njrat | dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbb

General

Target

dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe
Size

23KB
MD5

73ade75d6f3c6a58b34f6504f3b37d30
SHA1

7f11ad0c2675eaa382fff03ee65f909489558991
SHA256

dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbb
SHA512

9eb75744f984c131597163c035255c35406c0f918408330d46d8c94330f2cb1802a17410f0adba3729ce86707a309f23f6f55a09c3bee1a953efc4f2359c73af
SSDEEP

384:ioWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIp:l7O89p2rRpcnuf

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
3312	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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	dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe
Token: 33	4360	server.exe
Token: SeIncBasePriorityPrivilege	4360	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 4360	396	dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe	86
PID 396 wrote to memory of 4360	396	dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe	86
PID 396 wrote to memory of 4360	396	dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe	86
PID 4360 wrote to memory of 3312	4360	server.exe	93
PID 4360 wrote to memory of 3312	4360	server.exe	93
PID 4360 wrote to memory of 3312	4360	server.exe	93

C:\Users\Admin\AppData\Local\Temp\dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe
"C:\Users\Admin\AppData\Local\Temp\dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:396
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.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:4360
- - 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:3312

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
23KB

MD5
73ade75d6f3c6a58b34f6504f3b37d30

SHA1
7f11ad0c2675eaa382fff03ee65f909489558991

SHA256
dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbb

SHA512
9eb75744f984c131597163c035255c35406c0f918408330d46d8c94330f2cb1802a17410f0adba3729ce86707a309f23f6f55a09c3bee1a953efc4f2359c73af

Download Submit
memory/396-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

Filesize
4KB

Download
memory/396-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/396-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/396-13-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4360-14-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4360-12-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4360-15-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads