Overview
overview
7Static
static
5613e2610f5...7N.exe
windows7-x64
7613e2610f5...7N.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3kuaibo.exe
windows7-x64
7kuaibo.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Codecs/CoreAVC.dll
windows7-x64
5Codecs/CoreAVC.dll
windows10-2004-x64
5Codecs/FLV...er.dll
windows7-x64
3Codecs/FLV...er.dll
windows10-2004-x64
3Codecs/MP4...er.dll
windows7-x64
3Codecs/MP4...er.dll
windows10-2004-x64
3Codecs/Mat...er.dll
windows7-x64
3Codecs/Mat...er.dll
windows10-2004-x64
3Codecs/Mpa...er.dll
windows7-x64
3Codecs/Mpa...er.dll
windows10-2004-x64
3Codecs/QMV...er.dll
windows7-x64
3Codecs/QMV...er.dll
windows10-2004-x64
3Codecs/Qmv...er.dll
windows7-x64
3Codecs/Qmv...er.dll
windows10-2004-x64
3Codecs/Qvo...ec.dll
windows7-x64
3Codecs/Qvo...ec.dll
windows10-2004-x64
3Codecs/QvodSound.dll
windows7-x64
3Codecs/QvodSound.dll
windows10-2004-x64
3Codecs/QvodSource.dll
windows7-x64
3Codecs/QvodSource.dll
windows10-2004-x64
3Analysis
-
max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2024 23:39
Behavioral task
behavioral1
Sample
613e2610f5d51ecd11ee5ff5d1ed32b331af678e4e5e64f2b2a544787a97cea7N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
613e2610f5d51ecd11ee5ff5d1ed32b331af678e4e5e64f2b2a544787a97cea7N.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsTools.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsTools.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
kuaibo.exe
Resource
win7-20241023-en
Behavioral task
behavioral8
Sample
kuaibo.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Codecs/CoreAVC.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
Codecs/CoreAVC.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Codecs/FLVSplitter.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
Codecs/FLVSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Codecs/MP4Splitter.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
Codecs/MP4Splitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
Codecs/MatroskaSplitter.dll
Resource
win7-20241023-en
Behavioral task
behavioral20
Sample
Codecs/MatroskaSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
Codecs/MpaSplitter.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
Codecs/MpaSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
Codecs/QMVSplitterFilter.dll
Resource
win7-20241010-en
Behavioral task
behavioral24
Sample
Codecs/QMVSplitterFilter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
Codecs/QmvbSplitter.dll
Resource
win7-20240708-en
Behavioral task
behavioral26
Sample
Codecs/QmvbSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
Codecs/QvodMpeg2Dec.dll
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
Codecs/QvodMpeg2Dec.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
Codecs/QvodSound.dll
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
Codecs/QvodSound.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
Codecs/QvodSource.dll
Resource
win7-20240729-en
Behavioral task
behavioral32
Sample
Codecs/QvodSource.dll
Resource
win10v2004-20241007-en
General
-
Target
$PLUGINSDIR/nsTools.dll
-
Size
262KB
-
MD5
69fcb9ae215b1397ae1f9751da7016d0
-
SHA1
da3816591f15fcdae48910fb632ee5d2f8c09d4d
-
SHA256
ba5b2e57997aae2ce636a76e8ffc536498bf3882d61648f30c169cc17fd1f342
-
SHA512
f9c6aa7b420b1e18ab7e7351f4d228e5b2fd047fc70e170b037efda0bca4b5ff146f6457f477aeaecf829e42d3c730530483c240e0b1de98aef217c2bcc56689
-
SSDEEP
3072:9FB2a5XgeSo6j3Yme+xJAqld5D2dyCFLJiHtiEgI3Y3b4nHNVAl7Uw7xN51I2Z:wa9gex67BxuMDD2dyCFhwY306lT7HI2
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3128 2332 WerFault.exe 83 -
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 3696 wrote to memory of 2332 3696 rundll32.exe 83 PID 3696 wrote to memory of 2332 3696 rundll32.exe 83 PID 3696 wrote to memory of 2332 3696 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsTools.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsTools.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2332 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 6243⤵
- Program crash
PID:3128
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2332 -ip 23321⤵PID:4088