Malware Analysis Report

2025-01-19 05:03

Sample ID 240605-kf4q7aah8t
Target 97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118
SHA256 a7857a8f3d8ae57db9bc6c48aaeb2b2b7f6190b7fbd4cb72d66dd9a7f9f8c91a
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

a7857a8f3d8ae57db9bc6c48aaeb2b2b7f6190b7fbd4cb72d66dd9a7f9f8c91a

Threat Level: Known bad

The file 97a34da4e49f20eab3c17f2bab3d13b6_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 data files stored by FTP clients

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 08:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 08:33

Reported

2024-06-05 08:36

Platform

win7-20240508-en

Max time kernel

148s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_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 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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mymp4 = "C:\\Users\\Admin\\AppData\\Roaming\\Mymp4\\Mymp4.exe" C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 2428 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

Network

N/A

Files

memory/2428-0-0x0000000073FF1000-0x0000000073FF2000-memory.dmp

memory/2428-1-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2428-2-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2428-3-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2916-5-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2916-10-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2916-18-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2916-16-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2916-14-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2916-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2916-8-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2916-6-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2916-19-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2916-21-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2428-20-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2916-22-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2916-24-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2916-25-0x0000000073FF0000-0x000000007459B000-memory.dmp

memory/2916-26-0x0000000073FF0000-0x000000007459B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 08:33

Reported

2024-06-05 08:36

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

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-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mymp4 = "C:\\Users\\Admin\\AppData\\Roaming\\Mymp4\\Mymp4.exe" C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4800 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 224 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 224 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 224 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
PID 4800 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 smtp.teracefinancial.net udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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

Files

memory/4800-0-0x00000000753E2000-0x00000000753E3000-memory.dmp

memory/4800-1-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/4800-2-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/2120-3-0x0000000000400000-0x0000000000452000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe.log

MD5 7baa6583f69f63f7230df9bf98448356
SHA1 fe9eb85b57192362da704a3c130377fe83862320
SHA256 a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f
SHA512 0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

memory/2120-6-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/2120-8-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/4800-7-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/2120-9-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/2120-11-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/2120-12-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/2120-13-0x00000000753E0000-0x0000000075991000-memory.dmp