Analysis
-
max time kernel
100s -
max time network
97s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
15-06-2023 08:27
Static task
static1
Behavioral task
behavioral1
Sample
87253502cd5f89ac203ebdceb2bf4a58.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
87253502cd5f89ac203ebdceb2bf4a58.exe
Resource
win10v2004-20230220-en
General
-
Target
87253502cd5f89ac203ebdceb2bf4a58.exe
-
Size
845KB
-
MD5
87253502cd5f89ac203ebdceb2bf4a58
-
SHA1
c3e52e97c912734ed9bb368c302f4000b11bffde
-
SHA256
100ed81d558e71b8bbf8d3cdd3c2e2c390367e9d470a52a931c07aabdc70ed50
-
SHA512
e418b5830fe520d862fe50a610e911126e5c0096cd37d64efacbb41e220a05fc8870cae041fb7432fd418a8e1d6c4538b523f7ff8f65fc24f89129c2a7c0a53d
-
SSDEEP
12288:Cy8s3F5sbsDhyEzJI4Eb5zG05x+Z0UWq4LskF6:Cy80nhna4EL5xMMNAkF6
Malware Config
Extracted
agenttesla
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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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 5 api.ipify.org 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1476 set thread context of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 520 RegSvcs.exe 520 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1476 87253502cd5f89ac203ebdceb2bf4a58.exe Token: SeDebugPrivilege 520 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 PID 1476 wrote to memory of 520 1476 87253502cd5f89ac203ebdceb2bf4a58.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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:1476 -
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:520
-