njrat | 4e85d6c7dbfed9fd6d39cc7462dc44742248835665e505e498566716d8f8c22a

General

Target

09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e.exe
Size

277KB
MD5

e7d8c9ef8a9dd2c80574799ce1b81697
SHA1

3778aab8af400bd5d390d3a5e1190b085b280379
SHA256

09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e
SHA512

c00c7e97f1117cacf2d749981789d5d9380991e16e397ff47a4f9df917c5f9243e3ef4cb4f7f2cf50839a9f3390d24055c285f41d3fe5533d6297d6e1dbbfd5e
SSDEEP

3072:lrWg6DgCHlG0ufU48aRi0Wn+WOfrQiG6igDyHcGje81j5wfEKw5Aak4GTiFrhE:plcvF4fU486isWh+VnGa81jGf8Pl

Score

10^/10

njrat evasion persistence privilege_escalation trojan

Malware Config

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
4108	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aac7460cfbd609b3aba31fe0f8c1c7d8.exe	System32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aac7460cfbd609b3aba31fe0f8c1c7d8.exe	System32.exe

Executes dropped EXE 1 IoCs

pid	Process
4908	System32.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aac7460cfbd609b3aba31fe0f8c1c7d8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aac7460cfbd609b3aba31fe0f8c1c7d8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .."	System32.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe
Token: 33	4908	System32.exe
Token: SeIncBasePriorityPrivilege	4908	System32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 4908	208	09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e.exe	95
PID 208 wrote to memory of 4908	208	09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e.exe	95
PID 4908 wrote to memory of 4108	4908	System32.exe	96
PID 4908 wrote to memory of 4108	4908	System32.exe	96

C:\Users\Admin\AppData\Local\Temp\09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e.exe
"C:\Users\Admin\AppData\Local\Temp\09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:208
- C:\Users\Admin\AppData\Local\Temp\System32.exe
  "C:\Users\Admin\AppData\Local\Temp\System32.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4908
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System32.exe" "System32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:4108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\System32.exe

Filesize
277KB

MD5
e7d8c9ef8a9dd2c80574799ce1b81697

SHA1
3778aab8af400bd5d390d3a5e1190b085b280379

SHA256
09363e0efdea54c1c8878f0a7d1c5ef696309328ff9da8223abdaa81c20a887e

SHA512
c00c7e97f1117cacf2d749981789d5d9380991e16e397ff47a4f9df917c5f9243e3ef4cb4f7f2cf50839a9f3390d24055c285f41d3fe5533d6297d6e1dbbfd5e

Download Submit
memory/208-3-0x000000001BDB0000-0x000000001C27E000-memory.dmp

Filesize
4.8MB

Download
memory/208-8-0x00007FFD61DD0000-0x00007FFD62771000-memory.dmp

Filesize
9.6MB

Download
memory/208-0-0x00007FFD62085000-0x00007FFD62086000-memory.dmp

Filesize
4KB

Download
memory/208-4-0x00007FFD61DD0000-0x00007FFD62771000-memory.dmp

Filesize
9.6MB

Download
memory/208-5-0x000000001C320000-0x000000001C3BC000-memory.dmp

Filesize
624KB

Download
memory/208-6-0x00000000010B0000-0x00000000010BE000-memory.dmp

Filesize
56KB

Download
memory/208-7-0x00007FFD62085000-0x00007FFD62086000-memory.dmp

Filesize
4KB

Download
memory/208-2-0x000000001B830000-0x000000001B8D6000-memory.dmp

Filesize
664KB

Download
memory/208-1-0x00007FFD61DD0000-0x00007FFD62771000-memory.dmp

Filesize
9.6MB

Download
memory/208-22-0x00007FFD61DD0000-0x00007FFD62771000-memory.dmp

Filesize
9.6MB

Download
memory/4908-21-0x00007FFD61DD0000-0x00007FFD62771000-memory.dmp

Filesize
9.6MB

Download
memory/4908-23-0x00007FFD61DD0000-0x00007FFD62771000-memory.dmp

Filesize
9.6MB

Download
memory/4908-24-0x00007FFD61DD0000-0x00007FFD62771000-memory.dmp

Filesize
9.6MB

Download
memory/4908-26-0x00000000015F0000-0x00000000015F8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads