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
121s -
max time network
122s -
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/nsis7z.dll
-
Size
391KB
-
MD5
c6a070b3e68b292bb0efc9b26e85e9cc
-
SHA1
5a922b96eda6595a68fd0a9051236162ff2e2ada
-
SHA256
66ac8bd1f273a73e17a3f31d6add739d3cb0330a6417faeda11a9cae00b62d8b
-
SHA512
8eff8fc16f5bb574bd9483e3b217b67a8986e31497368c06fdaa3a1e93a40aee94a5b31729d01905157b0ae1e556a402f43cd29a4d30a0587e1ec334458a44e8
-
SSDEEP
6144:KI4T3K6gRPI8G1W3ODli+GIuuu8M1CkJagSdJFCAvgw7nv0Yy6ptK:KBK6gU1YsI+GIuEbgagS7FCyp7cD6po
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process 2344 2732 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2732 2888 rundll32.exe 17 PID 2888 wrote to memory of 2732 2888 rundll32.exe 17 PID 2888 wrote to memory of 2732 2888 rundll32.exe 17 PID 2888 wrote to memory of 2732 2888 rundll32.exe 17 PID 2888 wrote to memory of 2732 2888 rundll32.exe 17 PID 2888 wrote to memory of 2732 2888 rundll32.exe 17 PID 2888 wrote to memory of 2732 2888 rundll32.exe 17 PID 2732 wrote to memory of 2344 2732 rundll32.exe 16 PID 2732 wrote to memory of 2344 2732 rundll32.exe 16 PID 2732 wrote to memory of 2344 2732 rundll32.exe 16 PID 2732 wrote to memory of 2344 2732 rundll32.exe 16
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2732
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 2241⤵
- Program crash
PID:2344