njrat | a88ab1054e6a52a003c986f8814fe6936a85cf1416eb1cbc61e955be42c84d05

General

Target

3c0659326c9db90722af36eb71ced388.exe
Size

114KB
MD5

3c0659326c9db90722af36eb71ced388
SHA1

cfa1a1423f456664f02c68c6cc85793a8cb09037
SHA256

a88ab1054e6a52a003c986f8814fe6936a85cf1416eb1cbc61e955be42c84d05
SHA512

4d07566d9daceccd2e78d4fa35415a92b779b7496ef0c2f30adc6e7f68d94ffb6c60f5847ce2b059e393dd114541ef529d96fe067c95dffca5783341b31f60c1
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vrm:w5eznsjsguGDFqGx8egoxmO3rvC

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
2844	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2496	chargeable.exe
2804	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
3048	3c0659326c9db90722af36eb71ced388.exe
3048	3c0659326c9db90722af36eb71ced388.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	3c0659326c9db90722af36eb71ced388.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3c0659326c9db90722af36eb71ced388.exe"	3c0659326c9db90722af36eb71ced388.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2804	2496	chargeable.exe	32

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	3c0659326c9db90722af36eb71ced388.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe
Token: 33	2804	chargeable.exe
Token: SeIncBasePriorityPrivilege	2804	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2496	3048	3c0659326c9db90722af36eb71ced388.exe	31
PID 3048 wrote to memory of 2496	3048	3c0659326c9db90722af36eb71ced388.exe	31
PID 3048 wrote to memory of 2496	3048	3c0659326c9db90722af36eb71ced388.exe	31
PID 3048 wrote to memory of 2496	3048	3c0659326c9db90722af36eb71ced388.exe	31
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2496 wrote to memory of 2804	2496	chargeable.exe	32
PID 2804 wrote to memory of 2844	2804	chargeable.exe	33
PID 2804 wrote to memory of 2844	2804	chargeable.exe	33
PID 2804 wrote to memory of 2844	2804	chargeable.exe	33
PID 2804 wrote to memory of 2844	2804	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\3c0659326c9db90722af36eb71ced388.exe
"C:\Users\Admin\AppData\Local\Temp\3c0659326c9db90722af36eb71ced388.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- 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:2496
- - 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:2804
  - - 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:2844

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
114KB

MD5
a83c3ae7f6a5b07e887cf05589e42567

SHA1
5587171392d0d9e1d1d77baa8cf24c332bbabc72

SHA256
5d62ef21dfba6ca1ecc73eb82ace9a77a083f2b5e35e9a86cb19abc5d284df97

SHA512
63426c22fd8025631fdb68e2fd68b4bdf7c85bda6b49814a0fabc8b7f55b359ace2ce775009d2850bc1fab786a26edb95fe766a47f37f8a20676bf30469bfe9a

Download Submit
memory/2496-26-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2496-17-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2496-25-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2496-18-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2804-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2804-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2804-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3048-6-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/3048-16-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/3048-0-0x0000000074681000-0x0000000074682000-memory.dmp

Filesize
4KB

Download
memory/3048-2-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/3048-1-0x0000000074680000-0x0000000074C2B000-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