Analysis
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max time kernel
60s -
max time network
57s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
09-06-2023 09:44
Static task
static1
Behavioral task
behavioral1
Sample
NEW PO - 4610926543.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
NEW PO - 4610926543.exe
Resource
win10v2004-20230220-en
General
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Target
NEW PO - 4610926543.exe
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Size
785KB
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MD5
440cd930743d1b0c91c6d7396eaf23e0
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SHA1
f2cbcde2047dbba83c4ba61543c1a10e4286cafc
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SHA256
65370cfa1e08f458d53cb661cf02054d9324f155a7bbf6505b4da5c2f9492385
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SHA512
997d4f9e3649d6daff61b54da347e4c79e61ecc8000ce57219800db7222c7dbded6ee2a59e93f71fd1650cf1fa7ca594cb22cdb9a04ac3f6a8e21b211ee48148
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SSDEEP
24576:50biRoSErVxIE5+wqAWxE3YSKeE6xna9I6vfY:5y4oRrjIw3qjnReP+vfY
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.nutiribio.com - Port:
587 - Username:
[email protected] - Password:
zGNVO(l5 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEW PO - 4610926543.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEW PO - 4610926543.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEW PO - 4610926543.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1296 set thread context of 1504 1296 NEW PO - 4610926543.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1504 NEW PO - 4610926543.exe 1504 NEW PO - 4610926543.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1504 NEW PO - 4610926543.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 PID 1296 wrote to memory of 1504 1296 NEW PO - 4610926543.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEW PO - 4610926543.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEW PO - 4610926543.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe"C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe"C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1504
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