Analysis
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max time kernel
106s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21/05/2024, 03:44
Static task
static1
Behavioral task
behavioral1
Sample
hesaphareketi-01.pdf.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
hesaphareketi-01.pdf.exe
Resource
win10v2004-20240508-en
General
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Target
hesaphareketi-01.pdf.exe
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Size
1.5MB
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MD5
add9f3b243e1b69cc4ba4c336a1cb03a
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SHA1
edfc85a5010db4c029d987df6df2bbafa9b0fcd6
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SHA256
a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203
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SHA512
c10d1a96b83eabb9c429abe21c54cb5c59d6f29a0263efb2ecb0c3e1c28d3ba9cb85cabc4b483cdb20e2cad57836f547e7a0538adfabb83be1917c75aa5c38b0
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SSDEEP
24576:HXEo56LpdQD5tpywgrcZC6rJhgtkxPPAAPx2cAYDphEVvrss4PXtLIfzNmpLLGVz:cCPQnVvoLX8yLKrYWtjxX
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.tekserendustriyel.com - Port:
21 - Username:
[email protected] - Password:
chuzy2024@
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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 api.ipify.org 16 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4320 set thread context of 4548 4320 hesaphareketi-01.pdf.exe 88 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4548 regasm.exe 4548 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4548 regasm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4548 regasm.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 4548 4320 hesaphareketi-01.pdf.exe 88 PID 4320 wrote to memory of 2428 4320 hesaphareketi-01.pdf.exe 89 PID 4320 wrote to memory of 2428 4320 hesaphareketi-01.pdf.exe 89 PID 4320 wrote to memory of 2428 4320 hesaphareketi-01.pdf.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4320 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4548
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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⤵PID:2428
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