Analysis
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max time kernel
103s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2024 03:45
Static task
static1
Behavioral task
behavioral1
Sample
tmp4rzaoto2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
tmp4rzaoto2.exe
Resource
win10v2004-20240802-en
General
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Target
tmp4rzaoto2.exe
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Size
1.1MB
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MD5
07a958109854778ba3f891872d8d0734
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SHA1
4dc9a5067843fccd066bc6de7386760471ce46de
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SHA256
3251093aa6fdae864fe5072d57e4b976ae384281f5a6b1e707a15ceb8af152b1
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SHA512
f82216eb457b98d0f3c74d3385338e48111a8b701d3a8b69507dab09dfe8a4586f7ff0bea3762da9411f8d31c96bee9d4036aabd55a926b24c58f706bac07039
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SSDEEP
24576:uRmJkcoQricOIQxiZY1iaC1jU5S7Ufq510csTteku0mAgI/o:7JZoQrbTFZY1iaCL7Ufqr01teUmAR/o
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
eL)rV@QBKA#m - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 14 api.ipify.org 15 api.ipify.org 16 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3772 set thread context of 3784 3772 tmp4rzaoto2.exe 82 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 tmp4rzaoto2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3784 RegSvcs.exe 3784 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3772 tmp4rzaoto2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3784 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3772 tmp4rzaoto2.exe 3772 tmp4rzaoto2.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 3772 tmp4rzaoto2.exe 3772 tmp4rzaoto2.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3772 wrote to memory of 3784 3772 tmp4rzaoto2.exe 82 PID 3772 wrote to memory of 3784 3772 tmp4rzaoto2.exe 82 PID 3772 wrote to memory of 3784 3772 tmp4rzaoto2.exe 82 PID 3772 wrote to memory of 3784 3772 tmp4rzaoto2.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp4rzaoto2.exe"C:\Users\Admin\AppData\Local\Temp\tmp4rzaoto2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\tmp4rzaoto2.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3784
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