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
118s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-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/StdUtils.dll
-
Size
101KB
-
MD5
33b4e69e7835e18b9437623367dd1787
-
SHA1
53afa03edaf931abdc2d828e5a2c89ad573d926c
-
SHA256
72d38ef115e71fc73dc5978987c583fc8c6b50ff12e4a5d30649a4d164a8b6ae
-
SHA512
ca890e785d1a0a7e0b4a748416fba417826ae66b46e600f407d4e795b444612a8b830f579f2cf5b6e051bea800604f34f8801cc3daf05c8d29ad05bcda454a77
-
SSDEEP
1536:Ayy+wx2YAlWrU5OX9crt5c4DBqiC7hk333kbQk:ry+wojIwgNcr1a7WH0b
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1968 2104 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 860 wrote to memory of 2104 860 rundll32.exe 28 PID 860 wrote to memory of 2104 860 rundll32.exe 28 PID 860 wrote to memory of 2104 860 rundll32.exe 28 PID 860 wrote to memory of 2104 860 rundll32.exe 28 PID 860 wrote to memory of 2104 860 rundll32.exe 28 PID 860 wrote to memory of 2104 860 rundll32.exe 28 PID 860 wrote to memory of 2104 860 rundll32.exe 28 PID 2104 wrote to memory of 1968 2104 rundll32.exe 29 PID 2104 wrote to memory of 1968 2104 rundll32.exe 29 PID 2104 wrote to memory of 1968 2104 rundll32.exe 29 PID 2104 wrote to memory of 1968 2104 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 2203⤵
- Program crash
PID:1968
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