Overview
overview
3Static
static
3e7599962a3...0N.exe
windows7-x64
3e7599962a3...0N.exe
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...64.exe
windows7-x64
3$PLUGINSDI...64.exe
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
YoukuDesktop.exe
windows10-2004-x64
Analysis
-
max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
25/07/2024, 17:50
Static task
static1
Behavioral task
behavioral1
Sample
e7599962a35047eb9fef1bc68e3a1ec0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
e7599962a35047eb9fef1bc68e3a1ec0N.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/FP_AX_CAB_INSTALLER64.exe
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/FP_AX_CAB_INSTALLER64.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/Rfshdktp.dll
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/Rfshdktp.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/SkinBtn.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/SkinBtn.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/SkinProgress.dll
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/SkinProgress.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/WebCtrl.dll
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/WebCtrl.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/WndSubclass.dll
Resource
win7-20240705-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/WndSubclass.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/install_protocol.htm
Resource
win7-20240705-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/install_protocol.htm
Resource
win10v2004-20240709-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/jsScroll.js
Resource
win7-20240705-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/jsScroll.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240705-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240704-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral31
Sample
YoukuDesktop.exe
Resource
win7-20240705-en
Behavioral task
behavioral32
Sample
YoukuDesktop.exe
Resource
win10v2004-20240709-en
General
-
Target
$PLUGINSDIR/Rfshdktp.dll
-
Size
2KB
-
MD5
9410591a148871a6d0629cf25b94526f
-
SHA1
be1e8b0fe8327f185136a0d2460a68f720484535
-
SHA256
acc76e81f71e7f2ba58c36d678bc9ae4705e0187a3cdfa6d0025190467d9c0c7
-
SHA512
465d3e418e769b907262e07cbca3d2c5132bf328431d456be09c059821be20a6d30106562d7ef0bfa93ca219b2abe57ee891d937419fc4b8840987b184b45df0
Malware Config
Signatures
-
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 7 IoCs
description pid Process procid_target PID 2216 wrote to memory of 2152 2216 rundll32.exe 31 PID 2216 wrote to memory of 2152 2216 rundll32.exe 31 PID 2216 wrote to memory of 2152 2216 rundll32.exe 31 PID 2216 wrote to memory of 2152 2216 rundll32.exe 31 PID 2216 wrote to memory of 2152 2216 rundll32.exe 31 PID 2216 wrote to memory of 2152 2216 rundll32.exe 31 PID 2216 wrote to memory of 2152 2216 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Rfshdktp.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Rfshdktp.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2152
-