njrat | 8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17

General

Target

8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe
Size

23KB
MD5

813cae645a859f9e7f6fffbe0e9120a9
SHA1

0addbb3b28af97dd5b26f79c89a0327b0e1b8719
SHA256

8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17
SHA512

ccf8cc53449630174289e796bda1bc61f7973e0220caf1bcb0f10cb45d05e65fd60360f514949cc750a7d7669ed50b83257e4c913258c9909c9da049c6a5efa7
SSDEEP

384:u8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZhD:hXcwt3tRpcnui

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
1572	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2239074f375016b7c06b239673132d3c.exe	hi.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2239074f375016b7c06b239673132d3c.exe	hi.exe

Executes dropped EXE 1 IoCs

pid	Process
2224	hi.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2239074f375016b7c06b239673132d3c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hi.exe\" .."	hi.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2239074f375016b7c06b239673132d3c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hi.exe\" .."	hi.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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe
Token: 33	2224	hi.exe
Token: SeIncBasePriorityPrivilege	2224	hi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2224	2364	8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe	82
PID 2364 wrote to memory of 2224	2364	8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe	82
PID 2364 wrote to memory of 2224	2364	8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe	82
PID 2224 wrote to memory of 1572	2224	hi.exe	87
PID 2224 wrote to memory of 1572	2224	hi.exe	87
PID 2224 wrote to memory of 1572	2224	hi.exe	87

C:\Users\Admin\AppData\Local\Temp\8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe
"C:\Users\Admin\AppData\Local\Temp\8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\hi.exe
  "C:\Users\Admin\AppData\Local\Temp\hi.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:2224
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\hi.exe" "hi.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1572

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\hi.exe

Filesize
23KB

MD5
813cae645a859f9e7f6fffbe0e9120a9

SHA1
0addbb3b28af97dd5b26f79c89a0327b0e1b8719

SHA256
8646edfe9925c62b7d471f4efbcc2adae0fc4881c6e3b380ea7c7a4f5973ed17

SHA512
ccf8cc53449630174289e796bda1bc61f7973e0220caf1bcb0f10cb45d05e65fd60360f514949cc750a7d7669ed50b83257e4c913258c9909c9da049c6a5efa7

Download Submit
memory/2224-12-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2224-14-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2224-16-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2364-0-0x0000000075332000-0x0000000075333000-memory.dmp

Filesize
4KB

Download
memory/2364-1-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2364-2-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2364-13-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads