Analysis
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max time kernel
81s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25/05/2022, 14:00
General
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Target
b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
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Size
131KB
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MD5
c4f79edc4498c5570495bb36fc942134
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SHA1
00046b588252502480e8e708a22d25ae1d9b05fa
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SHA256
b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09
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SHA512
07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef
Malware Config
Extracted
blacknet
v3.5 Public
HacKed
http://finalb.xyz/NiggaNet
BN[RqfcWolJ-7232457]
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antivm
true
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elevate_uac
false
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install_name
WindowsUpdate.exe
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splitter
|BN|
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start_name
df7427b5e05183e625345c3c37ef31c0
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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 2 IoCs
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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.
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"1⤵
- 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
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C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
131KB
MD5c4f79edc4498c5570495bb36fc942134
SHA100046b588252502480e8e708a22d25ae1d9b05fa
SHA256b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09
SHA51207bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef
-
Filesize
131KB
MD5c4f79edc4498c5570495bb36fc942134
SHA100046b588252502480e8e708a22d25ae1d9b05fa
SHA256b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09
SHA51207bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef
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Filesize
17KB
MD589dd6e72358a669b7d6e2348307a7af7
SHA10db348f3c6114a45d71f4d218e0e088b71c7bb0a
SHA256ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e
SHA51293b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b
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Filesize
17KB
MD589dd6e72358a669b7d6e2348307a7af7
SHA10db348f3c6114a45d71f4d218e0e088b71c7bb0a
SHA256ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e
SHA51293b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b
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Filesize
12KB
-
Filesize
44KB
-
Filesize
20KB
-
Filesize
20KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
36KB
-
Filesize
20KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
20KB
-
Filesize
20KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
12KB
-
Filesize
20KB
-
Filesize
44KB
-
Filesize
20KB