Analysis
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max time kernel
107s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2025 04:16
Static task
static1
Behavioral task
behavioral1
Sample
b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe
Resource
win7-20241023-en
General
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Target
b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe
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Size
1.3MB
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MD5
07caad0cbd9f69575d7ca662fe9e493f
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SHA1
2898698831e9b01f2883f88216840fc23566fd4e
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SHA256
b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72
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SHA512
dda0b046f881a1ce3c7e68435511846cbb988820f2b85923c23e5db9858e5d2dbc0d4329d6ffe1fb68423ceccd44875ca4a811d0f3ad93db427ded3d2a4df284
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SSDEEP
24576:RphXFfIvZNmXcXhdkvWRC/2HnolvfCrKmSUCjvUXT/iF3pxX5FFCF:Rphah8Z+Riv9MKvU8vUGNpjFO
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 3188 created 3572 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Target.vbs b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.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 3188 set thread context of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 -
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 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 3492 InstallUtil.exe 3492 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe Token: SeDebugPrivilege 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe Token: SeDebugPrivilege 3492 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82 PID 3188 wrote to memory of 3492 3188 b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe 82
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3572
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C:\Users\Admin\AppData\Local\Temp\b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.exe"C:\Users\Admin\AppData\Local\Temp\b4c2eb27a46ef76dd83a4f0a6666e9c9034c8a8d3580630dddadf93fb9809d72.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:3188
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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:3492
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