Malware Analysis Report

2024-10-23 21:59

Sample ID 240612-b4trfsyamm
Target f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a
SHA256 f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a
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: 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

f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a

Threat Level: Known bad

The file f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a was found to be: Known bad.

Malicious Activity Summary

agenttesla execution keylogger persistence spyware stealer trojan

AgentTesla

Command and Scripting Interpreter: PowerShell

Reads user/profile data of web browsers

Checks computer location settings

Reads data files stored by FTP clients

Reads WinSCP keys stored on the system

Reads user/profile data of local email clients

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 01:42

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 01:42

Reported

2024-06-12 01:44

Platform

win10v2004-20240611-en

Max time kernel

120s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware 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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JWxJzQW = "C:\\Users\\Admin\\AppData\\Roaming\\JWxJzQW\\JWxJzQW.exe" C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.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 4964 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4964 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4964 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 4964 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

"C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3984,i,4778049104057176787,6631751660692402210,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8

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\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"

C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

"C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mail.ekolev.com.tr udp
NL 52.111.243.30:443 tcp

Files

memory/4964-0-0x000000007460E000-0x000000007460F000-memory.dmp

memory/4964-1-0x00000000000B0000-0x0000000000172000-memory.dmp

memory/4964-2-0x0000000005020000-0x00000000055C4000-memory.dmp

memory/4964-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

memory/4964-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp

memory/4964-5-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/4964-6-0x0000000007770000-0x0000000007792000-memory.dmp

memory/4964-7-0x0000000002560000-0x0000000002570000-memory.dmp

memory/4964-8-0x000000000A1B0000-0x000000000A234000-memory.dmp

memory/4964-9-0x0000000008C20000-0x0000000008CBC000-memory.dmp

memory/4928-10-0x0000000000400000-0x0000000000442000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe.log

MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

memory/4964-13-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/4928-14-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/4928-15-0x00000000050A0000-0x0000000005106000-memory.dmp

memory/5076-16-0x0000000002800000-0x0000000002836000-memory.dmp

memory/4928-17-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/5076-19-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/5076-20-0x0000000005270000-0x0000000005292000-memory.dmp

memory/5076-18-0x00000000053A0000-0x00000000059C8000-memory.dmp

memory/5076-21-0x00000000059D0000-0x0000000005A36000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ejdrmant.q43.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/5076-27-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/5076-32-0x0000000005B20000-0x0000000005E74000-memory.dmp

memory/5076-33-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/5076-34-0x0000000006100000-0x000000000611E000-memory.dmp

memory/5076-35-0x00000000061B0000-0x00000000061FC000-memory.dmp

memory/5076-47-0x0000000006740000-0x000000000675E000-memory.dmp

memory/5076-48-0x0000000007310000-0x00000000073B3000-memory.dmp

memory/5076-37-0x0000000070260000-0x00000000702AC000-memory.dmp

memory/5076-36-0x00000000066C0000-0x00000000066F2000-memory.dmp

memory/5076-50-0x0000000007450000-0x000000000746A000-memory.dmp

memory/5076-49-0x0000000007A90000-0x000000000810A000-memory.dmp

memory/5076-51-0x00000000074C0000-0x00000000074CA000-memory.dmp

memory/5076-53-0x00000000076D0000-0x0000000007766000-memory.dmp

memory/5076-54-0x0000000007650000-0x0000000007661000-memory.dmp

memory/5076-55-0x0000000007680000-0x000000000768E000-memory.dmp

memory/5076-57-0x0000000007790000-0x00000000077AA000-memory.dmp

memory/5076-56-0x0000000007690000-0x00000000076A4000-memory.dmp

memory/5076-58-0x0000000007770000-0x0000000007778000-memory.dmp

memory/5076-60-0x0000000074600000-0x0000000074DB0000-memory.dmp

memory/4928-61-0x0000000005F90000-0x0000000005FE0000-memory.dmp

memory/4928-62-0x0000000074600000-0x0000000074DB0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 01:42

Reported

2024-06-12 01:44

Platform

win7-20240221-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware 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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\JWxJzQW = "C:\\Users\\Admin\\AppData\\Roaming\\JWxJzQW\\JWxJzQW.exe" C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.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 2836 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2836 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2836 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2836 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
PID 2836 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

"C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.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\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"

C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

"C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"

Network

N/A

Files

memory/2836-0-0x000000007429E000-0x000000007429F000-memory.dmp

memory/2836-1-0x0000000000270000-0x0000000000332000-memory.dmp

memory/2836-2-0x0000000074290000-0x000000007497E000-memory.dmp

memory/2836-3-0x00000000004C0000-0x00000000004E2000-memory.dmp

memory/2836-4-0x00000000005E0000-0x00000000005F0000-memory.dmp

memory/2836-5-0x000000000A2C0000-0x000000000A344000-memory.dmp

memory/2588-9-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2588-12-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2588-16-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2588-14-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2588-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2588-8-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2588-7-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2588-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2836-17-0x0000000074290000-0x000000007497E000-memory.dmp