blacknet | a7758f03d40f51f6c0b3f84e40fb7e5ae468fd315d6c4ea2b67b664d347fc98b

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2023 03:58

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General

Target

Test.exe
Size

75KB
MD5

8ce1041cce94737d4a36dbad504f4a78
SHA1

c4a49dcf6c6edff26b0514da03b155f2ac418a3c
SHA256

a7758f03d40f51f6c0b3f84e40fb7e5ae468fd315d6c4ea2b67b664d347fc98b
SHA512

bd694408ac0a128028557c4f77b82e4d581c3ddb4326804de0dd1e5547d9f5287f219ef3af92394e70d377e08e4f49d4530acb1941fdc090856b6e4d2bdfc162
SSDEEP

1536:hZuhD5z28TC268is9T8VPPQTgbSUPH4LU0tYwq:Gt19T89mgbSKHaUoYw

Score

10^/10

blacknet evasion trojan

Malware Config

Signatures

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

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	Test.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	Test.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	Test.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	Test.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
2492	Test.exe
4612	powershell.exe
4612	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	Test.exe
Token: SeDebugPrivilege	4612	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 4612	2492	Test.exe	86
PID 2492 wrote to memory of 4612	2492	Test.exe	86

C:\Users\Admin\AppData\Local\Temp\Test.exe
"C:\Users\Admin\AppData\Local\Temp\Test.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4byhtysg.jce.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2492-10-0x0000000001950000-0x0000000001960000-memory.dmp

Filesize
64KB

Download
memory/2492-5-0x0000000001950000-0x0000000001960000-memory.dmp

Filesize
64KB

Download
memory/2492-31-0x0000000001950000-0x0000000001960000-memory.dmp

Filesize
64KB

Download
memory/2492-30-0x0000000001950000-0x0000000001960000-memory.dmp

Filesize
64KB

Download
memory/2492-0-0x000000001BEE0000-0x000000001BF86000-memory.dmp

Filesize
664KB

Download
memory/2492-6-0x0000000001920000-0x0000000001928000-memory.dmp

Filesize
32KB

Download
memory/2492-7-0x000000001CBE0000-0x000000001CC2C000-memory.dmp

Filesize
304KB

Download
memory/2492-8-0x0000000001950000-0x0000000001960000-memory.dmp

Filesize
64KB

Download
memory/2492-9-0x000000001D5F0000-0x000000001D652000-memory.dmp

Filesize
392KB

Download
memory/2492-1-0x00007FFEB5C10000-0x00007FFEB65B1000-memory.dmp

Filesize
9.6MB

Download
memory/2492-4-0x00007FFEB5C10000-0x00007FFEB65B1000-memory.dmp

Filesize
9.6MB

Download
memory/2492-2-0x000000001C4A0000-0x000000001C96E000-memory.dmp

Filesize
4.8MB

Download
memory/2492-3-0x000000001CA80000-0x000000001CB1C000-memory.dmp

Filesize
624KB

Download
memory/2492-29-0x00007FFEB5C10000-0x00007FFEB65B1000-memory.dmp

Filesize
9.6MB

Download
memory/2492-27-0x00007FFEB5C10000-0x00007FFEB65B1000-memory.dmp

Filesize
9.6MB

Download
memory/4612-24-0x000001F855AD0000-0x000001F855AE0000-memory.dmp

Filesize
64KB

Download
memory/4612-23-0x000001F855AD0000-0x000001F855AE0000-memory.dmp

Filesize
64KB

Download
memory/4612-28-0x00007FFEB20B0000-0x00007FFEB2B71000-memory.dmp

Filesize
10.8MB

Download
memory/4612-22-0x000001F855AD0000-0x000001F855AE0000-memory.dmp

Filesize
64KB

Download
memory/4612-21-0x00007FFEB20B0000-0x00007FFEB2B71000-memory.dmp

Filesize
10.8MB

Download
memory/4612-11-0x000001F855A70000-0x000001F855A92000-memory.dmp

Filesize
136KB

Download