Overview
overview
3Static
static
3NexaByte Launcher.exe
windows7-x64
1NexaByte Launcher.exe
windows10-2004-x64
1v1773/Welcome.html
windows7-x64
1v1773/Welcome.html
windows10-2004-x64
1v1773/bin/...32.dll
windows7-x64
1v1773/bin/...32.dll
windows10-2004-x64
1v1773/bin/...ge.dll
windows7-x64
1v1773/bin/...ge.dll
windows10-2004-x64
1v1773/bin/...32.dll
windows7-x64
1v1773/bin/...32.dll
windows10-2004-x64
1v1773/bin/...ge.dll
windows7-x64
1v1773/bin/...ge.dll
windows10-2004-x64
1v1773/bin/...32.dll
windows7-x64
3v1773/bin/...32.dll
windows10-2004-x64
3v1773/bin/...ge.dll
windows7-x64
3v1773/bin/...ge.dll
windows10-2004-x64
3v1773/bin/awt.dll
windows7-x64
1v1773/bin/awt.dll
windows10-2004-x64
1v1773/bin/bci.dll
windows7-x64
3v1773/bin/bci.dll
windows10-2004-x64
3v1773/bin/...vm.dll
windows7-x64
3v1773/bin/...vm.dll
windows10-2004-x64
3v1773/bin/dcpr.dll
windows7-x64
1v1773/bin/dcpr.dll
windows10-2004-x64
1v1773/bin/...se.dll
windows7-x64
3v1773/bin/...se.dll
windows10-2004-x64
3v1773/bin/deploy.dll
windows7-x64
3v1773/bin/deploy.dll
windows10-2004-x64
3v1773/bin/...em.dll
windows7-x64
3v1773/bin/...em.dll
windows10-2004-x64
3v1773/bin/...et.dll
windows7-x64
1v1773/bin/...et.dll
windows10-2004-x64
1Analysis
-
max time kernel
127s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-03-2024 01:01
Static task
static1
Behavioral task
behavioral1
Sample
NexaByte Launcher.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
NexaByte Launcher.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
v1773/Welcome.html
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
v1773/Welcome.html
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
v1773/bin/JAWTAccessBridge-32.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
v1773/bin/JAWTAccessBridge-32.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
v1773/bin/JAWTAccessBridge.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
v1773/bin/JAWTAccessBridge.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
v1773/bin/JavaAccessBridge-32.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
v1773/bin/JavaAccessBridge-32.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
v1773/bin/JavaAccessBridge.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
v1773/bin/JavaAccessBridge.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
v1773/bin/WindowsAccessBridge-32.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
v1773/bin/WindowsAccessBridge-32.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
v1773/bin/WindowsAccessBridge.dll
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
v1773/bin/WindowsAccessBridge.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
v1773/bin/awt.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
v1773/bin/awt.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
v1773/bin/bci.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
v1773/bin/bci.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
v1773/bin/client/jvm.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
v1773/bin/client/jvm.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
v1773/bin/dcpr.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
v1773/bin/dcpr.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
v1773/bin/decora_sse.dll
Resource
win7-20240215-en
Behavioral task
behavioral26
Sample
v1773/bin/decora_sse.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
v1773/bin/deploy.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
v1773/bin/deploy.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
v1773/bin/dt_shmem.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
v1773/bin/dt_shmem.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
v1773/bin/dt_socket.dll
Resource
win7-20240220-en
Behavioral task
behavioral32
Sample
v1773/bin/dt_socket.dll
Resource
win10v2004-20240226-en
General
-
Target
v1773/bin/JavaAccessBridge.dll
-
Size
124KB
-
MD5
c3ded5f41e28faf89338fb46382e4c3e
-
SHA1
6f77920776d39550355b146d672c199a3941f908
-
SHA256
4691603dfabe6d7b7beac887dadc0e96243c2ff4f9a88ce3793e93356c53aa08
-
SHA512
23621f2856899f40cfa9858dc277372bfe39f0205377543eb23e94422d479a53fdf664f4a9a4515c2285811f01d91ab64a834a03a4d3ab0cb7d78f8af11135ff
-
SSDEEP
3072:SdQ4jWJt4XChlFavveKSQ4gHK/e2Hrgc6kZAn1y1koKMKy1Zf22QYHJiuzTl8ShM:Sy4SJ1TFavvehc7ZnwEr
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4684 wrote to memory of 4772 4684 rundll32.exe 90 PID 4684 wrote to memory of 4772 4684 rundll32.exe 90 PID 4684 wrote to memory of 4772 4684 rundll32.exe 90
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\v1773\bin\JavaAccessBridge.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\v1773\bin\JavaAccessBridge.dll,#12⤵PID:4772
-