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Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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. 5 IoCs
resource yara_rule behavioral1/memory/2576-15-0x0000000000400000-0x0000000000430000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2576-11-0x0000000000400000-0x0000000000430000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2576-13-0x0000000000400000-0x0000000000430000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2576-8-0x0000000000400000-0x0000000000430000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2576-17-0x0000000000400000-0x0000000000430000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects executables packed with or use KoiVM 1 IoCs
resource yara_rule behavioral1/memory/2188-3-0x0000000002040000-0x00000000020C4000-memory.dmp INDICATOR_EXE_Packed_KoiVM -
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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2188 set thread context of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2576 regasm.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2188 wrote to memory of 2416 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 29 PID 2188 wrote to memory of 2416 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 29 PID 2188 wrote to memory of 2416 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 29 PID 2188 wrote to memory of 2416 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 29 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2576 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 30 PID 2188 wrote to memory of 2632 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 31 PID 2188 wrote to memory of 2632 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 31 PID 2188 wrote to memory of 2632 2188 ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe"C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵PID:2416
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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:2576
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2188 -s 6682⤵PID:2632
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