njrat | 7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8

General

Target

7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe
Size

115KB
MD5

c46fc1b56aae0e36290cee4442553270
SHA1

1733836f0eef3041150b26eba87962f9ce4ff7cc
SHA256

7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8
SHA512

7612587ec6acb5cf088a2cdb076d1e8d43058b0c770581900b83ff73932166f31fb7d82c438e16dec6353b37836a3d6a6ec78433329bdaa6dd73b9865d7884bb
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RoG:w5eznsjsguGDFqGx8egoxmO3rRoG

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
2508	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2664	chargeable.exe
2652	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2140	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe
2140	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe"	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 2652	2664	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 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe
Token: 33	2652	chargeable.exe
Token: SeIncBasePriorityPrivilege	2652	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2664	2140	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe	30
PID 2140 wrote to memory of 2664	2140	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe	30
PID 2140 wrote to memory of 2664	2140	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe	30
PID 2140 wrote to memory of 2664	2140	7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe	30
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2664 wrote to memory of 2652	2664	chargeable.exe	31
PID 2652 wrote to memory of 2508	2652	chargeable.exe	32
PID 2652 wrote to memory of 2508	2652	chargeable.exe	32
PID 2652 wrote to memory of 2508	2652	chargeable.exe	32
PID 2652 wrote to memory of 2508	2652	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe
"C:\Users\Admin\AppData\Local\Temp\7bf88b7a4037aedd0f82ebe67a6c61b5caba011e8ca8272b5e8445b84cca35c8N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- 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:2664
- - 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:2652
  - - 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:2508

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
8fa35c4dba82971fabfef9e4637e3a51

SHA1
9a2ebf4730f958f0975e2889cad77d6a38cadf73

SHA256
bc9057455c627ffe323c2316a603b96c2d4804c476b3babbe4b7f34d103ee895

SHA512
2e39ac3c149f0de20ede14ce0733ac71952cdc7fea8f738127c547365bd6fecfdc2ef3d678554b13fbd2a5bf82eaf75068bcad3624bc16c86cadd583a9841c0d

Download Submit
memory/2140-0-0x0000000074A51000-0x0000000074A52000-memory.dmp

Filesize
4KB

Download
memory/2140-1-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-2-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-15-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2652-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2652-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2652-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2664-16-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2664-17-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2664-18-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2664-25-0x0000000074A50000-0x0000000074FFB000-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