njrat | 30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d

General

Target

30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe
Size

48KB
MD5

72a42a680749ea5fc0536b0d6e56ed6c
SHA1

9e2200d3bc217eb828fb164a37ea681be7eb4190
SHA256

30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d
SHA512

83da1cbe7775c576fc40fa0afa280e9fe8257231bb7b7cadf4898297fd994e163aa25bb739c70e5e863b288022704e021a06d55812b5beed6e9afc6dc89004f8
SSDEEP

384:2oWtkEwn65rgjAsGipk55D16xgXakhbZDQmRvR6JZlbw8hqIusZzZnJWX:p7O89p23RpcnuAIX

Score

10^/10

njrat sms discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

sms

C2

jastn.ddns.net:5552

Mutex

00b54a1bb83d059baff531d63f3c66a3

Attributes

reg_key
00b54a1bb83d059baff531d63f3c66a3
splitter
|'|'|

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

pid	Process
2660	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00b54a1bb83d059baff531d63f3c66a3.exe	Google Chrom.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00b54a1bb83d059baff531d63f3c66a3.exe	Google Chrom.exe

Executes dropped EXE 1 IoCs

pid	Process
2488	Google Chrom.exe

Loads dropped DLL 1 IoCs

pid	Process
2872	30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\00b54a1bb83d059baff531d63f3c66a3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Google Chrom.exe\" .."	Google Chrom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\00b54a1bb83d059baff531d63f3c66a3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Google Chrom.exe\" .."	Google Chrom.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	30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Google Chrom.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe
Token: 33	2488	Google Chrom.exe
Token: SeIncBasePriorityPrivilege	2488	Google Chrom.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2488	2872	30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe	31
PID 2872 wrote to memory of 2488	2872	30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe	31
PID 2872 wrote to memory of 2488	2872	30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe	31
PID 2872 wrote to memory of 2488	2872	30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe	31
PID 2488 wrote to memory of 2660	2488	Google Chrom.exe	32
PID 2488 wrote to memory of 2660	2488	Google Chrom.exe	32
PID 2488 wrote to memory of 2660	2488	Google Chrom.exe	32
PID 2488 wrote to memory of 2660	2488	Google Chrom.exe	32

C:\Users\Admin\AppData\Local\Temp\30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe
"C:\Users\Admin\AppData\Local\Temp\30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\Google Chrom.exe
  "C:\Users\Admin\AppData\Local\Temp\Google Chrom.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:2488
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Google Chrom.exe" "Google Chrom.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2660

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\Local\Temp\Google Chrom.exe

Filesize
48KB

MD5
72a42a680749ea5fc0536b0d6e56ed6c

SHA1
9e2200d3bc217eb828fb164a37ea681be7eb4190

SHA256
30926cfc6268af745dc7d42cb3e87267c277e991436f0bd8a57240a30e200f2d

SHA512
83da1cbe7775c576fc40fa0afa280e9fe8257231bb7b7cadf4898297fd994e163aa25bb739c70e5e863b288022704e021a06d55812b5beed6e9afc6dc89004f8

Download Submit
memory/2488-10-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2488-11-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2488-15-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2872-0-0x0000000074261000-0x0000000074262000-memory.dmp

Filesize
4KB

Download
memory/2872-1-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2872-2-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2872-12-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2872-13-0x0000000074260000-0x000000007480B000-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