Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-01-2025 01:09
Behavioral task
behavioral1
Sample
transferencia_BBVA_97866456345354678976543425678.exe
Resource
win7-20240903-en
General
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Target
transferencia_BBVA_97866456345354678976543425678.exe
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Size
858KB
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MD5
5625cbf471e51e71ede214a1236ca612
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SHA1
d07a68d0d95ad9855d096e3e8ea680e31afd7e7f
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SHA256
e5b6cda78a342ea9f8f9f62853995a251ef13ce90dbd18a80195f460852a94e6
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SHA512
2fe51828e092723dad0add4601c01279478c34af3cdee530bc03005ef912e8e438b584b45cbdb7b6682d4a14b801267835f65f4b4b1edf477093fbf11ea4d090
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SSDEEP
24576:5iUmSB/o5d1ubcvi0X6qMhXRqOyzrNMZBZT:5/mU/ohubcvi9xXk1zpMZB
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.fosna.net - Port:
21 - Username:
[email protected] - Password:
(=8fPSH$KO_!
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/1660-10-0x0000000000230000-0x0000000000409000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1660 set thread context of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 -
resource yara_rule behavioral1/memory/1660-0-0x0000000000230000-0x0000000000409000-memory.dmp upx behavioral1/memory/1660-10-0x0000000000230000-0x0000000000409000-memory.dmp upx -
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 transferencia_BBVA_97866456345354678976543425678.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2532 RegSvcs.exe 2532 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1660 transferencia_BBVA_97866456345354678976543425678.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2532 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1660 transferencia_BBVA_97866456345354678976543425678.exe 1660 transferencia_BBVA_97866456345354678976543425678.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1660 transferencia_BBVA_97866456345354678976543425678.exe 1660 transferencia_BBVA_97866456345354678976543425678.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31 PID 1660 wrote to memory of 2532 1660 transferencia_BBVA_97866456345354678976543425678.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\transferencia_BBVA_97866456345354678976543425678.exe"C:\Users\Admin\AppData\Local\Temp\transferencia_BBVA_97866456345354678976543425678.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\transferencia_BBVA_97866456345354678976543425678.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532
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