Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 16:35
Static task
static1
Behavioral task
behavioral1
Sample
Confirmación de pago_shrunk.exe
Resource
win7-20240903-en
General
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Target
Confirmación de pago_shrunk.exe
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Size
204KB
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MD5
5f249a857aa4ec0d7811cbe49b1eac0e
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SHA1
9bc2fed4cf1f677c009ba9c0c224e15a07ee8dd4
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SHA256
e97a53902ccc623ff61147e3b7cb7e9abf77e8a61a401a317891ffaf73a7338a
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SHA512
021890218f651a97b7f2d3a490def666e3a70a55e40355a91ce912eaff80c60728a582128220d8ccc07653d6a131f6bef42892907153b6f25b52ecce22fbfc5c
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SSDEEP
1536:SD8LRJrCwGizMmnLU/lmOfsxdPTWQ7ZnbXnD630VD1:SQdJrCwG7Wo/lmOfsxdrWQFXWEVD1
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6828335029:AAHOq6iD_8Eg5u6FhmWF0NHPcKj1jLGtRk4/
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4680 set thread context of 3836 4680 Confirmación de pago_shrunk.exe 87 -
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 RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Confirmación de pago_shrunk.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3836 RegAsm.exe 3836 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4680 Confirmación de pago_shrunk.exe Token: SeDebugPrivilege 3836 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87 PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87 PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87 PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87 PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87 PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87 PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87 PID 4680 wrote to memory of 3836 4680 Confirmación de pago_shrunk.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\Confirmación de pago_shrunk.exe"C:\Users\Admin\AppData\Local\Temp\Confirmación de pago_shrunk.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
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