Analysis
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max time kernel
96s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
04-03-2024 12:31
General
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Target
D867A6939E03FF1CCF63605DDDEA632E.exe
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Size
195KB
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MD5
d867a6939e03ff1ccf63605dddea632e
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SHA1
b04f4689ac1ecd317387b28fad290f15a68878d9
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SHA256
eecb4035c620f07749f4627e6c7243dd4053b4918c6d76e236374900d0dace3b
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SHA512
28a848f5411c8af9e046ff37507f96da84790bdaf140fbae1526ce980cb0142d47f957de3a3f1a36a6a12c6e32c28f6706f06d770e4948a6ae3f74c3c628fba2
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SSDEEP
1536:eZuhD5z28TC2PBttWjm38hPMsCoTgbSUPH4Lksi9WXU+pOk+G8wb/APcz+tBvqtu:7pmjm38QegbSKHanO1wbClvmYlVfm+
Malware Config
Extracted
blacknet
Windows Update
wOzx3g1DVutJaIF8JkCiLDWWDUVaGVAFT9MNNbf3GHejuL8mYQHtmLByJVduHMIIMCJOTkByRDSvMbknVYDMjFMd33ucCNGRd6rsd55Kjfz5N8toWqPtUAUWFp2VPBqwDphjXZsEuRw6KPvEHxNrRtmmNF3TSPIX5em2yZySCQTum749uJG4nmFWEHI/cH1NCAx4fFkBSOcgGykeOVQl1nGRgAHWZfv9g9qNaMeeu53b56HQWR/mZ6mTILTeO979h0iF42Y1WsHlP1Cd9xLI0jeNeBHY9FCS6EZPmLXKu/X9q8n26O7UQt6xg0ujFGbbUZ8glKZ26j6atQFXHOQGag==
BN[fEVvWhbt-6079003]
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antivm
true
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elevate_uac
true
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install_name
WindowsUpdate.exe
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splitter
|BN|
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start_name
35dcbc7eb742dd4f1edfbccf7826c724
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startup
true
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usb_spread
true
Signatures
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BlackNET
BlackNET is an open source remote access tool written in VB.NET.
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BlackNET payload 1 IoCs
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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.
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Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
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Executes dropped EXE 1 IoCs
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Windows security modification 2 TTPs 2 IoCs
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Adds Run key to start application 2 TTPs 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\D867A6939E03FF1CCF63605DDDEA632E.exe"C:\Users\Admin\AppData\Local\Temp\D867A6939E03FF1CCF63605DDDEA632E.exe"1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"2⤵
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
195KB
MD5d867a6939e03ff1ccf63605dddea632e
SHA1b04f4689ac1ecd317387b28fad290f15a68878d9
SHA256eecb4035c620f07749f4627e6c7243dd4053b4918c6d76e236374900d0dace3b
SHA51228a848f5411c8af9e046ff37507f96da84790bdaf140fbae1526ce980cb0142d47f957de3a3f1a36a6a12c6e32c28f6706f06d770e4948a6ae3f74c3c628fba2
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Filesize
2KB
MD58de91c4f830956990012f9fd1269e490
SHA15396852c5a98d586d3970638bebf52ac4d7da6b9
SHA2564b1f314ed0d2dd0aedd922297f2b16cce1d5716a24469b72a9e17ea43bc40433
SHA5124c0ef84683613edb6196a43e2da73c58203e080cdee1c4119ad6b3823db137fec0628eb7fa8f34a7da93aa142a13b001168959d59cb425ae858372b5d7f2d555
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Filesize
7KB
MD5cbb0e457beb164f21f31dc7fb1ab85d0
SHA19ec4dad4cae0864e947785f1704038ef0502d6cf
SHA2565db23a5bf3e1e68b6ed13482ea8efa5fde140c7e2339c9d476a740e7425b3300
SHA5125f9543d1cc366fec10b020910f5d53cec49ce6f9543b783a16606a514abbb315ef5edb440d55bfcabc03fc393299a440214ffa5822d9c2e8f1fa9fa9b7386b39
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Filesize
412KB
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Filesize
9.6MB
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Filesize
512KB
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Filesize
512KB
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Filesize
512KB
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Filesize
32KB
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Filesize
2.9MB
-
Filesize
9.6MB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
9.6MB
-
Filesize
9.6MB
-
Filesize
512KB
-
Filesize
9.6MB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
1024KB
-
Filesize
64KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
512KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
1024KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
32KB
-
Filesize
16KB
-
Filesize
16KB
-
Filesize
1024KB
-
Filesize
16KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
512KB
-
Filesize
64KB
-
Filesize
1024KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
9.6MB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
1024KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
512KB
-
Filesize
9.6MB
-
Filesize
512KB
-
Filesize
9.6MB
-
Filesize
9.6MB