Malware Analysis Report

2024-12-07 14:04

Sample ID 241112-tbyttayqbn
Target 3f0967497e0d6c071e15b4920ee8b1db116d5e58c4775fa4f4bdaddb95ebfc78
SHA256 3f0967497e0d6c071e15b4920ee8b1db116d5e58c4775fa4f4bdaddb95ebfc78
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

3f0967497e0d6c071e15b4920ee8b1db116d5e58c4775fa4f4bdaddb95ebfc78

Threat Level: Known bad

The file 3f0967497e0d6c071e15b4920ee8b1db116d5e58c4775fa4f4bdaddb95ebfc78 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 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

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 15:53

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 15:53

Reported

2024-11-12 15:56

Platform

win10v2004-20241007-en

Max time kernel

122s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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 4500 set thread context of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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\YeaTBVDvY4sDn84.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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\YeaTBVDvY4sDn84.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 4500 wrote to memory of 4004 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4500 wrote to memory of 4004 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4500 wrote to memory of 4004 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 4500 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe

Processes

C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe

"C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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\YeaTBVDvY4sDn84.exe"

C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe

"C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 8.8.8.8:53 150.9.196.185.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/4500-0-0x000000007468E000-0x000000007468F000-memory.dmp

memory/4500-1-0x0000000000190000-0x0000000000238000-memory.dmp

memory/4500-2-0x00000000051B0000-0x0000000005754000-memory.dmp

memory/4500-3-0x0000000004CA0000-0x0000000004D32000-memory.dmp

memory/4500-4-0x0000000004C40000-0x0000000004C4A000-memory.dmp

memory/4500-5-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4500-6-0x0000000004F40000-0x0000000004FDC000-memory.dmp

memory/4500-7-0x00000000050E0000-0x00000000050F2000-memory.dmp

memory/4500-8-0x000000007468E000-0x000000007468F000-memory.dmp

memory/4500-9-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4500-10-0x00000000067C0000-0x0000000006846000-memory.dmp

memory/1804-11-0x0000000000400000-0x0000000000442000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\YeaTBVDvY4sDn84.exe.log

MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

memory/4500-15-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/1804-14-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4004-16-0x0000000002BE0000-0x0000000002C16000-memory.dmp

memory/1804-17-0x0000000005990000-0x00000000059F6000-memory.dmp

memory/4004-18-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4004-19-0x0000000005670000-0x0000000005C98000-memory.dmp

memory/1804-20-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4004-21-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4004-22-0x0000000005D50000-0x0000000005D72000-memory.dmp

memory/4004-23-0x0000000005DF0000-0x0000000005E56000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xrza25gg.2jn.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4004-29-0x0000000005ED0000-0x0000000006224000-memory.dmp

memory/4004-34-0x00000000064C0000-0x00000000064DE000-memory.dmp

memory/4004-35-0x0000000006550000-0x000000000659C000-memory.dmp

memory/4004-36-0x0000000006AB0000-0x0000000006AE2000-memory.dmp

memory/4004-37-0x00000000702E0000-0x000000007032C000-memory.dmp

memory/4004-47-0x0000000006A70000-0x0000000006A8E000-memory.dmp

memory/4004-48-0x00000000076B0000-0x0000000007753000-memory.dmp

memory/1804-49-0x0000000006FE0000-0x0000000007030000-memory.dmp

memory/4004-50-0x0000000007E30000-0x00000000084AA000-memory.dmp

memory/4004-51-0x00000000077E0000-0x00000000077FA000-memory.dmp

memory/4004-52-0x0000000007850000-0x000000000785A000-memory.dmp

memory/4004-53-0x0000000007A60000-0x0000000007AF6000-memory.dmp

memory/4004-54-0x0000000007B20000-0x0000000007B31000-memory.dmp

memory/4004-55-0x0000000007B50000-0x0000000007B5E000-memory.dmp

memory/4004-56-0x0000000007B60000-0x0000000007B74000-memory.dmp

memory/4004-57-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

memory/4004-58-0x0000000007BA0000-0x0000000007BA8000-memory.dmp

memory/4004-61-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/1804-62-0x0000000074680000-0x0000000074E30000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 15:53

Reported

2024-11-12 15:56

Platform

win7-20240903-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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 552 set thread context of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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\YeaTBVDvY4sDn84.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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\YeaTBVDvY4sDn84.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 552 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 552 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 552 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 552 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe
PID 552 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe

Processes

C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe

"C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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\YeaTBVDvY4sDn84.exe"

C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.exe

"C:\Users\Admin\AppData\Local\Temp\YeaTBVDvY4sDn84.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/552-0-0x000000007415E000-0x000000007415F000-memory.dmp

memory/552-1-0x0000000001270000-0x0000000001318000-memory.dmp

memory/552-2-0x0000000074150000-0x000000007483E000-memory.dmp

memory/552-3-0x0000000000270000-0x0000000000282000-memory.dmp

memory/552-4-0x000000007415E000-0x000000007415F000-memory.dmp

memory/552-5-0x0000000074150000-0x000000007483E000-memory.dmp

memory/552-6-0x0000000004CD0000-0x0000000004D56000-memory.dmp

memory/2824-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-17-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2824-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-9-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-8-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-7-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-19-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-20-0x0000000074150000-0x000000007483E000-memory.dmp

memory/2824-22-0x0000000074150000-0x000000007483E000-memory.dmp

memory/552-21-0x0000000074150000-0x000000007483E000-memory.dmp

memory/2824-25-0x0000000074150000-0x000000007483E000-memory.dmp