Analysis
- max time kernel
132s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
20/03/2022, 00:57
General
- Target 2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe
- Size 116KB
- Sample220320-ba3r9sdfbl
- SHA256 2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19
Malware Config
Extracted
-
blacknet
-
v3.7.0 Public
-
CN32mX
-
http://theblogreader-blog.wtf/panel/
-
BN[64edd583e1917b9564d89cb984d089c0]
-
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 1 IoCs
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- Drops file in Windows directory 12 IoCs
- Program crash 2 IoCs
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe"C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe"1⤵
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2408 -s 12402⤵
- Program crash
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2408 -s 12602⤵
- Program crash
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 188 -p 2408 -ip 24081⤵
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 372 -p 2408 -ip 24081⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2408-134-0x0000000000270000-0x0000000000292000-memory.dmp
memory/2408-135-0x00007FFA5B1A0000-0x00007FFA5BC61000-memory.dmp
memory/2408-136-0x000000001C420000-0x000000001C422000-memory.dmp
memory/3904-137-0x0000011DDE170000-0x0000011DDE180000-memory.dmp
memory/3904-138-0x0000011DDEB60000-0x0000011DDEB70000-memory.dmp
memory/3904-139-0x0000011DE10F0000-0x0000011DE10F4000-memory.dmp
memory/3904-140-0x0000011DE1410000-0x0000011DE1414000-memory.dmp
memory/3904-141-0x0000011DE1410000-0x0000011DE1414000-memory.dmp