Analysis
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max time kernel
94s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 12:41
Static task
static1
Behavioral task
behavioral1
Sample
Printernummers.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Printernummers.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20241023-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/nsExec.dll
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Size
6KB
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MD5
1b0e41f60564cccccd71347d01a7c397
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SHA1
b1bddd97765e9c249ba239e9c95ab32368098e02
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SHA256
13ebc725f3f236e1914fe5288ad6413798ad99bef38bfe9c8c898181238e8a10
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SHA512
b6d7925cdff358992b2682cf1485227204ce3868c981c47778dd6da32057a595caa933d8242c8d7090b0c54110d45fa8f935a1b4eec1e318d89cc0e44b115785
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SSDEEP
96:s7fhfKaGgchPzxK6bq+pKX6D8ZLidGgmkN838:UbGgGPzxeX6D8ZyGgmkN
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4172 1956 WerFault.exe 83 -
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 1476 wrote to memory of 1956 1476 rundll32.exe 83 PID 1476 wrote to memory of 1956 1476 rundll32.exe 83 PID 1476 wrote to memory of 1956 1476 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1956 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 6123⤵
- Program crash
PID:4172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1956 -ip 19561⤵PID:4068