Overview
overview
6Static
static
3CS16_Setup.exe
windows10-2004-x64
6$PLUGINSDIR/Math.dll
windows10-2004-x64
3$PLUGINSDI...rl.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...er.exe
windows10-2004-x64
1$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...nz.dll
windows10-2004-x64
3Analysis
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max time kernel
136s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
24-06-2024 07:00
Static task
static1
Behavioral task
behavioral1
Sample
CS16_Setup.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/Math.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NScurl.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240611-en
General
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Target
$PLUGINSDIR/nsisunz.dll
-
Size
88KB
-
MD5
bd97d86d8bd07ebdc8ec662a3f31dfd5
-
SHA1
5e2b3a1af5ee53ab6d1d6c2cb8127add39ee7e82
-
SHA256
c31b590cba443de87f0f4a81712f0883ac3b506f3868759d918d9a81f84ea922
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SHA512
4575d1ea0d1b2f74df74cad94eae7fdf31c513e5dc6d945e81e0873b99f94a5d81b1c385c71ab79a19e5bb6c00fc5fffec7a3bbfd60ad7de312cbb53d8bcce9a
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SSDEEP
1536:uPmnCuZs9reYWvAHvXhxQdJeY3tMCo9NTJwd6aimHr5jr5T51NT:uPmnCuZs9KoPX6rA9Nl2Rrt51h
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2668 1776 WerFault.exe 90 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3968 wrote to memory of 1776 3968 rundll32.exe 90 PID 3968 wrote to memory of 1776 3968 rundll32.exe 90 PID 3968 wrote to memory of 1776 3968 rundll32.exe 90
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:3968 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#12⤵PID:1776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 6043⤵
- Program crash
PID:2668
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1776 -ip 17761⤵PID:892
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4076,i,1236064252342462940,13180713657498721890,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:81⤵PID:1196