Analysis
- max time kernel
76s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
07/02/2024, 06:23
General
- Target tmp.exe
- Size 1.1MB
- Sample240207-g5f5msfbgp
- 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 4 IoCs
- Contains code to disable Windows Defender 4 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
WindowsUpdate.exe
WindowsUpdate.exe
WindowsUpdate.exe
memory/216-1921-0x0000000005760000-0x0000000005770000-memory.dmp
memory/216-1919-0x0000000005760000-0x0000000005770000-memory.dmp
memory/216-1918-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/216-1917-0x0000000005760000-0x0000000005770000-memory.dmp
memory/216-1920-0x0000000005760000-0x0000000005770000-memory.dmp
memory/216-1916-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/3364-1907-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/3364-971-0x0000000002970000-0x0000000002980000-memory.dmp
memory/3364-1906-0x0000000005120000-0x0000000005121000-memory.dmp
memory/3364-970-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/3364-1915-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/3824-6-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-948-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/3824-58-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-56-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-54-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-48-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-40-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-38-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-36-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-34-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-32-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-28-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-26-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-24-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-22-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-20-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-16-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-14-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-12-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-0-0x0000000000090000-0x00000000001B8000-memory.dmp
memory/3824-5-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-937-0x0000000004B90000-0x0000000004B91000-memory.dmp
memory/3824-939-0x0000000004D70000-0x0000000004DBC000-memory.dmp
memory/3824-938-0x0000000004D00000-0x0000000004D36000-memory.dmp
memory/3824-940-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/3824-941-0x0000000004A30000-0x0000000004A40000-memory.dmp
memory/3824-942-0x0000000005720000-0x0000000005CC4000-memory.dmp
memory/3824-60-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-1-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/3824-2-0x0000000004A30000-0x0000000004A40000-memory.dmp
memory/3824-3-0x0000000004A40000-0x0000000004ADE000-memory.dmp
memory/3824-4-0x0000000004AE0000-0x0000000004B7E000-memory.dmp
memory/3824-8-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-10-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-18-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-30-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-42-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-46-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-64-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-66-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-68-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-62-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-52-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-44-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/3824-50-0x0000000004AE0000-0x0000000004B79000-memory.dmp
memory/4212-981-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/4212-957-0x00000000094B0000-0x0000000009516000-memory.dmp
memory/4212-956-0x0000000005A80000-0x0000000005A90000-memory.dmp
memory/4212-955-0x0000000005A80000-0x0000000005A90000-memory.dmp
memory/4212-953-0x0000000005A20000-0x0000000005A2A000-memory.dmp
memory/4212-954-0x0000000005CA0000-0x0000000005CF6000-memory.dmp
memory/4212-952-0x0000000005A80000-0x0000000005A90000-memory.dmp
memory/4212-951-0x0000000005AB0000-0x0000000005B42000-memory.dmp
memory/4212-950-0x0000000005930000-0x00000000059CC000-memory.dmp
memory/4212-949-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4212-947-0x00000000748D0000-0x0000000075080000-memory.dmp