njrat | 5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241

General

Target

5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe
Size

114KB
MD5

e254acbfcf1f4397c82f56e015f1e850
SHA1

2b475d4f685deb8b677067aaae51043130726be4
SHA256

5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241
SHA512

79a9e556e0621d0225ebf3c51d46488c5e3e68d06f56564f0dc12b7747e3e9bcd24833ea221970e2a6f95f35dbe80b9890ada416204dbb8a9dd6fd3510b72048
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vr/:w5eznsjsguGDFqGx8egoxmO3rvT

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
2904	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2968	chargeable.exe
2980	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2364	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe
2364	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.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"	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.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\\5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe"	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2980	2968	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe
Token: 33	2980	chargeable.exe
Token: SeIncBasePriorityPrivilege	2980	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2968	2364	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe	31
PID 2364 wrote to memory of 2968	2364	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe	31
PID 2364 wrote to memory of 2968	2364	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe	31
PID 2364 wrote to memory of 2968	2364	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe	31
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2968 wrote to memory of 2980	2968	chargeable.exe	32
PID 2980 wrote to memory of 2904	2980	chargeable.exe	33
PID 2980 wrote to memory of 2904	2980	chargeable.exe	33
PID 2980 wrote to memory of 2904	2980	chargeable.exe	33
PID 2980 wrote to memory of 2904	2980	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe
"C:\Users\Admin\AppData\Local\Temp\5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- 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:2968
- - 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:2980
  - - 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:2904

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
09b44566dd7b5ebea24d1ea7257456a9

SHA1
31beb499bc03504ca480631e67620fb47e518709

SHA256
aa612891f9ec0c11be88b64159c6f5a76edfa49a90a31dde36337df11a97aa28

SHA512
d61d273b8ad25a8f92c0f5e512494eecc4e1f49bdce955dd265461800bde37914640b13691a825d4f94c42f31b157952a68a210306b35a5074086e4392cf4ba2

Download Submit
memory/2364-16-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-2-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-1-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-0-0x0000000074171000-0x0000000074172000-memory.dmp

Filesize
4KB

Download
memory/2364-15-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-17-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-18-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-25-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-26-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2980-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads