njrat | 64410874fd729f090e1efd9820af5c73cda8844f1072e0bccd2ac79a44415176

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 16:11

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General

Target

606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe
Size

81KB
MD5

c82090cb1238272ea71d0e1c46c925f7
SHA1

ad35aff2b8541fd295c3acb2adb24d3551140750
SHA256

606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393
SHA512

247ff4e5f59ab366c8bcc0135c66c53a4e6336bd653705296e20ef37342dde0f3511190e53e27e026911dfb9d95fe15e602121c763fbf37eefcc092fc78cb178
SSDEEP

1536:MGIFfmuPLEm3fo8w2oEramguwePcBMU+X6mmH7PNZwmwsOI7m3dUpbmh5O:jmQ8ww++/PcBMU+X6mu7PNZ6TtUAO

Score

10^/10

njrat hacked by hidden person discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Botnet

Hacked By HiDDen PerSOn

Mutex

97ced457d91da156e7db8367a158d7b9

Attributes

reg_key
97ced457d91da156e7db8367a158d7b9

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
1432	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	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\97ced457d91da156e7db8367a158d7b9.exe	System32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\97ced457d91da156e7db8367a158d7b9.exe	System32.exe

Executes dropped EXE 2 IoCs

pid	Process
548	System32.exe
3188	System32.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\97ced457d91da156e7db8367a158d7b9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\97ced457d91da156e7db8367a158d7b9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .."	System32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1928 set thread context of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 548 set thread context of 3188	548	System32.exe	93

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 5 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	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe
Token: 33	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe
Token: SeIncBasePriorityPrivilege	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe
Token: SeDebugPrivilege	548	System32.exe
Token: 33	548	System32.exe
Token: SeIncBasePriorityPrivilege	548	System32.exe
Token: SeDebugPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe
Token: 33	3188	System32.exe
Token: SeIncBasePriorityPrivilege	3188	System32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 1928 wrote to memory of 4504	1928	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	84
PID 4504 wrote to memory of 548	4504	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	91
PID 4504 wrote to memory of 548	4504	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	91
PID 4504 wrote to memory of 548	4504	606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe	91
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 548 wrote to memory of 3188	548	System32.exe	93
PID 3188 wrote to memory of 1432	3188	System32.exe	96
PID 3188 wrote to memory of 1432	3188	System32.exe	96
PID 3188 wrote to memory of 1432	3188	System32.exe	96

C:\Users\Admin\AppData\Local\Temp\606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe
"C:\Users\Admin\AppData\Local\Temp\606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe
  "C:\Users\Admin\AppData\Local\Temp\606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4504
- - C:\Users\Admin\AppData\Local\Temp\System32.exe
    "C:\Users\Admin\AppData\Local\Temp\System32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:548
  - - C:\Users\Admin\AppData\Local\Temp\System32.exe
      "C:\Users\Admin\AppData\Local\Temp\System32.exe"
      4⤵
      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:3188
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System32.exe" "System32.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393.exe.log

Filesize
319B

MD5
a4da81a3544d9cd85f257967c0a431fe

SHA1
ba6f59ae5c6a2674a1fda758b5ded92f76d5edb3

SHA256
ad372efe5e610b9c2a331ac8f17f83542ef78b92c875c206d76c84e158fb271e

SHA512
12348d4cb4b6534a43f122d18fc7276c524c5b7e8f242f446eefb4d2ffea8018aed53a854cb840b2f30669caf74d14daff4276c6676a15221c58c84b210d393f

Download Submit
C:\Users\Admin\AppData\Local\Temp\System32.exe

Filesize
81KB

MD5
c82090cb1238272ea71d0e1c46c925f7

SHA1
ad35aff2b8541fd295c3acb2adb24d3551140750

SHA256
606938c343ff1eb7278561785855589f46b06dfbc6925b1bb2173d3722c9f393

SHA512
247ff4e5f59ab366c8bcc0135c66c53a4e6336bd653705296e20ef37342dde0f3511190e53e27e026911dfb9d95fe15e602121c763fbf37eefcc092fc78cb178

Download Submit
memory/548-14-0x00007FFE10BB0000-0x00007FFE10DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1928-0-0x00007FFE10BB0000-0x00007FFE10DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3188-19-0x00007FFE10BB0000-0x00007FFE10DA5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-1-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4504-4-0x00007FFE10BB0000-0x00007FFE10DA5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-13-0x00007FFE10BB0000-0x00007FFE10DA5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads