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

1768 WindowsUpdate.exe

pid	process
1768	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\\Local\\Temp\\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.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\\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
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exeWindowsUpdate.exe

description	pid	process
Token: SeDebugPrivilege	972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
Token: SeDebugPrivilege	1768	WindowsUpdate.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exeWindowsUpdate.exe

pid	process
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
1768	WindowsUpdate.exe
1768	WindowsUpdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

description	pid	process	target process
PID 972 wrote to memory of 1768	972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe	WindowsUpdate.exe
PID 972 wrote to memory of 1768	972	b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe	WindowsUpdate.exe
PID 972 wrote to memory of 1768	972	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:972

C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1768

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

Replay Monitor

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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
memory/972-78-0x000000001EBC9000-0x000000001EBD9000-memory.dmp

Filesize
64KB

Download
memory/972-109-0x000000001FC81000-0x000000001FCA1000-memory.dmp

Filesize
128KB

Download
memory/972-56-0x0000000000526000-0x0000000000545000-memory.dmp

Filesize
124KB

Download
memory/972-57-0x0000000000561000-0x0000000000564000-memory.dmp

Filesize
12KB

Download
memory/972-58-0x0000000000559000-0x000000000055D000-memory.dmp

Filesize
16KB

Download
memory/972-59-0x0000000000559000-0x000000000055C000-memory.dmp

Filesize
12KB

Download
memory/972-60-0x000000000054C000-0x0000000000557000-memory.dmp

Filesize
44KB

Download
memory/972-61-0x000000000056D000-0x0000000000571000-memory.dmp

Filesize
16KB

Download
memory/972-62-0x0000000000571000-0x0000000000575000-memory.dmp

Filesize
16KB

Download
memory/972-63-0x0000000000575000-0x0000000000579000-memory.dmp

Filesize
16KB

Download
memory/972-64-0x0000000000579000-0x000000000057D000-memory.dmp

Filesize
16KB

Download
memory/972-65-0x000000000057D000-0x0000000000581000-memory.dmp

Filesize
16KB

Download
memory/972-66-0x0000000000581000-0x0000000000585000-memory.dmp

Filesize
16KB

Download
memory/972-67-0x0000000000585000-0x0000000000589000-memory.dmp

Filesize
16KB

Download
memory/972-68-0x0000000000589000-0x000000000058D000-memory.dmp

Filesize
16KB

Download
memory/972-69-0x000000000058D000-0x0000000000595000-memory.dmp

Filesize
32KB

Download
memory/972-70-0x0000000000595000-0x00000000005A0000-memory.dmp

Filesize
44KB

Download
memory/972-71-0x000000001EB90000-0x000000001EB99000-memory.dmp

Filesize
36KB

Download
memory/972-72-0x000000001EB99000-0x000000001EBA1000-memory.dmp

Filesize
32KB

Download
memory/972-73-0x000000001EBA1000-0x000000001EBA9000-memory.dmp

Filesize
32KB

Download
memory/972-74-0x000000001EBA9000-0x000000001EBB1000-memory.dmp

Filesize
32KB

Download
memory/972-75-0x000000001EBB1000-0x000000001EBB9000-memory.dmp

Filesize
32KB

Download
memory/972-76-0x0000000000585000-0x0000000000588000-memory.dmp

Filesize
12KB

Download
memory/972-77-0x000000001EBB9000-0x000000001EBC1000-memory.dmp

Filesize
32KB

Download
memory/972-80-0x0000000000565000-0x000000000056A000-memory.dmp

Filesize
20KB

Download
memory/972-79-0x000000001EBC1000-0x000000001EBC9000-memory.dmp

Filesize
32KB

Download
memory/972-54-0x000007FEF2E40000-0x000007FEF3ED6000-memory.dmp

Filesize
16.6MB

Download
memory/972-82-0x000000001EB99000-0x000000001EBA0000-memory.dmp

Filesize
28KB

Download
memory/972-55-0x000007FEFBDA1000-0x000007FEFBDA3000-memory.dmp

Filesize
8KB

Download
memory/972-81-0x000000000054E000-0x0000000000553000-memory.dmp

Filesize
20KB

Download
memory/972-84-0x000000000055B000-0x000000000055F000-memory.dmp

Filesize
16KB

Download
memory/972-85-0x0000000000595000-0x000000000059F000-memory.dmp

Filesize
40KB

Download
memory/972-86-0x000000001EBE9000-0x000000001EBF9000-memory.dmp

Filesize
64KB

Download
memory/972-88-0x000000000056D000-0x0000000000580000-memory.dmp

Filesize
76KB

Download
memory/972-87-0x000000001EBF9000-0x000000001EC09000-memory.dmp

Filesize
64KB

Download
memory/972-90-0x000000001EC19000-0x000000001EC29000-memory.dmp

Filesize
64KB

Download
memory/972-91-0x000000001FBE1000-0x000000001FC01000-memory.dmp

Filesize
128KB

Download
memory/972-89-0x000000001EC09000-0x000000001EC19000-memory.dmp

Filesize
64KB

Download
memory/972-92-0x000000001EC29000-0x000000001EC39000-memory.dmp

Filesize
64KB

Download
memory/972-93-0x000000001EC39000-0x000000001EC49000-memory.dmp

Filesize
64KB

Download
memory/972-94-0x000000001EC49000-0x000000001EC69000-memory.dmp

Filesize
128KB

Download
memory/972-95-0x000000001EC69000-0x000000001EC89000-memory.dmp

Filesize
128KB

Download
memory/972-96-0x000000001FBA0000-0x000000001FBC1000-memory.dmp

Filesize
132KB

Download
memory/972-97-0x000000001FC01000-0x000000001FC21000-memory.dmp

Filesize
128KB

Download
memory/972-98-0x000000001FBC1000-0x000000001FBE1000-memory.dmp

Filesize
128KB

Download
memory/972-105-0x000000001FC21000-0x000000001FC41000-memory.dmp

Filesize
128KB

Download
memory/972-107-0x000000001FC41000-0x000000001FC61000-memory.dmp

Filesize
128KB

Download
memory/972-83-0x000000001EBD9000-0x000000001EBE9000-memory.dmp

Filesize
64KB

Download
memory/972-108-0x000000001FC61000-0x000000001FC81000-memory.dmp

Filesize
128KB

Download
memory/972-106-0x000000001FCA1000-0x000000001FCC1000-memory.dmp

Filesize
128KB

Download
memory/1768-99-0x0000000000000000-mapping.dmp

Download
memory/1768-102-0x000007FEF2E40000-0x000007FEF3ED6000-memory.dmp

Filesize
16.6MB

Download
memory/1768-104-0x0000000001F16000-0x0000000001F35000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads