Overview
overview
7Static
static
3ffdec_21.0...up.exe
windows7-x64
7ffdec_21.0...up.exe
windows10-2004-x64
7$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3ffdec.bat
windows7-x64
1ffdec.bat
windows10-2004-x64
7ffdec.exe
windows7-x64
3ffdec.exe
windows10-2004-x64
7ffdec.jar
windows7-x64
1ffdec.jar
windows10-2004-x64
7lib/JavactiveX.jar
windows7-x64
1lib/JavactiveX.jar
windows10-2004-x64
1lib/LZMA.jar
windows7-x64
1lib/LZMA.jar
windows10-2004-x64
1lib/avi.jar
windows7-x64
1lib/avi.jar
windows10-2004-x64
1lib/cmykjpeg.jar
windows7-x64
1lib/cmykjpeg.jar
windows10-2004-x64
1lib/ddsreader.jar
windows7-x64
1lib/ddsreader.jar
windows10-2004-x64
1lib/decimal.jar
windows7-x64
1lib/decimal.jar
windows10-2004-x64
1lib/ffdec_lib.jar
windows7-x64
1lib/ffdec_lib.jar
windows10-2004-x64
1lib/flamingo-6.2.jar
windows7-x64
1lib/flamingo-6.2.jar
windows10-2004-x64
1Analysis
-
max time kernel
116s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-09-2024 13:23
Static task
static1
Behavioral task
behavioral1
Sample
ffdec_21.0.5_setup.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ffdec_21.0.5_setup.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
ffdec.bat
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
ffdec.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
ffdec.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
ffdec.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
ffdec.jar
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
ffdec.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
lib/JavactiveX.jar
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
lib/JavactiveX.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
lib/LZMA.jar
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
lib/LZMA.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
lib/avi.jar
Resource
win7-20240729-en
Behavioral task
behavioral22
Sample
lib/avi.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
lib/cmykjpeg.jar
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
lib/cmykjpeg.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
lib/ddsreader.jar
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
lib/ddsreader.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
lib/decimal.jar
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
lib/decimal.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
lib/ffdec_lib.jar
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
lib/ffdec_lib.jar
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
lib/flamingo-6.2.jar
Resource
win7-20240903-en
Behavioral task
behavioral32
Sample
lib/flamingo-6.2.jar
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/nsDialogs.dll
-
Size
14KB
-
MD5
8b11196dc49c4df98c6f97457c97e590
-
SHA1
7ee6c21506ac68a1ecf36be5d632ee339311d51a
-
SHA256
47a1976b7736371b9b2e073ef0dd49db3bdbe604ec9ee77e50621e5f19d9ae7b
-
SHA512
4c77005b35f9c9c3cd64d5dba178f45ed250974848086e9da283d539add6aa70bb9ec44782f69f115ab87d1d1d723a63698f9b9db817710b52ab836a87e654b7
-
SSDEEP
192:RlWWck581HwPRLG/CocFR1w5nEYkv/RGl5Boi6+6SZSM3CU:mdk5SoRLG/CocFR62Ykv8l5Boi9XyU
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4712 4888 WerFault.exe 85 -
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 3896 wrote to memory of 4888 3896 rundll32.exe 85 PID 3896 wrote to memory of 4888 3896 rundll32.exe 85 PID 3896 wrote to memory of 4888 3896 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3896 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4888 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 6443⤵
- Program crash
PID:4712
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4888 -ip 48881⤵PID:2804