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Analysis
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max time kernel
141s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 02:23
Static task
static1
Behavioral task
behavioral1
Sample
ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe
Resource
win10v2004-20240426-en
General
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Target
ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe
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Size
538KB
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MD5
81d4a6a1d18c240c26756635809b682c
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SHA1
b1c0cbc2c15ddc742f9be31123aa074f5762cf1b
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SHA256
ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e
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SHA512
4b710b2f514845ca990c98338db7881e59101d5f709538ecd8c14b0c9e5c69895a76e5acd6e31d0f12ed8ec253ce1b61a57dda662d0c663fe83297984b67b39a
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SSDEEP
12288:bU0+AzBAeB1hMqKvCUaJ1Cu18cSYsK8jWRPUS:1+Af/7Yu1vsnjI7
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.svetigeorgije.co.rs - Port:
21 - Username:
[email protected] - Password:
4c5H&b2whkD9
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral2/memory/4848-4-0x0000000000400000-0x0000000000430000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects executables packed with or use KoiVM 1 IoCs
resource yara_rule behavioral2/memory/2244-2-0x000001F77AD00000-0x000001F77AD84000-memory.dmp INDICATOR_EXE_Packed_KoiVM -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2244 set thread context of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4848 installutil.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2244 wrote to memory of 4112 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 91 PID 2244 wrote to memory of 4112 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 91 PID 2244 wrote to memory of 4112 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 91 PID 2244 wrote to memory of 912 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 92 PID 2244 wrote to memory of 912 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 92 PID 2244 wrote to memory of 912 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 92 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 4848 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 94 PID 2244 wrote to memory of 1608 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 95 PID 2244 wrote to memory of 1608 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 95 PID 2244 wrote to memory of 1608 2244 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe"C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"2⤵PID:4112
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵PID:912
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4848
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵PID:1608
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