Malware Analysis Report

2024-11-13 14:21

Sample ID 240617-wqka3sycqf
Target b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118
SHA256 a1164f44afc2ceee90a833e950f23a3bb69c4557331cadb35e4f95bf335f1b27
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

a1164f44afc2ceee90a833e950f23a3bb69c4557331cadb35e4f95bf335f1b27

Threat Level: Known bad

The file b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger spyware stealer trojan

AgentTesla

AgentTesla payload

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

outlook_win_path

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-17 18:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 18:07

Reported

2024-06-17 18:10

Platform

win7-20240508-en

Max time kernel

139s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\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-1-5-21-268080393-3149932598-1824759070-1000\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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1636 set thread context of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
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 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1636 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\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-1-5-21-268080393-3149932598-1824759070-1000\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\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe"

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

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

Network

N/A

Files

memory/1636-0-0x0000000074781000-0x0000000074782000-memory.dmp

memory/1636-1-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/1636-2-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/1636-3-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/1636-4-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/2620-5-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2620-17-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2620-15-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2620-19-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2620-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2620-11-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2620-9-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2620-7-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2620-23-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/2620-22-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/1636-21-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/2620-20-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/2620-24-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/2620-25-0x0000000074780000-0x0000000074D2B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 18:07

Reported

2024-06-17 18:10

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.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-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2908 set thread context of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.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\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.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 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2908 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\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\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b94fc43994550c2c3f922b0f9367a3d4_JaffaCakes118.exe"

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

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

Network

Files

memory/2908-0-0x00000000755A2000-0x00000000755A3000-memory.dmp

memory/2908-1-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/2908-2-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/2908-3-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/2908-4-0x00000000755A2000-0x00000000755A3000-memory.dmp

memory/3852-5-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3852-7-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/2908-9-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/3852-8-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/3852-10-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/3852-11-0x00000000755A0000-0x0000000075B51000-memory.dmp

memory/3852-12-0x00000000755A0000-0x0000000075B51000-memory.dmp