Malware Analysis Report

2024-12-07 14:16

Sample ID 241114-p5kf3azbke
Target c0516d9cad09ae1382c71f32c3e8dbe4733c6a6dde07956161d62dcb09db0b5b
SHA256 c0516d9cad09ae1382c71f32c3e8dbe4733c6a6dde07956161d62dcb09db0b5b
Tags
agenttesla discovery execution keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c0516d9cad09ae1382c71f32c3e8dbe4733c6a6dde07956161d62dcb09db0b5b

Threat Level: Known bad

The file c0516d9cad09ae1382c71f32c3e8dbe4733c6a6dde07956161d62dcb09db0b5b was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery execution keylogger spyware stealer trojan

AgentTesla

Agenttesla family

Command and Scripting Interpreter: PowerShell

Reads user/profile data of web browsers

Reads WinSCP keys stored on the system

Checks computer location settings

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 12:54

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 12:54

Reported

2024-11-14 12:57

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe 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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3444 set thread context of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3444 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3444 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3444 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3444 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 3444 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

Processes

C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

"C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

"C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

"C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 mail.apexrnun.com udp
CH 185.196.9.150:587 mail.apexrnun.com tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 150.9.196.185.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp

Files

memory/3444-0-0x000000007461E000-0x000000007461F000-memory.dmp

memory/3444-1-0x0000000000D70000-0x0000000000E30000-memory.dmp

memory/3444-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

memory/3444-3-0x0000000005810000-0x00000000058A2000-memory.dmp

memory/3444-4-0x00000000059D0000-0x0000000005A6C000-memory.dmp

memory/3444-5-0x00000000058D0000-0x00000000058DA000-memory.dmp

memory/3444-6-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/3444-7-0x0000000006AF0000-0x0000000006B02000-memory.dmp

memory/3444-8-0x000000007461E000-0x000000007461F000-memory.dmp

memory/3444-9-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/3444-10-0x0000000006DE0000-0x0000000006E66000-memory.dmp

memory/1416-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3444-14-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/1416-13-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/1848-15-0x00000000053E0000-0x0000000005416000-memory.dmp

memory/1416-16-0x00000000057E0000-0x0000000005846000-memory.dmp

memory/1848-18-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/1848-17-0x0000000005BD0000-0x00000000061F8000-memory.dmp

memory/1416-19-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/1848-20-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/1848-22-0x00000000062A0000-0x0000000006306000-memory.dmp

memory/1848-21-0x0000000006200000-0x0000000006222000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilbcbc11.fcm.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1848-32-0x0000000006480000-0x00000000067D4000-memory.dmp

memory/1848-33-0x0000000006990000-0x00000000069AE000-memory.dmp

memory/1848-34-0x0000000006B20000-0x0000000006B6C000-memory.dmp

memory/1848-36-0x0000000070290000-0x00000000702DC000-memory.dmp

memory/1848-35-0x0000000006F70000-0x0000000006FA2000-memory.dmp

memory/1848-46-0x0000000006FB0000-0x0000000006FCE000-memory.dmp

memory/1848-47-0x00000000079A0000-0x0000000007A43000-memory.dmp

memory/1848-48-0x0000000008310000-0x000000000898A000-memory.dmp

memory/1848-49-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

memory/1848-50-0x0000000007D30000-0x0000000007D3A000-memory.dmp

memory/1848-51-0x0000000007F40000-0x0000000007FD6000-memory.dmp

memory/1848-52-0x0000000007EC0000-0x0000000007ED1000-memory.dmp

memory/1848-53-0x0000000007EF0000-0x0000000007EFE000-memory.dmp

memory/1848-54-0x0000000007F00000-0x0000000007F14000-memory.dmp

memory/1848-56-0x0000000008000000-0x000000000801A000-memory.dmp

memory/1416-55-0x0000000006E60000-0x0000000006EB0000-memory.dmp

memory/1848-57-0x0000000007FE0000-0x0000000007FE8000-memory.dmp

memory/1848-60-0x0000000074610000-0x0000000074DC0000-memory.dmp

memory/1416-61-0x0000000074610000-0x0000000074DC0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 12:54

Reported

2024-11-14 12:57

Platform

win7-20241023-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe 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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2424 set thread context of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

Enumerates physical storage devices

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\yyKuc4Eg5i3P81j.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2424 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2424 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2424 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2424 wrote to memory of 2120 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe
PID 2424 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

Processes

C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

"C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe

"C:\Users\Admin\AppData\Local\Temp\yyKuc4Eg5i3P81j.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp

Files

memory/2424-0-0x000000007499E000-0x000000007499F000-memory.dmp

memory/2424-1-0x0000000000F10000-0x0000000000FD0000-memory.dmp

memory/2424-2-0x0000000074990000-0x000000007507E000-memory.dmp

memory/2424-3-0x0000000000520000-0x0000000000532000-memory.dmp

memory/2424-4-0x0000000074990000-0x000000007507E000-memory.dmp

memory/2424-5-0x0000000004F70000-0x0000000004FF6000-memory.dmp

memory/2956-20-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2956-17-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2956-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2956-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2956-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2956-10-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2956-8-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2956-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2956-22-0x0000000074990000-0x000000007507E000-memory.dmp

memory/2956-23-0x0000000074990000-0x000000007507E000-memory.dmp

memory/2424-21-0x0000000074990000-0x000000007507E000-memory.dmp

memory/2956-26-0x0000000074990000-0x000000007507E000-memory.dmp