njrat | 6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100

General

Target

70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe
Size

31KB
MD5

70d8a4cfe8f75bef1d5cea3ba0cca2d0
SHA1

636d0bb422ed168d310a31160d69aef1aec90d68
SHA256

6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100
SHA512

31ae3fc6ff416925040d4a7aa40d46b411786c1269c6fbdb0386a05cd5211774c2c0cd13dddecbcec2e3919278cd2c659549a7d7f74355bda3f81e8b196cc561
SSDEEP

768:ZRZghV5VXPKzxF+dt+XKvJ+rvaPQmIDUu0tipcj:mfqciMQVkzj

Score

10^/10

njrat mybot evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

myvnc.myftp.biz:5552

Mutex

4d303b772c7c7805c5e01990e7310d1a

Attributes

reg_key
4d303b772c7c7805c5e01990e7310d1a
splitter
Y262SUCZ4UJJ

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Processes:

netsh.exe

pid process

2480 netsh.exe

pid	process
2480	netsh.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4d303b772c7c7805c5e01990e7310d1a.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4d303b772c7c7805c5e01990e7310d1a.exe	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2736 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe

pid process

2388 70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe

pid	process
2736	svchost.exe

pid	process
2388	70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\4d303b772c7c7805c5e01990e7310d1a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4d303b772c7c7805c5e01990e7310d1a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exesvchost.exe

description	pid	process	target process
PID 2388 wrote to memory of 2736	2388	70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe	svchost.exe
PID 2388 wrote to memory of 2736	2388	70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe	svchost.exe
PID 2388 wrote to memory of 2736	2388	70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe	svchost.exe
PID 2388 wrote to memory of 2736	2388	70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe	svchost.exe
PID 2736 wrote to memory of 2480	2736	svchost.exe	netsh.exe
PID 2736 wrote to memory of 2480	2736	svchost.exe	netsh.exe
PID 2736 wrote to memory of 2480	2736	svchost.exe	netsh.exe
PID 2736 wrote to memory of 2480	2736	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe
"C:\Users\Admin\AppData\Local\Temp\70D8A4CFE8F75BEF1D5CEA3BA0CCA2D0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2388

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2480

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
31KB

MD5
70d8a4cfe8f75bef1d5cea3ba0cca2d0

SHA1
636d0bb422ed168d310a31160d69aef1aec90d68

SHA256
6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100

SHA512
31ae3fc6ff416925040d4a7aa40d46b411786c1269c6fbdb0386a05cd5211774c2c0cd13dddecbcec2e3919278cd2c659549a7d7f74355bda3f81e8b196cc561

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
31KB

MD5
70d8a4cfe8f75bef1d5cea3ba0cca2d0

SHA1
636d0bb422ed168d310a31160d69aef1aec90d68

SHA256
6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100

SHA512
31ae3fc6ff416925040d4a7aa40d46b411786c1269c6fbdb0386a05cd5211774c2c0cd13dddecbcec2e3919278cd2c659549a7d7f74355bda3f81e8b196cc561

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
31KB

MD5
70d8a4cfe8f75bef1d5cea3ba0cca2d0

SHA1
636d0bb422ed168d310a31160d69aef1aec90d68

SHA256
6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100

SHA512
31ae3fc6ff416925040d4a7aa40d46b411786c1269c6fbdb0386a05cd5211774c2c0cd13dddecbcec2e3919278cd2c659549a7d7f74355bda3f81e8b196cc561

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
31KB

MD5
70d8a4cfe8f75bef1d5cea3ba0cca2d0

SHA1
636d0bb422ed168d310a31160d69aef1aec90d68

SHA256
6a949940330b0828af63f56d10981f8596ef1c24952b058e40af09ce6e947100

SHA512
31ae3fc6ff416925040d4a7aa40d46b411786c1269c6fbdb0386a05cd5211774c2c0cd13dddecbcec2e3919278cd2c659549a7d7f74355bda3f81e8b196cc561

Download Submit
memory/2388-3-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2388-4-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2388-0-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2388-2-0x00000000006E0000-0x0000000000720000-memory.dmp

Filesize
256KB

Download
memory/2388-1-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2388-17-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-14-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-15-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-16-0x00000000001E0000-0x0000000000220000-memory.dmp

Filesize
256KB

Download
memory/2736-18-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-19-0x00000000001E0000-0x0000000000220000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads