njrat | 4f3b59864c18a8d1a8add12e29dfd6293d67c07ecbd0bf9b4ae9e34294bc2668

General

Target

Smart Binder v2.0 By Th3 Exploiter.exe
Size

23KB
MD5

f836c26e8aae6e2ba4efb47af6cecf4f
SHA1

65d32c3ed9f9f03033efb50fe8275a3643755f79
SHA256

c244ca57170c47a61d79092c13a038477a904a416b492adeb5aabe89d1620c30
SHA512

fa8e33791059323c754589a779b167d21cf515fb786c86a84944cf7fc8784be71842db8ee12953855141d99aab9aa707fbfd972d7229156f73168284dcba8f47
SSDEEP

384:47QeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZkb/:485yBVd7Rpcnudb

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

pid	Process
3840	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	Smart Binder v2.0 By Th3 Exploiter.exe

Executes dropped EXE 1 IoCs

pid	Process
4900	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\f87a088fbd7c06eef1f5a49864be5208 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f87a088fbd7c06eef1f5a49864be5208 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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	Smart Binder v2.0 By Th3 Exploiter.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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe
Token: 33	4900	server.exe
Token: SeIncBasePriorityPrivilege	4900	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 4900	4268	Smart Binder v2.0 By Th3 Exploiter.exe	83
PID 4268 wrote to memory of 4900	4268	Smart Binder v2.0 By Th3 Exploiter.exe	83
PID 4268 wrote to memory of 4900	4268	Smart Binder v2.0 By Th3 Exploiter.exe	83
PID 4900 wrote to memory of 3840	4900	server.exe	90
PID 4900 wrote to memory of 3840	4900	server.exe	90
PID 4900 wrote to memory of 3840	4900	server.exe	90

C:\Users\Admin\AppData\Local\Temp\Smart Binder v2.0 By Th3 Exploiter.exe
"C:\Users\Admin\AppData\Local\Temp\Smart Binder v2.0 By Th3 Exploiter.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\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:4900
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3840

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\Roaming\server.exe

Filesize
23KB

MD5
f836c26e8aae6e2ba4efb47af6cecf4f

SHA1
65d32c3ed9f9f03033efb50fe8275a3643755f79

SHA256
c244ca57170c47a61d79092c13a038477a904a416b492adeb5aabe89d1620c30

SHA512
fa8e33791059323c754589a779b167d21cf515fb786c86a84944cf7fc8784be71842db8ee12953855141d99aab9aa707fbfd972d7229156f73168284dcba8f47

Download Submit
memory/4268-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

Filesize
4KB

Download
memory/4268-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4268-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4268-12-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4900-13-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4900-14-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4900-15-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads