Malware Analysis Report

2024-11-13 14:28

Sample ID 240603-lw4xkabh66
Target Requirement Specification.exe
SHA256 564d2275edd8f622be6717d156c627a346f330549ca2f266985e49a4e5e17204
Tags
agenttesla execution 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

564d2275edd8f622be6717d156c627a346f330549ca2f266985e49a4e5e17204

Threat Level: Known bad

The file Requirement Specification.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla execution keylogger persistence spyware stealer trojan

AgentTesla

Command and Scripting Interpreter: PowerShell

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 09:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 09:53

Reported

2024-06-03 09:56

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Requirement Specification = "C:\\Users\\Admin\\Requirement Specification.exe" C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3028 set thread context of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3028 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
PID 3028 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
PID 3028 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3028 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe

"C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe"

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp

Files

memory/1284-4-0x000007FEF5BFE000-0x000007FEF5BFF000-memory.dmp

memory/1284-5-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

memory/1284-6-0x0000000002230000-0x0000000002238000-memory.dmp

memory/1284-7-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/1284-8-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/1284-10-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/2092-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2092-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2092-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/1284-16-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/1284-17-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/2092-18-0x000000007426E000-0x000000007426F000-memory.dmp

memory/1284-19-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/2092-20-0x000000007426E000-0x000000007426F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 09:53

Reported

2024-06-03 09:56

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Requirement Specification = "C:\\Users\\Admin\\Requirement Specification.exe" C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3264 set thread context of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3264 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
PID 3264 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3264 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe

"C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe"

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 api.ipify.org tcp
US 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 3.173.189.20.in-addr.arpa udp

Files

memory/3116-0-0x00007FFB46973000-0x00007FFB46975000-memory.dmp

memory/3116-6-0x000001FC36EB0000-0x000001FC36ED2000-memory.dmp

memory/3116-7-0x00007FFB46970000-0x00007FFB47431000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mbezhoer.hlc.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3116-12-0x00007FFB46970000-0x00007FFB47431000-memory.dmp

memory/4616-14-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4616-18-0x00000000753CE000-0x00000000753CF000-memory.dmp

memory/3116-17-0x00007FFB46970000-0x00007FFB47431000-memory.dmp

memory/4616-19-0x0000000005930000-0x0000000005ED4000-memory.dmp

memory/4616-20-0x00000000055E0000-0x0000000005646000-memory.dmp

memory/4616-21-0x00000000753C0000-0x0000000075B70000-memory.dmp

memory/4616-22-0x00000000069E0000-0x0000000006A72000-memory.dmp

memory/4616-23-0x0000000008A30000-0x0000000008A80000-memory.dmp

memory/4616-24-0x0000000008210000-0x000000000821A000-memory.dmp

memory/4616-25-0x00000000753CE000-0x00000000753CF000-memory.dmp

memory/4616-26-0x00000000753C0000-0x0000000075B70000-memory.dmp