njrat | b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a

General

Target

b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe
Size

23KB
MD5

8723ba329d1b40d4eeec747703fa2e1a
SHA1

2aeecbe3704d04845f9767dcf42d164df0a60f87
SHA256

b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a
SHA512

c5beae5c02bb73ecfed64daa9cd9ab8c1b1be60baabde45e4f0596306ef6d589627fac1b161184f64fa7511be2ca50011756452588bfbdc93e6275a413830c78
SSDEEP

384:3Q+ILgIbOprgPsUOSU0kB1kd6dg7GYh/JomRvR6JZlbw8hqIusZzZHO:qLL6MVU0NRpcnu9

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
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
976	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe

Executes dropped EXE 1 IoCs

pid	Process
1384	Test.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\59da4ba4e355635c767b06d85318b684 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Test.exe\" .."	Test.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\59da4ba4e355635c767b06d85318b684 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Test.exe\" .."	Test.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\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Test.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe
Token: 33	1384	Test.exe
Token: SeIncBasePriorityPrivilege	1384	Test.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 1384	3152	b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe	93
PID 3152 wrote to memory of 1384	3152	b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe	93
PID 3152 wrote to memory of 1384	3152	b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe	93
PID 1384 wrote to memory of 976	1384	Test.exe	96
PID 1384 wrote to memory of 976	1384	Test.exe	96
PID 1384 wrote to memory of 976	1384	Test.exe	96

C:\Users\Admin\AppData\Local\Temp\b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe
"C:\Users\Admin\AppData\Local\Temp\b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Users\Admin\AppData\Local\Temp\Test.exe
  "C:\Users\Admin\AppData\Local\Temp\Test.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Test.exe" "Test.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:976

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
23KB

MD5
8723ba329d1b40d4eeec747703fa2e1a

SHA1
2aeecbe3704d04845f9767dcf42d164df0a60f87

SHA256
b2adfbc877ac1f38f17483e5d32c9b6c8840868d5cd070e5c8d1d4ca7aa41a0a

SHA512
c5beae5c02bb73ecfed64daa9cd9ab8c1b1be60baabde45e4f0596306ef6d589627fac1b161184f64fa7511be2ca50011756452588bfbdc93e6275a413830c78

Download Submit
memory/1384-13-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/1384-14-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/1384-15-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/1384-16-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/3152-0-0x0000000074FC2000-0x0000000074FC3000-memory.dmp

Filesize
4KB

Download
memory/3152-1-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/3152-2-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/3152-12-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads