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
120s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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-32.dll
-
Size
125KB
-
MD5
2f808ed0642bd5cf8d4111e0af098bbb
-
SHA1
006163a07052f3d227c2e541691691b4567f5550
-
SHA256
61dfb6126eba8d5429f156eaab24ff30312580b0abe4009670f1dd0bc64f87bb
-
SHA512
27dbda3a922747a031ff7434de5a596725ff5ae2bc6dd83d6d5565eb2ba180b0516896323294459997b545c60c9e06da6c2d8dd462a348a6759a404db0f023a7
-
SSDEEP
3072:uN77TJSG78+5Orcj5K/e2Hrgc6kZAn1yEkBKMKy1Zf22QYHJiuzTl8ShzzM+64mn:uNXd178+5fJZnQLo
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2300 wrote to memory of 2220 2300 rundll32.exe 28 PID 2300 wrote to memory of 2220 2300 rundll32.exe 28 PID 2300 wrote to memory of 2220 2300 rundll32.exe 28 PID 2300 wrote to memory of 2220 2300 rundll32.exe 28 PID 2300 wrote to memory of 2220 2300 rundll32.exe 28 PID 2300 wrote to memory of 2220 2300 rundll32.exe 28 PID 2300 wrote to memory of 2220 2300 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\v1773\bin\JavaAccessBridge-32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\v1773\bin\JavaAccessBridge-32.dll,#12⤵PID:2220
-