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

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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\df7427b5e05183e625345c3c37ef31c0 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\df7427b5e05183e625345c3c37ef31c0 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\MyClient\\WindowsUpdate.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
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

description pid process

Token: SeDebugPrivilege 2040 b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

description	pid	process
Token: SeDebugPrivilege	2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

pid	process
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
2040	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.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
PID:2040

C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
2⤵
PID:1348

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

C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
4⤵
PID:1488

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/872-105-0x0000000000686000-0x00000000006A5000-memory.dmp

Filesize
124KB

Download
memory/872-104-0x000007FEEE530000-0x000007FEEF5C6000-memory.dmp

Filesize
16.6MB

Download
memory/872-103-0x000007FEF2CC0000-0x000007FEF36E3000-memory.dmp

Filesize
10.1MB

Download
memory/872-100-0x0000000000000000-mapping.dmp

Download
memory/1348-92-0x0000000000377000-0x000000000037B000-memory.dmp

Filesize
16KB

Download
memory/1348-85-0x0000000000373000-0x0000000000377000-memory.dmp

Filesize
16KB

Download
memory/1348-99-0x000000000034F000-0x0000000000352000-memory.dmp

Filesize
12KB

Download
memory/1348-98-0x000000000033B000-0x000000000033F000-memory.dmp

Filesize
16KB

Download
memory/1348-97-0x000000001D871000-0x000000001D879000-memory.dmp

Filesize
32KB

Download
memory/1348-67-0x0000000000000000-mapping.dmp

Download
memory/1348-84-0x0000000000357000-0x000000000035A000-memory.dmp

Filesize
12KB

Download
memory/1348-86-0x0000000000383000-0x000000000038B000-memory.dmp

Filesize
32KB

Download
memory/1348-70-0x000007FEF2CC0000-0x000007FEF36E3000-memory.dmp

Filesize
10.1MB

Download
memory/1348-71-0x000007FEEE530000-0x000007FEEF5C6000-memory.dmp

Filesize
16.6MB

Download
memory/1348-73-0x0000000000316000-0x0000000000335000-memory.dmp

Filesize
124KB

Download
memory/1348-74-0x000000000034A000-0x000000000034D000-memory.dmp

Filesize
12KB

Download
memory/1348-75-0x000000000034A000-0x000000000034D000-memory.dmp

Filesize
12KB

Download
memory/1348-77-0x0000000000367000-0x000000000036B000-memory.dmp

Filesize
16KB

Download
memory/1348-82-0x0000000000343000-0x000000000034D000-memory.dmp

Filesize
40KB

Download
memory/1348-81-0x000000000033B000-0x000000000033E000-memory.dmp

Filesize
12KB

Download
memory/1348-80-0x0000000000340000-0x0000000000347000-memory.dmp

Filesize
28KB

Download
memory/1348-79-0x000000000033B000-0x000000000033E000-memory.dmp

Filesize
12KB

Download
memory/1348-78-0x0000000000363000-0x0000000000367000-memory.dmp

Filesize
16KB

Download
memory/1348-76-0x000000000035F000-0x0000000000363000-memory.dmp

Filesize
16KB

Download
memory/1348-83-0x000000000036B000-0x000000000036F000-memory.dmp

Filesize
16KB

Download
memory/1348-89-0x0000000000347000-0x000000000034D000-memory.dmp

Filesize
24KB

Download
memory/1348-87-0x000000001D879000-0x000000001D881000-memory.dmp

Filesize
32KB

Download
memory/1348-88-0x0000000000353000-0x0000000000356000-memory.dmp

Filesize
12KB

Download
memory/1348-96-0x000000001D869000-0x000000001D871000-memory.dmp

Filesize
32KB

Download
memory/1348-95-0x000000001D860000-0x000000001D869000-memory.dmp

Filesize
36KB

Download
memory/1348-94-0x000000000037F000-0x0000000000383000-memory.dmp

Filesize
16KB

Download
memory/1348-93-0x000000000037B000-0x000000000037F000-memory.dmp

Filesize
16KB

Download
memory/1348-90-0x0000000000363000-0x000000000036A000-memory.dmp

Filesize
28KB

Download
memory/1348-91-0x000000000036F000-0x0000000000373000-memory.dmp

Filesize
16KB

Download
memory/2040-63-0x0000000000135000-0x0000000000138000-memory.dmp

Filesize
12KB

Download
memory/2040-64-0x0000000000144000-0x000000000014A000-memory.dmp

Filesize
24KB

Download
memory/2040-62-0x0000000000144000-0x0000000000149000-memory.dmp

Filesize
20KB

Download
memory/2040-61-0x000000000012F000-0x0000000000132000-memory.dmp

Filesize
12KB

Download
memory/2040-66-0x000000000012D000-0x0000000000130000-memory.dmp

Filesize
12KB

Download
memory/2040-65-0x0000000000145000-0x000000000014A000-memory.dmp

Filesize
20KB

Download
memory/2040-54-0x000007FEF2CC0000-0x000007FEF36E3000-memory.dmp

Filesize
10.1MB

Download
memory/2040-60-0x0000000000121000-0x0000000000126000-memory.dmp

Filesize
20KB

Download
memory/2040-59-0x000000000012D000-0x0000000000130000-memory.dmp

Filesize
12KB

Download
memory/2040-58-0x0000000000135000-0x0000000000138000-memory.dmp

Filesize
12KB

Download
memory/2040-57-0x00000000000F6000-0x0000000000115000-memory.dmp

Filesize
124KB

Download
memory/2040-56-0x000007FEFC0C1000-0x000007FEFC0C3000-memory.dmp

Filesize
8KB

Download
memory/2040-55-0x000007FEEE530000-0x000007FEEF5C6000-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