Analysis
- max time kernel
79s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
26/01/2024, 12:30
General
- Target tmp.exe
- Size 1.1MB
- Sample240126-ppe7eaded5
- SHA256 14490c9c139e9bc984781f8143a571e1f1f140c69a7cd12c34fc0bf20abb0889
Malware Config
Extracted
-
blacknet
-
v3.7.0 Public
-
HacKed
-
http://190.123.44.240
-
BN[]
-
antivm
false
-
elevate_uac
false
-
install_name
WindowsUpdate.exe
-
splitter
|BN|
-
start_name
e162b1333458a713bc6916cc8ac4110c
-
startup
true
-
usb_spread
false
Signatures
- BlackNET
BlackNET is an open source remote access tool written in VB.NET.
- BlackNET payload 2 IoCs
- Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- Detect ZGRat V1 34 IoCs
- ZGRat
ZGRat is remote access trojan written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 3 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmp.exeC:\Users\Admin\AppData\Local\Temp\tmp.exe2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"3⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exeC:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe4⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exeC:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp.exe.log
WindowsUpdate.exe
memory/2052-951-0x00000000050A0000-0x000000000513C000-memory.dmp
memory/2052-952-0x0000000005200000-0x0000000005292000-memory.dmp
memory/2052-954-0x0000000005180000-0x000000000518A000-memory.dmp
memory/2052-950-0x0000000074870000-0x0000000075020000-memory.dmp
memory/2052-948-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2052-953-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/2052-955-0x00000000053F0000-0x0000000005446000-memory.dmp
memory/2052-956-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/2052-977-0x0000000074870000-0x0000000075020000-memory.dmp
memory/2052-957-0x0000000008C10000-0x0000000008C76000-memory.dmp
memory/2728-1915-0x0000000074870000-0x0000000075020000-memory.dmp
memory/2728-970-0x0000000074870000-0x0000000075020000-memory.dmp
memory/2728-972-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/2728-1905-0x0000000005190000-0x0000000005191000-memory.dmp
memory/2728-1906-0x0000000074870000-0x0000000075020000-memory.dmp
memory/2728-1907-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/3356-1916-0x0000000074870000-0x0000000075020000-memory.dmp
memory/3356-1917-0x0000000005B60000-0x0000000005B70000-memory.dmp
memory/3356-1918-0x0000000074870000-0x0000000075020000-memory.dmp
memory/3356-1919-0x0000000005B60000-0x0000000005B70000-memory.dmp
memory/3356-1920-0x0000000005B60000-0x0000000005B70000-memory.dmp
memory/3936-50-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-38-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-28-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-26-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-24-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-22-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-20-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-18-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-16-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-14-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-12-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-8-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-6-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-5-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-937-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
memory/3936-939-0x0000000004CC0000-0x0000000004D0C000-memory.dmp
memory/3936-938-0x0000000004C50000-0x0000000004C86000-memory.dmp
memory/3936-940-0x0000000074870000-0x0000000075020000-memory.dmp
memory/3936-941-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/3936-942-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/3936-34-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-36-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-949-0x0000000074870000-0x0000000075020000-memory.dmp
memory/3936-30-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-40-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-42-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-46-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-48-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-0-0x00000000000E0000-0x0000000000208000-memory.dmp
memory/3936-52-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-54-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-56-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-60-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-68-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-64-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-66-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-62-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-58-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-44-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-32-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-10-0x0000000004B10000-0x0000000004BA9000-memory.dmp
memory/3936-3-0x0000000004A50000-0x0000000004AEE000-memory.dmp
memory/3936-4-0x0000000004B10000-0x0000000004BAE000-memory.dmp
memory/3936-2-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/3936-1-0x0000000074870000-0x0000000075020000-memory.dmp