njrat | 35b588651334998c6473ba19b676527e5e4782a5d366e5aee5f6151e927ef1b5

General

Target

23dd4610693bb9928f8c224440ad8e30N.exe
Size

1.3MB
MD5

23dd4610693bb9928f8c224440ad8e30
SHA1

2bd398fbd6bb00801a5ac15650afcff4e3b7ee8c
SHA256

35b588651334998c6473ba19b676527e5e4782a5d366e5aee5f6151e927ef1b5
SHA512

9b3f635e105c41dd93f806cbe09cd73a4585f26ed6ff349d21862fdd4d3990e3bc701a0199eed9969eb101691a8363234e67f134a4d86ac397ff528276970c3c
SSDEEP

24576:tfZlf2TdDY5LI6jrXDHt4D4lfLBSDm9kN4wIa7LwQVZjI6jZZjI6jVqOb/trJYwZ:TeyBgV

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

maestro49.ddns.net:5552

Mutex

1f14d442afed773c814b9d245e6118bf

Attributes

reg_key
1f14d442afed773c814b9d245e6118bf
splitter
|'|'|

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
2028	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	23dd4610693bb9928f8c224440ad8e30N.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1f14d442afed773c814b9d245e6118bf.exe	ProcessHacker.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1f14d442afed773c814b9d245e6118bf.exe	ProcessHacker.exe

Executes dropped EXE 1 IoCs

pid	Process
4188	ProcessHacker.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\1f14d442afed773c814b9d245e6118bf = "\"C:\\Users\\Admin\\AppData\\Roaming\\ProcessHacker.exe\" .."	ProcessHacker.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1f14d442afed773c814b9d245e6118bf = "\"C:\\Users\\Admin\\AppData\\Roaming\\ProcessHacker.exe\" .."	ProcessHacker.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4780	taskkill.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	4188	ProcessHacker.exe
Token: SeDebugPrivilege	4780	taskkill.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe
Token: 33	4188	ProcessHacker.exe
Token: SeIncBasePriorityPrivilege	4188	ProcessHacker.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 4188	3260	23dd4610693bb9928f8c224440ad8e30N.exe	85
PID 3260 wrote to memory of 4188	3260	23dd4610693bb9928f8c224440ad8e30N.exe	85
PID 4188 wrote to memory of 2028	4188	ProcessHacker.exe	91
PID 4188 wrote to memory of 2028	4188	ProcessHacker.exe	91
PID 4188 wrote to memory of 4780	4188	ProcessHacker.exe	93
PID 4188 wrote to memory of 4780	4188	ProcessHacker.exe	93

C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe
"C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Users\Admin\AppData\Roaming\ProcessHacker.exe
  "C:\Users\Admin\AppData\Roaming\ProcessHacker.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4188
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\ProcessHacker.exe" "ProcessHacker.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2028
- - C:\Windows\SYSTEM32\taskkill.exe
    taskkill /F /IM Exsample.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4780

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ProcessHacker.exe

Filesize
1.3MB

MD5
23dd4610693bb9928f8c224440ad8e30

SHA1
2bd398fbd6bb00801a5ac15650afcff4e3b7ee8c

SHA256
35b588651334998c6473ba19b676527e5e4782a5d366e5aee5f6151e927ef1b5

SHA512
9b3f635e105c41dd93f806cbe09cd73a4585f26ed6ff349d21862fdd4d3990e3bc701a0199eed9969eb101691a8363234e67f134a4d86ac397ff528276970c3c

Download Submit
memory/3260-6-0x000000001BCF0000-0x000000001BD00000-memory.dmp

Filesize
64KB

Download
memory/3260-2-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

Filesize
9.6MB

Download
memory/3260-3-0x000000001BAB0000-0x000000001BB4C000-memory.dmp

Filesize
624KB

Download
memory/3260-4-0x000000001BC00000-0x000000001BCA6000-memory.dmp

Filesize
664KB

Download
memory/3260-5-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

Filesize
9.6MB

Download
memory/3260-0-0x00007FFDF2D95000-0x00007FFDF2D96000-memory.dmp

Filesize
4KB

Download
memory/3260-1-0x000000001B540000-0x000000001BA0E000-memory.dmp

Filesize
4.8MB

Download
memory/3260-20-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

Filesize
9.6MB

Download
memory/4188-19-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

Filesize
9.6MB

Download
memory/4188-21-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

Filesize
9.6MB

Download
memory/4188-22-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

Filesize
9.6MB

Download
memory/4188-24-0x000000001C690000-0x000000001C698000-memory.dmp

Filesize
32KB

Download
memory/4188-25-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads