Overview
overview
7Static
static
3DFX.for.Re...up.exe
windows7-x64
7DFX.for.Re...up.exe
windows10-2004-x64
7$COMMONFIL...an.exe
windows7-x64
3$COMMONFIL...an.exe
windows10-2004-x64
3$COMMONFIL...ni.exe
windows7-x64
3$COMMONFIL...ni.exe
windows10-2004-x64
3$COMMONFIL...FX.exe
windows7-x64
3$COMMONFIL...FX.exe
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows7-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$_0_/dfxbtn.dll
windows7-x64
3$_0_/dfxbtn.dll
windows10-2004-x64
3$_1_/dfxrealr.dll
windows7-x64
3$_1_/dfxrealr.dll
windows10-2004-x64
3RealPlayer...te.exe
windows7-x64
1RealPlayer...te.exe
windows10-2004-x64
3RealPlayer...il.exe
windows7-x64
1RealPlayer...il.exe
windows10-2004-x64
3RealPlayer...rs.exe
windows7-x64
1RealPlayer...rs.exe
windows10-2004-x64
3RealPlayer...al.chm
windows7-x64
1RealPlayer...al.chm
windows10-2004-x64
1DFX.for.Re...pk.dll
windows7-x64
7DFX.for.Re...pk.dll
windows10-2004-x64
7Analysis
-
max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-10-2024 01:28
Static task
static1
Behavioral task
behavioral1
Sample
DFX.for.RealPlayer.v9.103/3ddown.com_setup.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
DFX.for.RealPlayer.v9.103/3ddown.com_setup.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$COMMONFILES/DFX/Skins/Obsidian/Obsidian.exe
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$COMMONFILES/DFX/Skins/Obsidian/Obsidian.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$COMMONFILES/DFX/Skins/Obsidian_mini/Obsidian_mini.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$COMMONFILES/DFX/Skins/Obsidian_mini/Obsidian_mini.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$COMMONFILES/DFX/Skins/SoundFX/SoundFX.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$COMMONFILES/DFX/Skins/SoundFX/SoundFX.exe
Resource
win10v2004-20240910-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240708-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
$_0_/dfxbtn.dll
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
$_0_/dfxbtn.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$_1_/dfxrealr.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
$_1_/dfxrealr.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
RealPlayer/Apps/record_date.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
RealPlayer/Apps/record_date.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
RealPlayer/Apps/record_email.exe
Resource
win7-20240729-en
Behavioral task
behavioral22
Sample
RealPlayer/Apps/record_email.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
RealPlayer/Apps/registryCleanUsers.exe
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
RealPlayer/Apps/registryCleanUsers.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
RealPlayer/Help/DFX Manual.chm
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
RealPlayer/Help/DFX Manual.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
DFX.for.RealPlayer.v9.103/lpk.dll
Resource
win7-20240704-en
Behavioral task
behavioral28
Sample
DFX.for.RealPlayer.v9.103/lpk.dll
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
10KB
-
MD5
4fbb4a2cd711fc1fe84f3dc30c491dc9
-
SHA1
888e01ae6e64e7326f88df9a30587f699eab154a
-
SHA256
c3b05f4faf5e8903d5b4cb4a8ce4bbf2e8144725b98d8787d51c117b6efa9bc2
-
SHA512
92dcf99672a5935065df6492e27abb653679f1db6dcddfde87cd14260c94a870327826b23cc2f338381b3eb53d07c1a3867806f6ff94533db5195b895a856847
-
SSDEEP
192:CO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1argMO:XKAFERdlxhGRYUzqZar
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2740 2996 WerFault.exe 30 -
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 11 IoCs
description pid Process procid_target PID 3012 wrote to memory of 2996 3012 rundll32.exe 30 PID 3012 wrote to memory of 2996 3012 rundll32.exe 30 PID 3012 wrote to memory of 2996 3012 rundll32.exe 30 PID 3012 wrote to memory of 2996 3012 rundll32.exe 30 PID 3012 wrote to memory of 2996 3012 rundll32.exe 30 PID 3012 wrote to memory of 2996 3012 rundll32.exe 30 PID 3012 wrote to memory of 2996 3012 rundll32.exe 30 PID 2996 wrote to memory of 2740 2996 rundll32.exe 31 PID 2996 wrote to memory of 2740 2996 rundll32.exe 31 PID 2996 wrote to memory of 2740 2996 rundll32.exe 31 PID 2996 wrote to memory of 2740 2996 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 2243⤵
- Program crash
PID:2740
-
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