njrat | 35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778

General

Target

35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe
Size

31KB
MD5

d81a5a206c0f6da1a9df209699f20790
SHA1

b3a9d3cb284083a8d3987eae5b3b69211009f7c0
SHA256

35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778
SHA512

960893ae3f482b3d868e35cb39e5f8c5e0c9f2a11155b155c0e49e6d708c5edf85f6154a718d083c82a94dd192ab1d128f0859e13d60e70af434dcaf3fe31f9f
SSDEEP

768:NLA5LgJZLrGzxhucORKqnzhvv6DQmIDUu0tiawj:8UKAxRYQVkKj

Score

10^/10

njrat vitima discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Vitima

C2

year-cameroon.gl.at.ply.gg:5050

Mutex

7fb93b0794e661921666b1583b4aab39

Attributes

reg_key
7fb93b0794e661921666b1583b4aab39
splitter
Y262SUCZ4UJJ

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
2832	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7fb93b0794e661921666b1583b4aab39.exe	Svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7fb93b0794e661921666b1583b4aab39.exe	Svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	Svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1064	35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\7fb93b0794e661921666b1583b4aab39 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Svchost.exe\" .."	Svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7fb93b0794e661921666b1583b4aab39 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Svchost.exe\" .."	Svchost.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Svchost.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe
Token: 33	2748	Svchost.exe
Token: SeIncBasePriorityPrivilege	2748	Svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2748	1064	35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe	30
PID 1064 wrote to memory of 2748	1064	35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe	30
PID 1064 wrote to memory of 2748	1064	35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe	30
PID 1064 wrote to memory of 2748	1064	35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe	30
PID 2748 wrote to memory of 2832	2748	Svchost.exe	31
PID 2748 wrote to memory of 2832	2748	Svchost.exe	31
PID 2748 wrote to memory of 2832	2748	Svchost.exe	31
PID 2748 wrote to memory of 2832	2748	Svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe
"C:\Users\Admin\AppData\Local\Temp\35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Roaming\Svchost.exe
  "C:\Users\Admin\AppData\Roaming\Svchost.exe"
  2⤵
  - 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:2748
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Svchost.exe" "Svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2832

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

\Users\Admin\AppData\Roaming\Svchost.exe

Filesize
31KB

MD5
d81a5a206c0f6da1a9df209699f20790

SHA1
b3a9d3cb284083a8d3987eae5b3b69211009f7c0

SHA256
35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778

SHA512
960893ae3f482b3d868e35cb39e5f8c5e0c9f2a11155b155c0e49e6d708c5edf85f6154a718d083c82a94dd192ab1d128f0859e13d60e70af434dcaf3fe31f9f

Download Submit
memory/1064-0-0x0000000073E51000-0x0000000073E52000-memory.dmp

Filesize
4KB

Download
memory/1064-1-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-2-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-10-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/1064-11-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-12-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-14-0x0000000073E50000-0x00000000743FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads