njrat | 071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92

General

Target

071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
Size

64KB
MD5

25e50be90bfd526318a41296bfb5b650
SHA1

9a57776f4110fda99adb8e7e86797d6caf96dc7f
SHA256

071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92
SHA512

c187fb49605ba2c9c4a6ca2c68dc6c263ae26552a2fdf00bc6cd508f01abc8526741171ea6c80aca2c9ed5665c734a7cb21d210e5429801e71773ed20701682e
SSDEEP

1536:3EFRfIIajeMzBdiGN9BbwNLi2bhtbxnCAumX:4RfIIYnbONVv5CAFX

Score

10^/10

njrat hacked defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

41180d06ba79ca0eb6f0d961bf964eef

Attributes

reg_key
41180d06ba79ca0eb6f0d961bf964eef
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2948	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2152	stick surf.exe
2624	stick surf.exe

Loads dropped DLL 3 IoCs

pid	Process
2384	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
2384	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
2152	stick surf.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\41180d06ba79ca0eb6f0d961bf964eef = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\stick surf.exe\" .."	stick surf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\41180d06ba79ca0eb6f0d961bf964eef = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\stick surf.exe\" .."	stick surf.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2552 set thread context of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2152 set thread context of 2624	2152	stick surf.exe	33

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stick surf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stick surf.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe
2624	stick surf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
Token: SeDebugPrivilege	2152	stick surf.exe
Token: SeDebugPrivilege	2624	stick surf.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2552 wrote to memory of 2384	2552	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	31
PID 2384 wrote to memory of 2152	2384	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	32
PID 2384 wrote to memory of 2152	2384	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	32
PID 2384 wrote to memory of 2152	2384	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	32
PID 2384 wrote to memory of 2152	2384	071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe	32
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2152 wrote to memory of 2624	2152	stick surf.exe	33
PID 2624 wrote to memory of 2948	2624	stick surf.exe	34
PID 2624 wrote to memory of 2948	2624	stick surf.exe	34
PID 2624 wrote to memory of 2948	2624	stick surf.exe	34
PID 2624 wrote to memory of 2948	2624	stick surf.exe	34

C:\Users\Admin\AppData\Local\Temp\071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
"C:\Users\Admin\AppData\Local\Temp\071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
  C:\Users\Admin\AppData\Local\Temp\071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92N.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Users\Admin\AppData\Local\Temp\stick surf.exe
    "C:\Users\Admin\AppData\Local\Temp\stick surf.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2152
  - - C:\Users\Admin\AppData\Local\Temp\stick surf.exe
      "C:\Users\Admin\AppData\Local\Temp\stick surf.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2624
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\stick surf.exe" "stick surf.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2948

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

System Information Discovery

1

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\stick surf.exe

Filesize
64KB

MD5
25e50be90bfd526318a41296bfb5b650

SHA1
9a57776f4110fda99adb8e7e86797d6caf96dc7f

SHA256
071fc6ca9b912fc950313655189dba484eea959bf925cabb056de793aab61f92

SHA512
c187fb49605ba2c9c4a6ca2c68dc6c263ae26552a2fdf00bc6cd508f01abc8526741171ea6c80aca2c9ed5665c734a7cb21d210e5429801e71773ed20701682e

Download Submit
memory/2152-28-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2152-21-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-3-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2384-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2384-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2384-11-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-9-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-22-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2552-10-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2552-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/2552-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2552-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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