Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
18-02-2025 11:59
Static task
static1
Behavioral task
behavioral1
Sample
Polylogy.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Polylogy.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250217-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
b853d5d2361ade731e33e882707efc34
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SHA1
c58b1aeabdf1cbb8334ef8797e7aceaa7a1cb6be
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SHA256
f0cd96e0b6e40f92ad1aa0efacde833bae807b92fca19bf062c1cf8acf29484b
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SHA512
8ea31d82ffa6f58dab5632fe72690d3a6db0be65aec85fc8a1f71626773c0974dcebefae17bcf67c4c56ef442545e985eea0b348ff6e4fc36740640092b08d69
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SSDEEP
192:eA2HS+ihg200uWz947Wzvxu6v0MI7JOde+Ij5Z77dslFsEf:mS62Gw947ExuGDI7J8EF7KIE
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 440 4652 WerFault.exe 85 -
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 4920 wrote to memory of 4652 4920 rundll32.exe 85 PID 4920 wrote to memory of 4652 4920 rundll32.exe 85 PID 4920 wrote to memory of 4652 4920 rundll32.exe 85
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:4920 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 5683⤵
- Program crash
PID:440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4652 -ip 46521⤵PID:3256