njrat | f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34d

General

Target

f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
Size

113KB
MD5

5f802eb02cdba2f6bca9258d93171520
SHA1

392735ffdc077020d45682e928bfb351214c2f66
SHA256

f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34d
SHA512

0ddb99572ecbedffbf74ed6b9ea8c85b33113b5b16ef0f5d14dcbca67f14ae0b363c85086d5c4041225f6b337ac6dc43fff3464a021396bac1d259be50c9532e
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vrn:w5eznsjsguGDFqGx8egoxmO3rvj

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
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
4516	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe

Executes dropped EXE 2 IoCs

pid	Process
2240	chargeable.exe
372	chargeable.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe"	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 372	2240	chargeable.exe	98

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 4 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	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe
Token: 33	372	chargeable.exe
Token: SeIncBasePriorityPrivilege	372	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2240	1900	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe	96
PID 1900 wrote to memory of 2240	1900	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe	96
PID 1900 wrote to memory of 2240	1900	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe	96
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 2240 wrote to memory of 372	2240	chargeable.exe	98
PID 372 wrote to memory of 4516	372	chargeable.exe	99
PID 372 wrote to memory of 4516	372	chargeable.exe	99
PID 372 wrote to memory of 4516	372	chargeable.exe	99

C:\Users\Admin\AppData\Local\Temp\f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
"C:\Users\Admin\AppData\Local\Temp\f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:372
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4516

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\confuse\chargeable.exe

Filesize
114KB

MD5
c148c681d11ba8968308ea1df78a0833

SHA1
390a77b249a44d8f9bed1599bd78ac353676a4c1

SHA256
f479f0e788f0dafdf7742c1a0d1e14572a35f2d0a3c134c84388472aba016a04

SHA512
8f79922806ca5f6ae2ca956e1ff91a2e37fab0af0d40a6eaecae390eade12bf5afffe82a6f6ce5523c550ef71da69c027489bebbd70f01857ffb347f55b11b63

Download Submit
memory/372-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/372-31-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/372-30-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/372-27-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/372-29-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/1900-7-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/1900-19-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/1900-20-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/1900-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

Filesize
4KB

Download
memory/1900-6-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

Filesize
4KB

Download
memory/1900-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/1900-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/2240-21-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/2240-22-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/2240-23-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/2240-28-0x0000000074EF0000-0x00000000754A1000-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