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
148s -
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
NexaByte Launcher.exe
-
Size
18.3MB
-
MD5
930282d90b92b381ab089847952f71ce
-
SHA1
af490ea123c879490e32985b45ac48859b70b0d8
-
SHA256
c6aff9c623bf6f254bd78e6ab3fdccb6a8402981708e801345d9fbc81d622c88
-
SHA512
5819f177751c0ef344a61d2a666a406b1e5e08d9756f710fb5a146ef21a6e106bc9b46b6d039403a325715a9330f8590c1bf0491040c1d63bd8ae6533318a931
-
SSDEEP
393216:f00cMwBDHJacJEE6ZElIlTFGw0CKM8FZPG6IOyS/Uv/PhH7:f1cMw5P6d8ITFGCkFOe0b
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2904 wrote to memory of 4688 2904 NexaByte Launcher.exe 89 PID 2904 wrote to memory of 4688 2904 NexaByte Launcher.exe 89 PID 2904 wrote to memory of 4688 2904 NexaByte Launcher.exe 89 PID 2904 wrote to memory of 4216 2904 NexaByte Launcher.exe 91 PID 2904 wrote to memory of 4216 2904 NexaByte Launcher.exe 91 PID 2904 wrote to memory of 4216 2904 NexaByte Launcher.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\NexaByte Launcher.exe"C:\Users\Admin\AppData\Local\Temp\NexaByte Launcher.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Users\Admin\AppData\Local\Temp\v1773\bin\javaw.exe"C:\Users\Admin\AppData\Local\Temp\v1773\bin\javaw.exe" -version2⤵PID:4688
-
-
C:\Users\Admin\AppData\Local\Temp\v1773\bin\javaw.exe"C:\Users\Admin\AppData\Local\Temp\v1773\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\NexaByte Launcher.exe"2⤵PID:4216
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
56B
MD5f4445dc2a860d5d1c728c9bacec6f4c1
SHA1cb28d2e0c2d43e6c7a6caa4a782273ccf086ffd2
SHA256a0b5faee87d687a5fa12d9f2253bd0460d67ccb7ee990d3a49f49b475669a4f1
SHA51206149542a62d7c0202eb737beca268377575526d5d87ca05a0ed8ef0d68b3063791922a5e1afe3d78ed355e63288e165e5de255af89ad7dca1c45979fdb57fef