Analysis
- max time kernel
135s - max time network
118s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2024, 01:41
Static task
static1
Behavioral task
behavioral1
Sample
LisectAVT_2403002C_10.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
LisectAVT_2403002C_10.exe
Resource
win10v2004-20240709-en
General
- Target LisectAVT_2403002C_10.exe
- Size 831KB
- Sample240725-b36pmazhrm
- SHA256 eff2809f58b9a3ec94b4c4914d3d4b4afac3f64afbeb1d89c7db2d9cdf227d2a
- MD5 1526e5fa3dacb4fec142fa048c1573a1
- SHA1 f6c7bec1582498255ee35b142fc95d9e2b17b4c5
- SHA512 99b794479b27f821e7843c290023957fd8523bcd705dffa56578ccc55fd3a7f57cc8c0fde42b4d650f2b40a2cb3182429c7a76d4a55c2addc63eb2f50a22af0c
- SSDEEP 12288:UFLUZoWBwIyww0vWfueEQEarTXNmuKXevwN0GQ+l3y34SI1Vt/L5r3BD1Ry09yz:UaomwIjGGUfHwuuNvSIb1LN
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sintecno.gr
-
Port
587
-
Username
-
Password
k$&v8@,q0Pf#
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cUsRDu = "C:\\Users\\Admin\\AppData\\Roaming\\cUsRDu\\cUsRDu.exe" LisectAVT_2403002C_10.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 27 api.ipify.org 28 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4932 set thread context of 3528 4932 LisectAVT_2403002C_10.exe 94 - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LisectAVT_2403002C_10.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LisectAVT_2403002C_10.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4932 LisectAVT_2403002C_10.exe 4932 LisectAVT_2403002C_10.exe 4932 LisectAVT_2403002C_10.exe 3528 LisectAVT_2403002C_10.exe 3528 LisectAVT_2403002C_10.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4932 LisectAVT_2403002C_10.exe Token: SeDebugPrivilege 3528 LisectAVT_2403002C_10.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3528 LisectAVT_2403002C_10.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94 PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94 PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94 PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94 PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94 PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94 PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94 PID 4932 wrote to memory of 3528 4932 LisectAVT_2403002C_10.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe"C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe"C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_10.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3528
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LisectAVT_2403002C_10.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512