njrat | 00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68

General

Target

00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe
Size

23KB
MD5

15062782b7ebad7e99adc7167d924e85
SHA1

baddee4d37392158d8875266f073429f5fced450
SHA256

00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68
SHA512

c91e5d18ac1830d8972041379179d59c9dbae182ad7bce3956fa3a0dbcd23f2259c1c22f55edcf5961504f3c7da038321b53af8d4823df2e9194ca8a03c8021d
SSDEEP

384:qsqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZWB:Ff65K2Yf1jKRpcnuF

Score

10^/10

njrat discovery 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
3980	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7e7d2a914b311829c9f6a5392c8f297e.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7e7d2a914b311829c9f6a5392c8f297e.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
4520	server.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7e7d2a914b311829c9f6a5392c8f297e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7e7d2a914b311829c9f6a5392c8f297e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe
Token: 33	4520	server.exe
Token: SeIncBasePriorityPrivilege	4520	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 4520	1208	00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe	82
PID 1208 wrote to memory of 4520	1208	00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe	82
PID 1208 wrote to memory of 4520	1208	00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe	82
PID 4520 wrote to memory of 3980	4520	server.exe	88
PID 4520 wrote to memory of 3980	4520	server.exe	88
PID 4520 wrote to memory of 3980	4520	server.exe	88

C:\Users\Admin\AppData\Local\Temp\00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe
"C:\Users\Admin\AppData\Local\Temp\00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3980

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\server.exe

Filesize
23KB

MD5
15062782b7ebad7e99adc7167d924e85

SHA1
baddee4d37392158d8875266f073429f5fced450

SHA256
00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68

SHA512
c91e5d18ac1830d8972041379179d59c9dbae182ad7bce3956fa3a0dbcd23f2259c1c22f55edcf5961504f3c7da038321b53af8d4823df2e9194ca8a03c8021d

Download Submit
memory/1208-0-0x00000000753C2000-0x00000000753C3000-memory.dmp

Filesize
4KB

Download
memory/1208-1-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1208-2-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1208-13-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/4520-12-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/4520-14-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/4520-16-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads