Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-01-2025 01:23
Static task
static1
Behavioral task
behavioral1
Sample
Purchase_Order 276636.pdf (2).exe
Resource
win7-20240903-en
General
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Target
Purchase_Order 276636.pdf (2).exe
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Size
1.5MB
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MD5
dc3af75561a56ac032e7a1e3070988ff
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SHA1
ade4df5684242436f7db4dc6c7542f3902886b4c
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SHA256
264b494687d3fff2f3b10816fa0133a40ee6a35b21e22206a0413364cfbd349b
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SHA512
db128d6744263ba6f82df8281398c7e9b740f5d50219befaa8790732a7c50f2bea5e4e25a962dd0c89c84e05485142b443436d724d20f4d8cd5023dc1a84ebc2
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SSDEEP
24576:C5xTK3fxsIFqUSE/GbkCh03Qf2i+8l0CNHefKOnci7/LUMfKJpS1qu:C5lQxsIsUSJb50AW8iCN+fKIHjLBcu
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 1028 created 3436 1028 Purchase_Order 276636.pdf (2).exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MustFlush.vbs Purchase_Order 276636.pdf (2).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 13 api.ipify.org 14 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1028 set thread context of 1828 1028 Purchase_Order 276636.pdf (2).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 Purchase_Order 276636.pdf (2).exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1028 Purchase_Order 276636.pdf (2).exe 1028 Purchase_Order 276636.pdf (2).exe 1028 Purchase_Order 276636.pdf (2).exe 1828 InstallUtil.exe 1828 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1028 Purchase_Order 276636.pdf (2).exe Token: SeDebugPrivilege 1028 Purchase_Order 276636.pdf (2).exe Token: SeDebugPrivilege 1828 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83 PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83 PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83 PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83 PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83 PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83 PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83 PID 1028 wrote to memory of 1828 1028 Purchase_Order 276636.pdf (2).exe 83
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3436
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C:\Users\Admin\AppData\Local\Temp\Purchase_Order 276636.pdf (2).exe"C:\Users\Admin\AppData\Local\Temp\Purchase_Order 276636.pdf (2).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:1028
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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:1828
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