Malware Analysis Report

2025-01-19 05:04

Sample ID 240605-m9ckxaef57
Target 97f67165e987f3e30e6237959ac4dec4_JaffaCakes118
SHA256 8958c670d4cab09e4ac54be6bb74eba4f47ec0df13819e079a45170b1cc50b1f
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

8958c670d4cab09e4ac54be6bb74eba4f47ec0df13819e079a45170b1cc50b1f

Threat Level: Known bad

The file 97f67165e987f3e30e6237959ac4dec4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger persistence spyware stealer trojan

AgentTesla

AgentTesla payload

Accesses Microsoft Outlook profiles

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

outlook_win_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 11:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 11:09

Reported

2024-06-05 11:13

Platform

win7-20240221-en

Max time kernel

118s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PAYMENT.....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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\BAVLA = "C:\\Users\\Admin\\AppData\\Roaming\\BAVLA\\BAVLA.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2240 set thread context of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2240 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Processes

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

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

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

"{path}"

Network

N/A

Files

memory/2240-0-0x0000000074091000-0x0000000074092000-memory.dmp

memory/2240-1-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2240-2-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2240-3-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2528-18-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2528-17-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2240-16-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2528-15-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2528-14-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2528-13-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2528-10-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2528-7-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2528-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2528-6-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2528-5-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2528-4-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2528-20-0x0000000074090000-0x000000007463B000-memory.dmp

memory/2528-21-0x0000000074090000-0x000000007463B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 11:09

Reported

2024-06-05 11:13

Platform

win10v2004-20240226-en

Max time kernel

137s

Max time network

164s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BAVLA = "C:\\Users\\Admin\\AppData\\Roaming\\BAVLA\\BAVLA.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1340 set thread context of 4796 N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PAYMENT.....exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Processes

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8

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

"{path}"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
GB 172.217.169.74:443 tcp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/1340-0-0x00000000749C2000-0x00000000749C3000-memory.dmp

memory/1340-1-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/1340-2-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/1340-3-0x00000000749C2000-0x00000000749C3000-memory.dmp

memory/1340-4-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/1340-5-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/4796-6-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4796-8-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/4796-10-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/4796-11-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/1340-9-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/4796-12-0x00000000749C0000-0x0000000074F71000-memory.dmp

memory/4796-14-0x00000000749C0000-0x0000000074F71000-memory.dmp