njrat | 3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16

General

Target

3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe
Size

95KB
MD5

dfefe9c586e09c7dbc2a49e4fc5e0a10
SHA1

e328f488933b8f5e14b6c2805a20705956fd80ce
SHA256

3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16
SHA512

ec08cff65f65ceee0d5b17592fa7e6fb3dabc104b39be53f45dee4811854eeeed2d9e07ecd666b05ca1cccdaa2f36f8e42426103398a2590ee86f7907bbf257c
SSDEEP

1536:EiitgtfFC6CQwkSD2cIDpxxHQbaXq6jwi4kkx49hQmvz:Eiitg3/CQwNnExxH2MvjwitZz

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

emad1987.myq-see.com:3973

Mutex

45199fb7bada9d81f231ad9d1d9c9673

Attributes

reg_key
45199fb7bada9d81f231ad9d1d9c9673
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
4164	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe

Executes dropped EXE 1 IoCs

pid	Process
1660	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\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\45199fb7bada9d81f231ad9d1d9c9673 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\45199fb7bada9d81f231ad9d1d9c9673 = "\"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	3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 1660	3152	3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe	97
PID 3152 wrote to memory of 1660	3152	3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe	97
PID 3152 wrote to memory of 1660	3152	3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe	97
PID 1660 wrote to memory of 4164	1660	server.exe	102
PID 1660 wrote to memory of 4164	1660	server.exe	102
PID 1660 wrote to memory of 4164	1660	server.exe	102

C:\Users\Admin\AppData\Local\Temp\3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe
"C:\Users\Admin\AppData\Local\Temp\3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1660
- - 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:4164

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
95KB

MD5
dfefe9c586e09c7dbc2a49e4fc5e0a10

SHA1
e328f488933b8f5e14b6c2805a20705956fd80ce

SHA256
3da195f8e501a09d53237e696d709622b284238eac6ba610573f0a0f0097de16

SHA512
ec08cff65f65ceee0d5b17592fa7e6fb3dabc104b39be53f45dee4811854eeeed2d9e07ecd666b05ca1cccdaa2f36f8e42426103398a2590ee86f7907bbf257c

Download Submit
memory/1660-33-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1660-32-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1660-31-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1660-30-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1660-29-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1660-28-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1660-27-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1660-24-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-9-0x0000000007C70000-0x0000000007C7C000-memory.dmp

Filesize
48KB

Download
memory/3152-25-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-10-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-23-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/3152-8-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-7-0x00000000053A0000-0x00000000053F6000-memory.dmp

Filesize
344KB

Download
memory/3152-26-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/3152-6-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/3152-5-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-4-0x00000000051B0000-0x0000000005242000-memory.dmp

Filesize
584KB

Download
memory/3152-3-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/3152-2-0x0000000005070000-0x000000000510C000-memory.dmp

Filesize
624KB

Download
memory/3152-1-0x0000000000690000-0x00000000006AE000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads