Overview
overview
4Static
static
3y8-browser...10.exe
windows7-x64
4$PLUGINSDIR/INetC.dll
windows7-x64
3$PLUGINSDI...er.dll
windows7-x64
1$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows7-x64
3Uninstall ...er.exe
windows7-x64
4$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows7-x64
3Analysis
-
max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
17/01/2024, 20:15
Static task
static1
Behavioral task
behavioral1
Sample
y8-browser-web-setup-1.0.10.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/INetC.dll
Resource
win7-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20231129-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
Uninstall Y8 Browser.exe
Resource
win7-20231129-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231215-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20231215-en
General
-
Target
$PLUGINSDIR/WinShell.dll
-
Size
3KB
-
MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56
-
SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c
-
SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
-
SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1188 1632 WerFault.exe 13 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3060 wrote to memory of 1632 3060 rundll32.exe 13 PID 3060 wrote to memory of 1632 3060 rundll32.exe 13 PID 3060 wrote to memory of 1632 3060 rundll32.exe 13 PID 3060 wrote to memory of 1632 3060 rundll32.exe 13 PID 3060 wrote to memory of 1632 3060 rundll32.exe 13 PID 3060 wrote to memory of 1632 3060 rundll32.exe 13 PID 3060 wrote to memory of 1632 3060 rundll32.exe 13 PID 1632 wrote to memory of 1188 1632 rundll32.exe 29 PID 1632 wrote to memory of 1188 1632 rundll32.exe 29 PID 1632 wrote to memory of 1188 1632 rundll32.exe 29 PID 1632 wrote to memory of 1188 1632 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 2203⤵
- Program crash
PID:1188
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