Analysis
- max time kernel
135s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
17/05/2024, 05:07
Static task
static1
Behavioral task
behavioral1
Sample
IMG_011160528.exe
Resource
win7-20240221-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
IMG_011160528.exe
Resource
win10v2004-20240426-en
11 signatures
150 seconds
General
- Target IMG_011160528.exe
- Size 66KB
- Sample240517-frzjdsaf3y
- SHA256 cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec
- MD5 6b922539f1cbc89ca73ac0d9bc5df9a0
- SHA1 b93e8aec68e05730de4b9b2abe14190f7e8f3e58
- SHA512 460c2d4e9a6f7c39d94c88530928436492852497f58ef95daec9a2d00d7e1921a805294044a0cfbd9ed37ef0df3a46a2b413c83eb6234fbf6f1acdeb49775014
- SSDEEP 1536:V04E/c6ODf/L/EYonabLDnXW+6RFJT9Z8BJQ2rs3hGH:2/7/FJBZMJQ2rpH
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
66.29.151.236
-
Port
587
-
Username
-
Password
AvydGQ8TIDH9
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uvef = "C:\\Users\\Admin\\AppData\\Roaming\\uvef.exe" IMG_011160528.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 35 api.ipify.org 36 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1524 set thread context of 1780 1524 IMG_011160528.exe 99 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1780 RegAsm.exe 1780 RegAsm.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1524 IMG_011160528.exe Token: SeDebugPrivilege 1524 IMG_011160528.exe Token: SeDebugPrivilege 1780 RegAsm.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99 PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99 PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99 PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99 PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99 PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99 PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99 PID 1524 wrote to memory of 1780 1524 IMG_011160528.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\IMG_011160528.exe"C:\Users\Admin\AppData\Local\Temp\IMG_011160528.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1780
-