Malware Analysis Report

2025-08-05 16:17

Sample ID 240521-ccswhsee22
Target 087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd
SHA256 087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd
Tags
agenttesla keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd

Threat Level: Known bad

The file 087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-21 01:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 01:56

Reported

2024-05-21 01:58

Platform

win7-20240508-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

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 2548 set thread context of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2548 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\system32\WerFault.exe
PID 2548 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\system32\WerFault.exe
PID 2548 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe

"C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2548 -s 624

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp

Files

memory/2548-0-0x000007FEF53B3000-0x000007FEF53B4000-memory.dmp

memory/2548-1-0x0000000001B60000-0x0000000001B6E000-memory.dmp

memory/2548-2-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

memory/2548-3-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

memory/2548-5-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

memory/2548-4-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

memory/2548-6-0x000000001ACD0000-0x000000001AD62000-memory.dmp

memory/3064-7-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3064-14-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-18-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-16-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-12-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-19-0x000000007412E000-0x000000007412F000-memory.dmp

memory/3064-20-0x0000000074120000-0x000000007480E000-memory.dmp

memory/2548-21-0x000007FEF53B3000-0x000007FEF53B4000-memory.dmp

memory/2548-22-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

memory/3064-23-0x000000007412E000-0x000000007412F000-memory.dmp

memory/3064-24-0x0000000074120000-0x000000007480E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 01:56

Reported

2024-05-21 01:58

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.exe

"C:\Users\Admin\AppData\Local\Temp\087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd.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=4136 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

N/A