Malware Analysis Report

2024-11-13 14:28

Sample ID 240603-lvhb6sbg95
Target PO76389.exe
SHA256 b43813d1e597a0633fc8693d5921688a8b189cfdc6c74fda22e42c2aefa3270c
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

b43813d1e597a0633fc8693d5921688a8b189cfdc6c74fda22e42c2aefa3270c

Threat Level: Known bad

The file PO76389.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 user/profile data of web browsers

Reads user/profile data of local email clients

Reads data files stored by FTP clients

Looks up external IP address via web service

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 09:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 09:51

Reported

2024-06-03 09:53

Platform

win7-20240221-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PO76389.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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe" C:\Users\Admin\AppData\Local\Temp\PO76389.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 328 set thread context of 2264 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\PO76389.exe

"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"

C:\Users\Admin\AppData\Local\Temp\PO76389.exe

"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp

Files

memory/328-0-0x000000007406E000-0x000000007406F000-memory.dmp

memory/328-1-0x0000000000DC0000-0x0000000000E9A000-memory.dmp

memory/328-2-0x0000000074060000-0x000000007474E000-memory.dmp

memory/328-3-0x00000000005B0000-0x00000000005C6000-memory.dmp

memory/328-4-0x00000000006D0000-0x00000000006DE000-memory.dmp

memory/328-5-0x00000000006E0000-0x00000000006F0000-memory.dmp

memory/328-6-0x0000000005190000-0x0000000005214000-memory.dmp

memory/2264-7-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2264-19-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2264-17-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2264-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2264-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2264-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2264-9-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2264-21-0x0000000000400000-0x0000000000442000-memory.dmp

memory/328-22-0x0000000074060000-0x000000007474E000-memory.dmp

memory/2264-23-0x0000000074060000-0x000000007474E000-memory.dmp

memory/2264-24-0x0000000074060000-0x000000007474E000-memory.dmp

memory/2264-26-0x0000000074060000-0x000000007474E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 09:51

Reported

2024-06-03 09:53

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PO76389.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe" C:\Users\Admin\AppData\Local\Temp\PO76389.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 3012 set thread context of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3012 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 3156 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 3156 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 3156 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe
PID 3012 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\PO76389.exe C:\Users\Admin\AppData\Local\Temp\PO76389.exe

Processes

C:\Users\Admin\AppData\Local\Temp\PO76389.exe

"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"

C:\Users\Admin\AppData\Local\Temp\PO76389.exe

"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"

C:\Users\Admin\AppData\Local\Temp\PO76389.exe

"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"

C:\Users\Admin\AppData\Local\Temp\PO76389.exe

"C:\Users\Admin\AppData\Local\Temp\PO76389.exe"

C:\Users\Admin\AppData\Local\Temp\PO76389.exe

"C:\Users\Admin\AppData\Local\Temp\PO76389.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 --no-appcompat-clear --mojo-platform-channel-handle=3612 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp
US 8.8.8.8:53 205.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 mail.psgrasa.ir udp
IR 185.10.73.42:587 mail.psgrasa.ir tcp
US 8.8.8.8:53 42.73.10.185.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 172.217.169.74:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 74.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp

Files

memory/3012-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/3012-1-0x0000000000140000-0x000000000021A000-memory.dmp

memory/3012-2-0x00000000050B0000-0x0000000005654000-memory.dmp

memory/3012-3-0x0000000004C00000-0x0000000004C92000-memory.dmp

memory/3012-4-0x0000000005660000-0x00000000059B4000-memory.dmp

memory/3012-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/3012-6-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

memory/3012-7-0x00000000066C0000-0x00000000066D6000-memory.dmp

memory/3012-8-0x00000000066E0000-0x00000000066EE000-memory.dmp

memory/3012-9-0x00000000066F0000-0x0000000006700000-memory.dmp

memory/3012-10-0x0000000006760000-0x00000000067E4000-memory.dmp

memory/3012-11-0x0000000008E60000-0x0000000008EFC000-memory.dmp

memory/2968-12-0x0000000000400000-0x0000000000442000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO76389.exe.log

MD5 b7b9acb869ccc7f7ecb5304ec0384dee
SHA1 6a90751c95817903ee833d59a0abbef425a613b3
SHA256 8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4
SHA512 7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

memory/2968-15-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/3012-16-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/2968-18-0x0000000005120000-0x0000000005186000-memory.dmp

memory/2968-17-0x0000000074A40000-0x00000000751F0000-memory.dmp

memory/2968-20-0x0000000006610000-0x0000000006660000-memory.dmp

memory/2968-21-0x0000000074A40000-0x00000000751F0000-memory.dmp