Analysis
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max time kernel
120s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20250211-en -
resource tags
arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system -
submitted
11-02-2025 17:02
Static task
static1
Behavioral task
behavioral1
Sample
RFQ03022025AGRAUCONSULTORIA.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ03022025AGRAUCONSULTORIA.pdf.exe
Resource
win10v2004-20250211-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250211-en
General
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Target
$PLUGINSDIR/System.dll
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Size
12KB
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MD5
6e55a6e7c3fdbd244042eb15cb1ec739
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SHA1
070ea80e2192abc42f358d47b276990b5fa285a9
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SHA256
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
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SHA512
2d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35
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SSDEEP
192:MenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBaIwL:M8+Qlt70Fj/lQRY/9VjjgL
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4108 2860 WerFault.exe 82 -
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 3 IoCs
description pid Process procid_target PID 4128 wrote to memory of 2860 4128 rundll32.exe 82 PID 4128 wrote to memory of 2860 4128 rundll32.exe 82 PID 4128 wrote to memory of 2860 4128 rundll32.exe 82
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:4128 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 6123⤵
- Program crash
PID:4108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2860 -ip 28601⤵PID:1076