blacknet | b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

General

Target

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
Size

131KB
MD5

c4f79edc4498c5570495bb36fc942134
SHA1

00046b588252502480e8e708a22d25ae1d9b05fa
SHA256

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09
SHA512

07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

Score

10^/10

blacknet hacked persistence trojan

Malware Config

Extracted

Family

blacknet

Version

v3.5 Public

Botnet

HacKed

C2

http://finalb.xyz/NiggaNet

Mutex

BN[RqfcWolJ-7232457]

Attributes

antivm
true
elevate_uac
false
install_name
WindowsUpdate.exe
splitter
|BN|
start_name
df7427b5e05183e625345c3c37ef31c0
startup
true
usb_spread
true

aes.plain

Signatures

BlackNET
BlackNET is an open source remote access tool written in VB.NET.
trojan blacknet

BlackNET Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe	family_blacknet
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe	family_blacknet

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.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe	disable_win_def
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe	disable_win_def

Executes dropped EXE 1 IoCs

Processes:

WindowsUpdate.exe

pid process

1584 WindowsUpdate.exe

pid	process
1584	WindowsUpdate.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\df7427b5e05183e625345c3c37ef31c0 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\MyClient\\WindowsUpdate.exe"	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\df7427b5e05183e625345c3c37ef31c0 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

pid	process
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

description pid process

Token: SeDebugPrivilege 1448 b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

description	pid	process
Token: SeDebugPrivilege	1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

pid	process
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

description	pid	process	target process
PID 1448 wrote to memory of 1584	1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe	WindowsUpdate.exe
PID 1448 wrote to memory of 1584	1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe	WindowsUpdate.exe
PID 1448 wrote to memory of 1584	1448	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe	WindowsUpdate.exe

C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
"C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
2⤵
- Executes dropped EXE
PID:1584

C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
3⤵
PID:872

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
Filesize
131KB

MD5
c4f79edc4498c5570495bb36fc942134

SHA1
00046b588252502480e8e708a22d25ae1d9b05fa

SHA256
b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

SHA512
07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
Filesize
131KB

MD5
c4f79edc4498c5570495bb36fc942134

SHA1
00046b588252502480e8e708a22d25ae1d9b05fa

SHA256
b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

SHA512
07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
Filesize
17KB

MD5
89dd6e72358a669b7d6e2348307a7af7

SHA1
0db348f3c6114a45d71f4d218e0e088b71c7bb0a

SHA256
ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

SHA512
93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
Filesize
17KB

MD5
89dd6e72358a669b7d6e2348307a7af7

SHA1
0db348f3c6114a45d71f4d218e0e088b71c7bb0a

SHA256
ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

SHA512
93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

Download Submit
memory/872-90-0x0000000000386000-0x00000000003A5000-memory.dmp

Filesize
124KB

Download
memory/872-89-0x000007FEF28C0000-0x000007FEF3956000-memory.dmp

Filesize
16.6MB

Download
memory/872-86-0x0000000000000000-mapping.dmp

Download
memory/1448-72-0x00000000009F4000-0x0000000000A00000-memory.dmp

Filesize
48KB

Download
memory/1448-54-0x000007FEF28C0000-0x000007FEF3956000-memory.dmp

Filesize
16.6MB

Download
memory/1448-63-0x00000000009DB000-0x00000000009E4000-memory.dmp

Filesize
36KB

Download
memory/1448-64-0x0000000000A0C000-0x0000000000A10000-memory.dmp

Filesize
16KB

Download
memory/1448-65-0x0000000000A10000-0x0000000000A14000-memory.dmp

Filesize
16KB

Download
memory/1448-66-0x00000000009EC000-0x00000000009F2000-memory.dmp

Filesize
24KB

Download
memory/1448-67-0x00000000009ED000-0x00000000009F2000-memory.dmp

Filesize
20KB

Download
memory/1448-68-0x0000000000A0C000-0x0000000000A13000-memory.dmp

Filesize
28KB

Download
memory/1448-69-0x0000000000A0C000-0x0000000000A13000-memory.dmp

Filesize
28KB

Download
memory/1448-71-0x00000000009F3000-0x00000000009F6000-memory.dmp

Filesize
12KB

Download
memory/1448-70-0x00000000009F3000-0x00000000009F6000-memory.dmp

Filesize
12KB

Download
memory/1448-59-0x00000000009EF000-0x00000000009F2000-memory.dmp

Filesize
12KB

Download
memory/1448-74-0x00000000009EE000-0x00000000009F2000-memory.dmp

Filesize
16KB

Download
memory/1448-73-0x0000000000A0D000-0x0000000000A13000-memory.dmp

Filesize
24KB

Download
memory/1448-75-0x00000000009EC000-0x00000000009F2000-memory.dmp

Filesize
24KB

Download
memory/1448-62-0x0000000000A04000-0x0000000000A07000-memory.dmp

Filesize
12KB

Download
memory/1448-61-0x00000000009F4000-0x00000000009F8000-memory.dmp

Filesize
16KB

Download
memory/1448-60-0x00000000009F3000-0x0000000000A04000-memory.dmp

Filesize
68KB

Download
memory/1448-55-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

Filesize
8KB

Download
memory/1448-56-0x00000000009B6000-0x00000000009D5000-memory.dmp

Filesize
124KB

Download
memory/1448-57-0x00000000009FB000-0x00000000009FE000-memory.dmp

Filesize
12KB

Download
memory/1448-58-0x00000000009ED000-0x00000000009F2000-memory.dmp

Filesize
20KB

Download
memory/1584-76-0x0000000000000000-mapping.dmp

Download
memory/1584-85-0x0000000000B3A000-0x0000000000B3F000-memory.dmp

Filesize
20KB

Download
memory/1584-84-0x0000000000B39000-0x0000000000B3F000-memory.dmp

Filesize
24KB

Download
memory/1584-83-0x0000000000B51000-0x0000000000B55000-memory.dmp

Filesize
16KB

Download
memory/1584-82-0x0000000000B4D000-0x0000000000B51000-memory.dmp

Filesize
16KB

Download
memory/1584-81-0x0000000000B06000-0x0000000000B25000-memory.dmp

Filesize
124KB

Download
memory/1584-79-0x000007FEF28C0000-0x000007FEF3956000-memory.dmp

Filesize
16.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads