Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231201-en -
resource tags
arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system -
submitted
10-12-2023 16:34
Static task
static1
Behavioral task
behavioral1
Sample
a73e19f0e16fe269c738fb72db885632.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
a73e19f0e16fe269c738fb72db885632.exe
Resource
win10v2004-20231201-en
General
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Target
a73e19f0e16fe269c738fb72db885632.exe
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Size
823KB
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MD5
a73e19f0e16fe269c738fb72db885632
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SHA1
86505bb59e19e4d458f14b84ea2cd4412270399d
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SHA256
c74273c928e74f91e1869446598e85ab41d163efa6dac55e45c50e74140f6ccc
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SHA512
7047fef24ed425121dcbe530f55ded680c686565ea5646c072313a6a1996c53256f09e75bb3bad5a42e6ebbfcecbb6b5881e5500e32a11b8c2d7ed631107f06d
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SSDEEP
24576:GSqn1JhQ8AA6vkIx4W8AHPb41CEjSd8n:Jqn1Px6vQA7USun
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.experthvac.ro - Port:
21 - Username:
[email protected] - Password:
-8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2988 set thread context of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2988 a73e19f0e16fe269c738fb72db885632.exe 2988 a73e19f0e16fe269c738fb72db885632.exe 2988 a73e19f0e16fe269c738fb72db885632.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2988 a73e19f0e16fe269c738fb72db885632.exe Token: SeDebugPrivilege 2124 RegAsm.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2572 2988 a73e19f0e16fe269c738fb72db885632.exe 28 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 PID 2988 wrote to memory of 2124 2988 a73e19f0e16fe269c738fb72db885632.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a73e19f0e16fe269c738fb72db885632.exe"C:\Users\Admin\AppData\Local\Temp\a73e19f0e16fe269c738fb72db885632.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2572
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2124
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