Analysis
- max time kernel
140s - max time network
144s - platform
windows10_x64 - resource
win10v20201028 - submitted
26/02/2021, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
invoice.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
invoice.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target invoice.exe
- Size 296KB
- Sample210226-dglz2bc3ya
- SHA256 f0339a4175d145fc5632f1bd2d8369892f0e7d5897940b55ec49cfffea72785e
- MD5 f54a93040168fa0dff672735c44a896e
- SHA1 a7e782bfbd5aebad699fc6ab80d1ed891e23deed
- SHA512 1923d24f9786563443e6c3bee14cfc3e1595a089619dc8f4dacfa38279a17c9e77cae7f51658961e43db4e32a759a0f7d018cba67a01833c1cceeb0ba597a88f
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://www.guerrilladefense.com/webpanel/inc/02877693980701.php
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3084-8-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3084-9-0x000000000043752E-mapping.dmp family_agenttesla - 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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewsApps = "C:\\Users\\Admin\\AppData\\Roaming\\NewsApps\\NewsApps.exe" invoice.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1192 set thread context of 3084 1192 invoice.exe 75 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3084 invoice.exe 3084 invoice.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3084 invoice.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3084 invoice.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1192 wrote to memory of 3084 1192 invoice.exe 75 PID 1192 wrote to memory of 3084 1192 invoice.exe 75 PID 1192 wrote to memory of 3084 1192 invoice.exe 75 PID 1192 wrote to memory of 3084 1192 invoice.exe 75 PID 1192 wrote to memory of 3084 1192 invoice.exe 75 PID 1192 wrote to memory of 3084 1192 invoice.exe 75 PID 1192 wrote to memory of 3084 1192 invoice.exe 75 PID 1192 wrote to memory of 3084 1192 invoice.exe 75
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3084
-