Malware Analysis Report

2025-03-15 04:39

Sample ID 241027-1hhjqs1kct
Target 761052a7a58747a3bf71830b289b180b_JaffaCakes118
SHA256 638a54444450f755043099f36b6c3d143e18557ccd328b73b3d1ef988353b5f3
Tags
agenttesla collection credential_access discovery 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

638a54444450f755043099f36b6c3d143e18557ccd328b73b3d1ef988353b5f3

Threat Level: Known bad

The file 761052a7a58747a3bf71830b289b180b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

AgentTesla

Agenttesla family

AgentTesla payload

Unsecured Credentials: Credentials In Files

Reads user/profile data of local email clients

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads WinSCP keys stored on the system

Accesses Microsoft Outlook profiles

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

outlook_win_path

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 21:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 21:38

Reported

2024-10-27 21:41

Platform

win7-20241010-en

Max time kernel

147s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

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

Unsecured Credentials: Credentials In Files

credential_access stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Trend = "C:\\Users\\Admin\\AppData\\Roaming\\Trend\\Trend.exe" C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 2376 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe"

Network

N/A

Files

memory/2376-0-0x000000007447E000-0x000000007447F000-memory.dmp

memory/2376-1-0x0000000001020000-0x00000000010FA000-memory.dmp

memory/2376-2-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2376-3-0x00000000001D0000-0x00000000001E6000-memory.dmp

memory/2376-4-0x000000007447E000-0x000000007447F000-memory.dmp

memory/2376-5-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2376-6-0x0000000005550000-0x00000000055F2000-memory.dmp

memory/2376-7-0x0000000000CB0000-0x0000000000CEC000-memory.dmp

memory/2900-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2900-16-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2900-14-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2900-19-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2900-18-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2900-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2900-11-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2900-10-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2900-9-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2376-20-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2900-21-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2900-22-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2900-23-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2900-25-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2900-26-0x0000000074470000-0x0000000074B5E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 21:38

Reported

2024-10-27 21:42

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

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

Unsecured Credentials: Credentials In Files

credential_access stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Trend = "C:\\Users\\Admin\\AppData\\Roaming\\Trend\\Trend.exe" C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe
PID 3900 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3900-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

memory/3900-1-0x00000000002A0000-0x000000000037A000-memory.dmp

memory/3900-2-0x0000000005340000-0x00000000058E4000-memory.dmp

memory/3900-3-0x0000000004C40000-0x0000000004CD2000-memory.dmp

memory/3900-4-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

memory/3900-5-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/3900-6-0x0000000004C00000-0x0000000004C0A000-memory.dmp

memory/3900-7-0x0000000005E00000-0x0000000005E16000-memory.dmp

memory/3900-8-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

memory/3900-9-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/3900-10-0x0000000006730000-0x00000000067D2000-memory.dmp

memory/3900-11-0x0000000008D70000-0x0000000008DAC000-memory.dmp

memory/2736-12-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\761052a7a58747a3bf71830b289b180b_JaffaCakes118.exe.log

MD5 84e77a587d94307c0ac1357eb4d3d46f
SHA1 83cc900f9401f43d181207d64c5adba7a85edc1e
SHA256 e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512 aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

memory/2736-15-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/3900-16-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/2736-17-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/2736-18-0x00000000053A0000-0x00000000053B8000-memory.dmp

memory/2736-19-0x00000000061C0000-0x0000000006226000-memory.dmp

memory/2736-20-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/2736-21-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/2736-23-0x0000000006830000-0x0000000006880000-memory.dmp

memory/2736-24-0x0000000074A00000-0x00000000751B0000-memory.dmp

memory/2736-25-0x0000000074A00000-0x00000000751B0000-memory.dmp