njrat | e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7

General

Target

e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe
Size

115KB
MD5

3b3fb0d2b49701581db19be40624f489
SHA1

6251b652e29230378d9d5a2cc25d8e1747f348c9
SHA256

e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7
SHA512

1dd5ed2974d857974941fca8b2894318f915edd7fbd0f8d049f924755d28cd5f39fe7d941d4e174e0e02bad9a2374765868b42b6cf83be58a5fc9dcf4e8cf778
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmPH:w5eznsjsguGDFqGx8egoxmO3rRmf

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
2572	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2712	chargeable.exe
2524	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
3044	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe
3044	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe"	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2524	2712	chargeable.exe	29

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	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.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	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2712	3044	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe	28
PID 3044 wrote to memory of 2712	3044	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe	28
PID 3044 wrote to memory of 2712	3044	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe	28
PID 3044 wrote to memory of 2712	3044	e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe	28
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2712 wrote to memory of 2524	2712	chargeable.exe	29
PID 2524 wrote to memory of 2572	2524	chargeable.exe	30
PID 2524 wrote to memory of 2572	2524	chargeable.exe	30
PID 2524 wrote to memory of 2572	2524	chargeable.exe	30
PID 2524 wrote to memory of 2572	2524	chargeable.exe	30

C:\Users\Admin\AppData\Local\Temp\e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe
"C:\Users\Admin\AppData\Local\Temp\e2f3fb9ca8aafb5a580d3676c59f68ce40f0e472d4efcc37a10c5374642b3ec7.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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:2712
- - 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:2524
  - - 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:2572

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

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

Filesize
115KB

MD5
699051418f441c544366ec12850e2644

SHA1
b5a41be4e999125f0619c79e545bf86e2ce91fa0

SHA256
95c6a447b72297147c6d87896f09b6dc89a33adac4046fd9b18a6852a0450f1d

SHA512
71da7a0afb7f82db663e84a01d1f612b6eabd3abc3da336dcb4751e6c4ecf2a572346fc2b13e6fa3012a73214dce94e75ab9054af3e426d3fe0686ec0cd4199e

Download Submit
memory/2524-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2524-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2524-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2712-26-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-25-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-17-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-18-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/3044-6-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/3044-16-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/3044-0-0x00000000745B1000-0x00000000745B2000-memory.dmp

Filesize
4KB

Download
memory/3044-2-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/3044-1-0x00000000745B0000-0x0000000074B5B000-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