Analysis
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max time kernel
138s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15/03/2024, 13:46
Static task
static1
Behavioral task
behavioral1
Sample
cb901beffae5e9ff1b5317d3ba41d2f8.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
cb901beffae5e9ff1b5317d3ba41d2f8.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/cgibuti.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/cgibuti.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240226-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 3356 840 WerFault.exe 86 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2724 wrote to memory of 840 2724 rundll32.exe 86 PID 2724 wrote to memory of 840 2724 rundll32.exe 86 PID 2724 wrote to memory of 840 2724 rundll32.exe 86
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:2724 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#12⤵PID:840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 6003⤵
- Program crash
PID:3356
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 840 -ip 8401⤵PID:4540