Analysis
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max time kernel
14s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
12-02-2025 11:24
Static task
static1
Behavioral task
behavioral1
Sample
justificante.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
justificante.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250207-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
cf85183b87314359488b850f9e97a698
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SHA1
6b6c790037eec7ebea4d05590359cb4473f19aea
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SHA256
3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
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SHA512
fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b
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SSDEEP
96:3IsUxO9udx4qYp7AJb76BykUbQMtHUOA5Iv+RnsrqeXV+d1g2IW9t2c+cEwF9oug:YVL7ikJb76BQUoUm+RnyXVYO2RvHoug
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1356 2380 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 392 wrote to memory of 2380 392 rundll32.exe 29 PID 392 wrote to memory of 2380 392 rundll32.exe 29 PID 392 wrote to memory of 2380 392 rundll32.exe 29 PID 392 wrote to memory of 2380 392 rundll32.exe 29 PID 392 wrote to memory of 2380 392 rundll32.exe 29 PID 392 wrote to memory of 2380 392 rundll32.exe 29 PID 392 wrote to memory of 2380 392 rundll32.exe 29 PID 2380 wrote to memory of 1356 2380 rundll32.exe 30 PID 2380 wrote to memory of 1356 2380 rundll32.exe 30 PID 2380 wrote to memory of 1356 2380 rundll32.exe 30 PID 2380 wrote to memory of 1356 2380 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 2283⤵
- Program crash
PID:1356
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