Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-01-2025 02:06
Static task
static1
Behavioral task
behavioral1
Sample
F25-Try on pdf.exe
Resource
win7-20240903-en
General
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Target
F25-Try on pdf.exe
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Size
1.3MB
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MD5
6df84e1338b2efb7200ff1a7539b9290
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SHA1
8aa472897a6359e137f4ac7b39191d10aa33315b
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SHA256
71b9fb3f5b06fc5f1a1e50b744c376c6048452f6f8fa246a96b1d8626fc8133d
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SHA512
4c13b99126f11f68af1960c7ae71a6f8833b0f56e2dc32033f6bc7116cdc52f4ba50a97947768ab381103752211eb6bed9bb5afc22b8ac1116a03b0b3558c85b
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SSDEEP
24576:LdlRLWN2O4KCo48p7zB+LiGZl3YUoHY/gxJIpv6YVqpb+xc3q1vDl4y1qy:LzRL02O1CZ85zB+pPYt4/tS8xx4/y
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
webmaster - 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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Agenttesla family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2560 created 3464 2560 F25-Try on pdf.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Parameters.vbs F25-Try on pdf.exe -
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 14 api.ipify.org 15 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2560 set thread context of 3056 2560 F25-Try on pdf.exe 83 -
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 F25-Try on pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2560 F25-Try on pdf.exe 2560 F25-Try on pdf.exe 2560 F25-Try on pdf.exe 3056 InstallUtil.exe 3056 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2560 F25-Try on pdf.exe Token: SeDebugPrivilege 2560 F25-Try on pdf.exe Token: SeDebugPrivilege 3056 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83 PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83 PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83 PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83 PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83 PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83 PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83 PID 2560 wrote to memory of 3056 2560 F25-Try on pdf.exe 83
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3464
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C:\Users\Admin\AppData\Local\Temp\F25-Try on pdf.exe"C:\Users\Admin\AppData\Local\Temp\F25-Try on pdf.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560
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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⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3056
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