Overview
overview
3Static
static
34f19f13d5d...0N.exe
windows7-x64
34f19f13d5d...0N.exe
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...tp.dll
windows7-x64
3$PLUGINSDI...tp.dll
windows10-2004-x64
3$PLUGINSDI...tn.dll
windows7-x64
3$PLUGINSDI...tn.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...rl.dll
windows7-x64
3$PLUGINSDI...rl.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$PLUGINSDI...ol.htm
windows7-x64
3$PLUGINSDI...ol.htm
windows10-2004-x64
3$PLUGINSDI...oll.js
windows7-x64
3$PLUGINSDI...oll.js
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3YoukuDesktop.exe
windows7-x64
1YoukuDesktop.exe
windows10-2004-x64
3ikuacc.exe
windows7-x64
ikuacc.exe
windows10-2004-x64
Analysis
-
max time kernel
114s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-08-2024 23:14
Static task
static1
Behavioral task
behavioral1
Sample
4f19f13d5d3b065b9fe5b47259ad6380N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4f19f13d5d3b065b9fe5b47259ad6380N.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/Rfshdktp.dll
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/Rfshdktp.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/SkinBtn.dll
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/SkinBtn.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/SkinProgress.dll
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/SkinProgress.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240708-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/WebCtrl.dll
Resource
win7-20240705-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/WebCtrl.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/WndSubclass.dll
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/WndSubclass.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/install_protocol.htm
Resource
win7-20240705-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/install_protocol.htm
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/jsScroll.js
Resource
win7-20240705-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/jsScroll.js
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240729-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
YoukuDesktop.exe
Resource
win7-20240708-en
Behavioral task
behavioral30
Sample
YoukuDesktop.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
ikuacc.exe
Resource
win7-20240708-en
Behavioral task
behavioral32
Sample
ikuacc.exe
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/SkinBtn.dll
-
Size
4KB
-
MD5
e4ec95271ff1bcebab49bdfed6817a22
-
SHA1
2c03e97f4773aea80ecdb98a1482e5896fe4677b
-
SHA256
ee1c06692a757473737b0ebdef16f77b63afac864d0890022d905e4873737dd6
-
SHA512
771a527133806307a1b17b7e956d6a3c16e9bc675bf084b43204ae784a057dac2726dbf90645692876043a4e7365ba8825c167621fde4760c79cd84679e2aa3d
-
SSDEEP
48:iIf3aEDfeWm8JHFQbUrUPJJDFoetaxn/pFW3GNivz187eqzI/kMr8oX0Zbj:lv9Dfw8DQbhD2iaxn/PHmiNI/dQFZH
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 404 4232 WerFault.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1504 wrote to memory of 4232 1504 rundll32.exe 91 PID 1504 wrote to memory of 4232 1504 rundll32.exe 91 PID 1504 wrote to memory of 4232 1504 rundll32.exe 91
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SkinBtn.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SkinBtn.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4232 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 6283⤵
- Program crash
PID:404
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4232 -ip 42321⤵PID:4332
-
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=4400,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=3708 /prefetch:81⤵PID:676