njrat | 141b29dc70b6102566c516d1f1d0ce9159fc72518ea7d085eb905f778370b4bb

General

Target

c220e143aba44ee258f4e0454fb6f500N.exe
Size

115KB
MD5

c220e143aba44ee258f4e0454fb6f500
SHA1

b8f047b2ba01e624077d9afa8b2d5d09a24b3c95
SHA256

141b29dc70b6102566c516d1f1d0ce9159fc72518ea7d085eb905f778370b4bb
SHA512

fe78e17a2e8a83099152f1a6f97ca2d57f17920bc864b3720d2886b5b4ec6da4e712de98698539a3e4529cef8783bf7852200941962005c0d1ffdd3d4df30ad3
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQy:P5eznsjsguGDFqGZ2rc

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/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
2884	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	c220e143aba44ee258f4e0454fb6f500N.exe

Executes dropped EXE 2 IoCs

pid	Process
3520	chargeable.exe
3348	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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	c220e143aba44ee258f4e0454fb6f500N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c220e143aba44ee258f4e0454fb6f500N.exe"	c220e143aba44ee258f4e0454fb6f500N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3520 set thread context of 3348	3520	chargeable.exe	94

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c220e143aba44ee258f4e0454fb6f500N.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe
Token: 33	3348	chargeable.exe
Token: SeIncBasePriorityPrivilege	3348	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 3520	1772	c220e143aba44ee258f4e0454fb6f500N.exe	91
PID 1772 wrote to memory of 3520	1772	c220e143aba44ee258f4e0454fb6f500N.exe	91
PID 1772 wrote to memory of 3520	1772	c220e143aba44ee258f4e0454fb6f500N.exe	91
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3520 wrote to memory of 3348	3520	chargeable.exe	94
PID 3348 wrote to memory of 2884	3348	chargeable.exe	95
PID 3348 wrote to memory of 2884	3348	chargeable.exe	95
PID 3348 wrote to memory of 2884	3348	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\c220e143aba44ee258f4e0454fb6f500N.exe
"C:\Users\Admin\AppData\Local\Temp\c220e143aba44ee258f4e0454fb6f500N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1772
- 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:3520
- - 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:3348
  - - 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:2884

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\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
af005173cce1850423f0f999693487cb

SHA1
950bf700178ab02d75b959cf92f1d493acba31ef

SHA256
38615066450a66b2950aa946bf8eea01f16e1f0dfc7c0748609e195c317c2a7a

SHA512
feb37c884eba52c5e74a3a9b1c604d42e6b25b98a1389ba9677361f756897d169824b9d7c214e150f6a1f07e7e63440baa07e6119aa08b919db0533a9fdb22bc

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

Filesize
115KB

MD5
5a5c6a1e17e700e75ef35812c16871b9

SHA1
2d7416463db88f901cdf9c55c49601545282cdb5

SHA256
a3391fd3c12eef871f717b3c5d3d23d3665459709306ec86aea0267a75e721fe

SHA512
ec30c72aed1eecce678b9f92f88bc5bc9674d795011ea53f1a4c8afc3dbadc87f9e70bf504211c58cd30323ec7322c00de9a6f05cd46417354cdc4664b64f364

Download Submit
memory/1772-20-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/1772-7-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/1772-2-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/1772-19-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/1772-0-0x0000000074782000-0x0000000074783000-memory.dmp

Filesize
4KB

Download
memory/1772-6-0x0000000074782000-0x0000000074783000-memory.dmp

Filesize
4KB

Download
memory/1772-1-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/3348-29-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/3348-30-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/3348-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3348-28-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/3520-22-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/3520-27-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/3520-21-0x0000000074780000-0x0000000074D31000-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