Malware Analysis Report

2025-03-14 22:30

Sample ID 240304-rah1vsbh3w
Target TS-240304-UF2.exe
SHA256 d192c8d38432e7a474fc0f7ae9aa569150bbb5f337444c68f77e6e74049d9912
Tags
agenttesla 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

d192c8d38432e7a474fc0f7ae9aa569150bbb5f337444c68f77e6e74049d9912

Threat Level: Known bad

The file TS-240304-UF2.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger persistence spyware stealer trojan

AgentTesla

Reads WinSCP keys stored on the system

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

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 13:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 13:59

Reported

2024-03-04 14:01

Platform

win7-20240221-en

Max time kernel

117s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe" C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe N/A

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 3036 set thread context of 3000 N/A C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe

"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"

C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe

"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.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/3036-0-0x0000000001220000-0x000000000127A000-memory.dmp

memory/3036-1-0x0000000074BD0000-0x00000000752BE000-memory.dmp

memory/3036-2-0x00000000011B0000-0x00000000011F0000-memory.dmp

memory/3036-3-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/3000-4-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3000-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3000-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3000-7-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3000-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3000-10-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3036-12-0x0000000074BD0000-0x00000000752BE000-memory.dmp

memory/3000-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3000-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3000-16-0x0000000074B50000-0x000000007523E000-memory.dmp

memory/3000-17-0x0000000000780000-0x00000000007C0000-memory.dmp

memory/3000-19-0x0000000074B50000-0x000000007523E000-memory.dmp

memory/3000-20-0x0000000000780000-0x00000000007C0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 13:59

Reported

2024-03-04 14:01

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe

"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"

C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe

"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2600 -ip 2600

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 80

Network

Country Destination Domain Proto
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp

Files

memory/620-0-0x00000000745F0000-0x0000000074DA0000-memory.dmp

memory/620-1-0x0000000000780000-0x00000000007DA000-memory.dmp

memory/620-2-0x00000000051B0000-0x00000000051C0000-memory.dmp

memory/620-3-0x0000000002BD0000-0x0000000002BD1000-memory.dmp

memory/620-6-0x00000000745F0000-0x0000000074DA0000-memory.dmp