njrat | 6c0836ba8e274b0b65000ede6dbb7d786101826b6f51ba808d88f0f36c8a67d1

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/04/2024, 01:07

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General

Target

4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe
Size

31KB
MD5

200a92ad17110cb3dacc7387b12186c6
SHA1

6bee61858fbf3152f748b3dcdffe0509a8d30a57
SHA256

4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6
SHA512

1edf29f9ebce81ce230829637a8ad672f8d389984bb020b43992aacbf47674b8f1e5e8af8d7eee1ae42b03c7334e0ccef175a868704fbb265eb4810cde50b0e7
SSDEEP

768:oJhOBb13hdwzxLy3gcEOvVMRvqfQmIDUu0tiBdj:gUZ6WZ6AQVkuj

Score

10^/10

njrat ok evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

83.196.78.85:8080

Mutex

19447a578b6a3b2cdbc5a3dc3e7f5251

Attributes

reg_key
19447a578b6a3b2cdbc5a3dc3e7f5251
splitter
Y262SUCZ4UJJ

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1556	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\19447a578b6a3b2cdbc5a3dc3e7f5251.exe	WindowsServices.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\19447a578b6a3b2cdbc5a3dc3e7f5251.exe	WindowsServices.exe

Executes dropped EXE 1 IoCs

pid	Process
2548	WindowsServices.exe

Loads dropped DLL 1 IoCs

pid	Process
1540	4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\19447a578b6a3b2cdbc5a3dc3e7f5251 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .."	WindowsServices.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\19447a578b6a3b2cdbc5a3dc3e7f5251 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .."	WindowsServices.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe
Token: 33	2548	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	2548	WindowsServices.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 2548	1540	4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe	28
PID 1540 wrote to memory of 2548	1540	4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe	28
PID 1540 wrote to memory of 2548	1540	4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe	28
PID 1540 wrote to memory of 2548	1540	4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe	28
PID 2548 wrote to memory of 1556	2548	WindowsServices.exe	29
PID 2548 wrote to memory of 1556	2548	WindowsServices.exe	29
PID 2548 wrote to memory of 1556	2548	WindowsServices.exe	29
PID 2548 wrote to memory of 1556	2548	WindowsServices.exe	29

C:\Users\Admin\AppData\Local\Temp\4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe
"C:\Users\Admin\AppData\Local\Temp\4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\WindowsServices.exe

Filesize
31KB

MD5
200a92ad17110cb3dacc7387b12186c6

SHA1
6bee61858fbf3152f748b3dcdffe0509a8d30a57

SHA256
4685803ad19d283ca259f4af5fff5f0c397c0fe0c3032b663d0b99d510c4fcb6

SHA512
1edf29f9ebce81ce230829637a8ad672f8d389984bb020b43992aacbf47674b8f1e5e8af8d7eee1ae42b03c7334e0ccef175a868704fbb265eb4810cde50b0e7

Download Submit
memory/1540-0-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/1540-2-0x0000000000B90000-0x0000000000BD0000-memory.dmp

Filesize
256KB

Download
memory/1540-1-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/1540-10-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2548-11-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2548-12-0x00000000002D0000-0x0000000000310000-memory.dmp

Filesize
256KB

Download
memory/2548-14-0x00000000002D0000-0x0000000000310000-memory.dmp

Filesize
256KB

Download
memory/2548-15-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads