Analysis
- max time kernel
97s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
15/06/2023, 08:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
87253502cd5f89ac203ebdceb2bf4a58.exe
Resource
win7-20230220-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
87253502cd5f89ac203ebdceb2bf4a58.exe
Resource
win10v2004-20230220-en
9 signatures
150 seconds
General
- Target 87253502cd5f89ac203ebdceb2bf4a58.exe
- Size 845KB
- Sample230615-kbabsafc3y
- SHA256 100ed81d558e71b8bbf8d3cdd3c2e2c390367e9d470a52a931c07aabdc70ed50
- MD5 87253502cd5f89ac203ebdceb2bf4a58
- SHA1 c3e52e97c912734ed9bb368c302f4000b11bffde
- SHA512 e418b5830fe520d862fe50a610e911126e5c0096cd37d64efacbb41e220a05fc8870cae041fb7432fd418a8e1d6c4538b523f7ff8f65fc24f89129c2a7c0a53d
- SSDEEP 12288:Cy8s3F5sbsDhyEzJI4Eb5zG05x+Z0UWq4LskF6:Cy80nhna4EL5xMMNAkF6
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot6112610523:AAGK4brrgvKwLFOTAeLGi7mJGyww6rZBns0/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 54 api.ipify.org 55 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2176 set thread context of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 5096 RegSvcs.exe 5096 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2176 87253502cd5f89ac203ebdceb2bf4a58.exe Token: SeDebugPrivilege 5096 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2176 wrote to memory of 3736 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 93 PID 2176 wrote to memory of 3736 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 93 PID 2176 wrote to memory of 3736 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 93 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 PID 2176 wrote to memory of 5096 2176 87253502cd5f89ac203ebdceb2bf4a58.exe 94 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\87253502cd5f89ac203ebdceb2bf4a58.exe"C:\Users\Admin\AppData\Local\Temp\87253502cd5f89ac203ebdceb2bf4a58.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:3736
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5096
-