njrat | a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb

General

Target

a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Size

115KB
MD5

6e969005cdd76dbd9d165152e7809863
SHA1

9d61a85b63175b898fbdce93c75f779944864166
SHA256

a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb
SHA512

333d8b8f95ee7f33635c4d99b7258730f5393cdd510a619c968c28404d3f7eb0e58ad2dcad76aa537b36c6e4e5c911252cbd13ec1b8aa98e68ad1fc455bd0257
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R8fLl:w5eznsjsguGDFqGx8egoxmO3rR8Tl

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
1952	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1776	chargeable.exe
2764	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
860	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
860	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe"	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1776 set thread context of 2764	1776	chargeable.exe	31

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe
Token: 33	2764	chargeable.exe
Token: SeIncBasePriorityPrivilege	2764	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1776	860	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe	30
PID 860 wrote to memory of 1776	860	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe	30
PID 860 wrote to memory of 1776	860	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe	30
PID 860 wrote to memory of 1776	860	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe	30
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 1776 wrote to memory of 2764	1776	chargeable.exe	31
PID 2764 wrote to memory of 1952	2764	chargeable.exe	33
PID 2764 wrote to memory of 1952	2764	chargeable.exe	33
PID 2764 wrote to memory of 1952	2764	chargeable.exe	33
PID 2764 wrote to memory of 1952	2764	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
"C:\Users\Admin\AppData\Local\Temp\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:860
- 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:1776
- - 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:2764
  - - 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:1952

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\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
11bdd2d4ba3edeed446cbf58767c59ac

SHA1
a53721f4622c09bd5924cc52f5d68236dc341e7b

SHA256
318ce4d9a0964f0803206b5d869e42463b1f1e97482ec5d60de2e077f4b3ab50

SHA512
da7f35d739262d053cd3f3c168a8a2e7ae2c4f3564b487bc27457cee69ae5342681ed6a32467732bd2bf6f230dcbc8fe142ab842f30db36cd0ed82505888d2c4

Download Submit
memory/860-0-0x0000000074D51000-0x0000000074D52000-memory.dmp

Filesize
4KB

Download
memory/860-1-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/860-2-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/860-15-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-17-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-16-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-24-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-25-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/2764-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2764-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2764-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads