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Overview
overview
7Static
static
3a0faaea087...18.exe
windows7-x64
7a0faaea087...18.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$SYSDIR/In...er.dll
windows7-x64
3$SYSDIR/In...er.dll
windows10-2004-x64
3$SYSDIR/LAVAudio.dll
windows7-x64
3$SYSDIR/LAVAudio.dll
windows10-2004-x64
3$SYSDIR/LA...er.dll
windows7-x64
3$SYSDIR/LA...er.dll
windows10-2004-x64
3$SYSDIR/LAVVideo.dll
windows7-x64
3$SYSDIR/LAVVideo.dll
windows10-2004-x64
3$SYSDIR/MPG4C32.dll
windows7-x64
3$SYSDIR/MPG4C32.dll
windows10-2004-x64
3$SYSDIR/av...53.dll
windows7-x64
3$SYSDIR/av...53.dll
windows10-2004-x64
3$SYSDIR/av...-2.dll
windows7-x64
3$SYSDIR/av...-2.dll
windows10-2004-x64
3$SYSDIR/av...53.dll
windows7-x64
3$SYSDIR/av...53.dll
windows10-2004-x64
3$SYSDIR/av...51.dll
windows7-x64
3$SYSDIR/av...51.dll
windows10-2004-x64
3$SYSDIR/libbluray.dll
windows7-x64
3$SYSDIR/libbluray.dll
windows10-2004-x64
3$SYSDIR/mp...er.dll
windows7-x64
3$SYSDIR/mp...er.dll
windows10-2004-x64
3$SYSDIR/mpg4ds32.dll
windows7-x64
3$SYSDIR/mpg4ds32.dll
windows10-2004-x64
3Analysis
-
max time kernel
147s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17/08/2024, 03:08
Static task
static1
Behavioral task
behavioral1
Sample
a0faaea087a29e3462421661f51c2f81_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a0faaea087a29e3462421661f51c2f81_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$SYSDIR/IntelQuickSyncDecoder.dll
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
$SYSDIR/IntelQuickSyncDecoder.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$SYSDIR/LAVAudio.dll
Resource
win7-20240729-en
Behavioral task
behavioral12
Sample
$SYSDIR/LAVAudio.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$SYSDIR/LAVSplitter.dll
Resource
win7-20240708-en
Behavioral task
behavioral14
Sample
$SYSDIR/LAVSplitter.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
$SYSDIR/LAVVideo.dll
Resource
win7-20240708-en
Behavioral task
behavioral16
Sample
$SYSDIR/LAVVideo.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$SYSDIR/MPG4C32.dll
Resource
win7-20240705-en
Behavioral task
behavioral18
Sample
$SYSDIR/MPG4C32.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
$SYSDIR/avcodec-lav-53.dll
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
$SYSDIR/avcodec-lav-53.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
$SYSDIR/avfilter-lav-2.dll
Resource
win7-20240705-en
Behavioral task
behavioral22
Sample
$SYSDIR/avfilter-lav-2.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
$SYSDIR/avformat-lav-53.dll
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
$SYSDIR/avformat-lav-53.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
$SYSDIR/avutil-lav-51.dll
Resource
win7-20240729-en
Behavioral task
behavioral26
Sample
$SYSDIR/avutil-lav-51.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
$SYSDIR/libbluray.dll
Resource
win7-20240704-en
Behavioral task
behavioral28
Sample
$SYSDIR/libbluray.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
$SYSDIR/mp4decoder.dll
Resource
win7-20240704-en
Behavioral task
behavioral30
Sample
$SYSDIR/mp4decoder.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
$SYSDIR/mpg4ds32.dll
Resource
win7-20240708-en
Behavioral task
behavioral32
Sample
$SYSDIR/mpg4ds32.dll
Resource
win10v2004-20240802-en
General
-
Target
$SYSDIR/avcodec-lav-53.dll
-
Size
6.1MB
-
MD5
b0e35230800d6c0242cbcdb59b8756e8
-
SHA1
7599be00ed9146a12be932471f94b3f9e89f122c
-
SHA256
a65265502a0050a8ae7f432a3629c299d5d8d1ebe7118dc8117026e4d3b22970
-
SHA512
d0751608e7eab4fa61e594ecf43b6a48d7a37f6ec064da691f195b11ee5393bdd89748020b892f2de0717ca05c815d3d474aecc5b8b1b8d2473dc008b9e5cfe3
-
SSDEEP
196608:YzQpdeTc29Dj5gyoiP34ddi111oz/R26cmne/+Z9lpP7Ilr:Y0pEjY5Ll5lpElr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 884 1716 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 2144 wrote to memory of 1716 2144 rundll32.exe 85 PID 2144 wrote to memory of 1716 2144 rundll32.exe 85 PID 2144 wrote to memory of 1716 2144 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avcodec-lav-53.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avcodec-lav-53.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1716 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 6043⤵
- Program crash
PID:884
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1716 -ip 17161⤵PID:3628