njrat | 8e52ba8956d643c96cdeb75c43492302cf710a3d2acc852442930dedbe9ea1bb

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:18

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General

Target

ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe
Size

115KB
MD5

6fbcb0aec527717a65e2daf76136918a
SHA1

b386242c0e7cd39bca902bf6c2bba251c57eeb3e
SHA256

ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd
SHA512

4577b1388edc609beb91c001eedec5d68b72963b5d5a2481e7d54d326626233aa6ca30a5b5c0bfe07e736c397b6d71e4f1b3d526f35ce118b1f336e8c716e069
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat61/:P5eznsjsguGDFqGZ2ri1/

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5036	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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe

Executes dropped EXE 2 IoCs

pid	Process
3988	chargeable.exe
4940	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-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe"	ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3988 set thread context of 4940	3988	chargeable.exe	95

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 3988	1532	ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe	92
PID 1532 wrote to memory of 3988	1532	ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe	92
PID 1532 wrote to memory of 3988	1532	ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe	92
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 3988 wrote to memory of 4940	3988	chargeable.exe	95
PID 4940 wrote to memory of 5036	4940	chargeable.exe	96
PID 4940 wrote to memory of 5036	4940	chargeable.exe	96
PID 4940 wrote to memory of 5036	4940	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe
"C:\Users\Admin\AppData\Local\Temp\ea5b328e16846035adbbb9b261ee4ae28a27ef84788fbf339ed55c110672d2cd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1532
- 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:3988
- - 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:4940
  - - 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:5036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
f6dacd0638919a671e8a21eccfe572ae

SHA1
6189b1b950b8de3237adccfe5d93137436a75dbe

SHA256
0d9b1d3bb69d1b404f538c72732cff9edd7b53448cbbbf86b2fc1cdae9789e69

SHA512
5043807e26539bf2e419c3443d308d0ffba7556a53ecf1633511c9a2a6c786e2f9ad94125c6ccabdab57f4964e676c0854784398bd65be239d637a5f263c8d26

Download Submit
memory/1532-7-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/1532-1-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/1532-0-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/1532-2-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/1532-20-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/1532-19-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/1532-6-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/3988-23-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3988-22-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3988-21-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3988-29-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/4940-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4940-28-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/4940-31-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/4940-30-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/4940-32-0x0000000074750000-0x0000000074D01000-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