njrat | ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844f

General

Target

ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe
Size

23KB
MD5

4b01d323c68076b9e37af906b6571410
SHA1

bf148fece34821e69f7250f216f224b00c7f8486
SHA256

ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844f
SHA512

f138021942ec764fc81d15292a14171d1620c55b22e7e3de5a4b0ed2a28210bbc1b8bb9c5790d496810787c407bf67cf3bde77206ebdbe0a83283660b4fece68
SSDEEP

384:X8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZ57FU:sXcwt3tRpcnuCK

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
3232	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1fc9bd798d0d128792badf3a9989231c.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1fc9bd798d0d128792badf3a9989231c.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
1700	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1fc9bd798d0d128792badf3a9989231c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1fc9bd798d0d128792badf3a9989231c = "\"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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe
Token: 33	1700	server.exe
Token: SeIncBasePriorityPrivilege	1700	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 1700	3824	ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe	87
PID 3824 wrote to memory of 1700	3824	ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe	87
PID 3824 wrote to memory of 1700	3824	ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe	87
PID 1700 wrote to memory of 3232	1700	server.exe	90
PID 1700 wrote to memory of 3232	1700	server.exe	90
PID 1700 wrote to memory of 3232	1700	server.exe	90

C:\Users\Admin\AppData\Local\Temp\ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe
"C:\Users\Admin\AppData\Local\Temp\ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824
- 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:1700
- - 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:3232

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
4b01d323c68076b9e37af906b6571410

SHA1
bf148fece34821e69f7250f216f224b00c7f8486

SHA256
ff60ebc17b83b114ba743cbdfdd569dd27188479b4d241c568e64e674162844f

SHA512
f138021942ec764fc81d15292a14171d1620c55b22e7e3de5a4b0ed2a28210bbc1b8bb9c5790d496810787c407bf67cf3bde77206ebdbe0a83283660b4fece68

Download Submit
memory/1700-13-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1700-14-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1700-16-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3824-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

Filesize
4KB

Download
memory/3824-1-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3824-2-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3824-12-0x0000000074A90000-0x0000000075041000-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