Analysis
- max time kernel
119s - max time network
121s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system - submitted
05/09/2025, 14:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe
Resource
win10v2004-20250619-en
9 signatures
150 seconds
General
- Target 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe
- Size 1.0MB
- Sample250905-rlcm8a1vcw
- SHA256 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625
- MD5 10fad73bcab03506e26422b9f2069eef
- SHA1 17150765f31100cf660d14cc8376f854d1fee379
- SHA512 1e56e9bbc0356ea97c75f8650fa1795c6aca7d8d726c41c840f68c8f8bda30c8db9f8eaca5846a108e579f80976b62742992d92a1b283e7e193d8cdba7d2ae3a
- SSDEEP 24576:Bnzx2PCC7MIrKTTIOJofW3cLdD9ovATQGj52xS6f4qKkev3:BE6ro0Ofsc+IEGj52xFfMk
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
-
Port
587
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Username
-
Password
webmaster
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OutputBlockSize.vbs 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.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 2 api.ipify.org 3 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3776 set thread context of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 - 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 InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4676 InstallUtil.exe 4676 InstallUtil.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe Token: SeDebugPrivilege 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe Token: SeDebugPrivilege 4676 InstallUtil.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78 PID 3776 wrote to memory of 4676 3776 6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe"C:\Users\Admin\AppData\Local\Temp\6a58063fd4bfe4c9fd2bb7b17216fe3353a358a404d8b162d8b6f2a9bfc7b625.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3776 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4676
-