Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
27-09-2024 23:29
Static task
static1
Behavioral task
behavioral1
Sample
20d0e5e717a95936e3e59ae945381a19c15ce6ef4b7eb341f7c3d4adf3e49cfcN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
20d0e5e717a95936e3e59ae945381a19c15ce6ef4b7eb341f7c3d4adf3e49cfcN.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/kallqfcy.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/kallqfcy.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240802-en
General
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Target
$PLUGINSDIR/nsisunz.dll
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Size
40KB
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MD5
5f13dbc378792f23e598079fc1e4422b
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SHA1
5813c05802f15930aa860b8363af2b58426c8adf
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SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d
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SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5
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SSDEEP
384:KExN66Yf2xL5Q4IsjuUjUZfqRDpImexpf88FwHxXvjX3hwlHt6oIfESxSHoOO8n9:O2x64GcVpI3xC8ynToIf1SIOhW4
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1376 1804 WerFault.exe 31 -
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 1384 wrote to memory of 1804 1384 rundll32.exe 31 PID 1384 wrote to memory of 1804 1384 rundll32.exe 31 PID 1384 wrote to memory of 1804 1384 rundll32.exe 31 PID 1384 wrote to memory of 1804 1384 rundll32.exe 31 PID 1384 wrote to memory of 1804 1384 rundll32.exe 31 PID 1384 wrote to memory of 1804 1384 rundll32.exe 31 PID 1384 wrote to memory of 1804 1384 rundll32.exe 31 PID 1804 wrote to memory of 1376 1804 rundll32.exe 32 PID 1804 wrote to memory of 1376 1804 rundll32.exe 32 PID 1804 wrote to memory of 1376 1804 rundll32.exe 32 PID 1804 wrote to memory of 1376 1804 rundll32.exe 32
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 2243⤵
- Program crash
PID:1376
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