Analysis
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max time kernel
147s -
max time network
148s -
platform
windows10_x64 -
resource
win10 -
submitted
07/07/2020, 14:11
Static task
static1
Behavioral task
behavioral1
Sample
Facturas Pagadas al Vencimiento.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Facturas Pagadas al Vencimiento.exe
Resource
win10
General
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Target
Facturas Pagadas al Vencimiento.exe
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Size
518KB
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MD5
074510c3e8e9d5a64c7aa933145e393d
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SHA1
03f4a405338487940c97b2570660fb8b250720b8
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SHA256
9a0308caa25c2ae09ef34859b8bddfef34bc4d95581b751222fdc9b1d9e22d16
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SHA512
4f4b40be129dba5c66d1c8131a04e7fc09ab8acbbea6ffbcd0a1636901ba3b5f8d0571e71cce1432021c65005ab0c771d9777f782b8c35091f6a3e454830f762
Malware Config
Extracted
Protocol: smtp- Host:
mail.gascuenca.es - Port:
587 - Username:
[email protected] - Password:
gasW203@Z7
Extracted
agenttesla
Protocol: smtp- Host:
mail.gascuenca.es - Port:
587 - Username:
[email protected] - Password:
gasW203@Z7
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3840-0-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral2/memory/3840-1-0x000000000044A94E-mapping.dmp family_agenttesla -
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3068 set thread context of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3840 Facturas Pagadas al Vencimiento.exe 3840 Facturas Pagadas al Vencimiento.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3840 Facturas Pagadas al Vencimiento.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3840 Facturas Pagadas al Vencimiento.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3068 wrote to memory of 3840 3068 Facturas Pagadas al Vencimiento.exe 67 PID 3840 wrote to memory of 3144 3840 Facturas Pagadas al Vencimiento.exe 71 PID 3840 wrote to memory of 3144 3840 Facturas Pagadas al Vencimiento.exe 71 PID 3840 wrote to memory of 3144 3840 Facturas Pagadas al Vencimiento.exe 71
Processes
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C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3144
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