njrat | 78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 01:23

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General

Target

78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe
Size

811KB
MD5

5228bf40410275a20eaf08faad219550
SHA1

3bb8aed20b887b6e2c2efe479c17032fda2c9de2
SHA256

78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239
SHA512

5ef32d56cf9c77254a8edee84bd664a7fdfd1f4f85bf21cf4d3fd49c5bf15f8a1e9bd8df745fe16cfc7fd056f099dac78cbcc62045a6c38b9f399dfda37e4656
SSDEEP

6144:oJen3OZTtGpDBA872WzrrBCiX1hM6UhevMY/YrwnrVXAJsB3g7bgvI3jjZ6ir2Rg:oJa8EFAszrrBqLYvCmxAWNbA3GGkg/

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

Processes:

netsh.exe

pid	Process
2516	netsh.exe

Drops startup file 2 IoCs

Processes:

Trojan.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Executes dropped EXE 3 IoCs

Processes:

Derrubar Facebook 2015 Funcional.exeServer trojan.exeTrojan.exe

pid	Process
3004	Derrubar Facebook 2015 Funcional.exe
2760	Server trojan.exe
2660	Trojan.exe

Loads dropped DLL 9 IoCs

Processes:

78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exeDerrubar Facebook 2015 Funcional.exeServer trojan.exeTrojan.exe

pid	Process
2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe
3004	Derrubar Facebook 2015 Funcional.exe
3004	Derrubar Facebook 2015 Funcional.exe
2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe
2760	Server trojan.exe
2760	Server trojan.exe
2760	Server trojan.exe
2660	Trojan.exe
2660	Trojan.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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

Processes:

netsh.exe

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 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

Processes:

78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exeDerrubar Facebook 2015 Funcional.exeServer trojan.exeTrojan.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Derrubar Facebook 2015 Funcional.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

Trojan.exe

pid	Process
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe
2660	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trojan.exe

description	pid	Process
Token: SeDebugPrivilege	2660	Trojan.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe

pid	Process
2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exeServer trojan.exeTrojan.exe

description	pid	Process	procid_target
PID 2656 wrote to memory of 3004	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	28
PID 2656 wrote to memory of 3004	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	28
PID 2656 wrote to memory of 3004	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	28
PID 2656 wrote to memory of 3004	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	28
PID 2656 wrote to memory of 3004	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	28
PID 2656 wrote to memory of 3004	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	28
PID 2656 wrote to memory of 3004	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	28
PID 2656 wrote to memory of 2760	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	29
PID 2656 wrote to memory of 2760	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	29
PID 2656 wrote to memory of 2760	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	29
PID 2656 wrote to memory of 2760	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	29
PID 2656 wrote to memory of 2760	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	29
PID 2656 wrote to memory of 2760	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	29
PID 2656 wrote to memory of 2760	2656	78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe	29
PID 2760 wrote to memory of 2660	2760	Server trojan.exe	30
PID 2760 wrote to memory of 2660	2760	Server trojan.exe	30
PID 2760 wrote to memory of 2660	2760	Server trojan.exe	30
PID 2760 wrote to memory of 2660	2760	Server trojan.exe	30
PID 2760 wrote to memory of 2660	2760	Server trojan.exe	30
PID 2760 wrote to memory of 2660	2760	Server trojan.exe	30
PID 2760 wrote to memory of 2660	2760	Server trojan.exe	30
PID 2660 wrote to memory of 2516	2660	Trojan.exe	31
PID 2660 wrote to memory of 2516	2660	Trojan.exe	31
PID 2660 wrote to memory of 2516	2660	Trojan.exe	31
PID 2660 wrote to memory of 2516	2660	Trojan.exe	31
PID 2660 wrote to memory of 2516	2660	Trojan.exe	31
PID 2660 wrote to memory of 2516	2660	Trojan.exe	31
PID 2660 wrote to memory of 2516	2660	Trojan.exe	31

C:\Users\Admin\AppData\Local\Temp\78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe
"C:\Users\Admin\AppData\Local\Temp\78165aff88a13994a8e2debc5def23800af27abfefc405d85760fde23b470239N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\Derrubar Facebook 2015 Funcional.exe
  "C:\Users\Admin\AppData\Local\Temp\Derrubar Facebook 2015 Funcional.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Users\Admin\AppData\Local\Temp\Server trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Server trojan.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2516

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

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

\Users\Admin\AppData\Local\Temp\Derrubar Facebook 2015 Funcional.exe

Filesize
274KB

MD5
3c742bbf590e2c5df59cfa715df43936

SHA1
c229ecd2d9a39ca3addf8266815c5cd061538a55

SHA256
63eccb45ae9c896b159a518fe408f8b11f2854260696d0c9121fe4230dd3f455

SHA512
c9f951bb9e026cea6e354cdb2a8697c8cb279fba2dca2874d345d79d32686b36b7f962a93150e103002dc613b547b5e8522781902396f206cddb94f030f89fd9

Download Submit
\Users\Admin\AppData\Local\Temp\Server trojan.exe

Filesize
232KB

MD5
1f2f2caea8d98b4e8b8ee71c399dbdf0

SHA1
6d0de226a7f9e1dd2c5328c0f722fd621d6e0314

SHA256
ba58347ae01e7077753c71332b5c72585259d8501c26ec9a534e9af28dba7cf4

SHA512
88d11d60ce2e9085ec0607c09a0b1cd4aba11ff8001130661ddbb00bf8c7860f3ee535c4933b1a4de23a525b983bb142de3286f50b15e24e05a19376ea81dd91

Download Submit
memory/3004-20-0x0000000000850000-0x000000000089C000-memory.dmp

Filesize
304KB

Download