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
2908	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
624	chargeable.exe
2868	chargeable.exe
2944	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2616	3c0659326c9db90722af36eb71ced388.exe
2616	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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	3c0659326c9db90722af36eb71ced388.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3c0659326c9db90722af36eb71ced388.exe"	3c0659326c9db90722af36eb71ced388.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 624 set thread context of 2868	624	chargeable.exe	32
PID 624 set thread context of 2944	624	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 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	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	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 624	2616	3c0659326c9db90722af36eb71ced388.exe	30
PID 2616 wrote to memory of 624	2616	3c0659326c9db90722af36eb71ced388.exe	30
PID 2616 wrote to memory of 624	2616	3c0659326c9db90722af36eb71ced388.exe	30
PID 2616 wrote to memory of 624	2616	3c0659326c9db90722af36eb71ced388.exe	30
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2868	624	chargeable.exe	32
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 624 wrote to memory of 2944	624	chargeable.exe	31
PID 2868 wrote to memory of 2908	2868	chargeable.exe	34
PID 2868 wrote to memory of 2908	2868	chargeable.exe	34
PID 2868 wrote to memory of 2908	2868	chargeable.exe	34
PID 2868 wrote to memory of 2908	2868	chargeable.exe	34

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:2616
- 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:624
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2944
- - 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:2868
  - - 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:2908

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
d44411a5c83caa2a1b79bb767d6480b6

SHA1
ca182bf3017d6260a9284b4b15704d59443093c6

SHA256
50f796452d70fe1698666264f2936e0a304c29ea45a0e20fed0e461c0f1edcb6

SHA512
73fefed037dca60cc118e7599521d6e221cd36f9dde84773e97c2e3fa4e0b48ba052d34b470ad7df7fc1b471aec65832718ab7f6e7bd0deb787c7ec26a0256b4

Download Submit
memory/624-19-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/624-29-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/624-22-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/624-17-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/624-18-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-6-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-16-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-0-0x0000000074AD1000-0x0000000074AD2000-memory.dmp

Filesize
4KB

Download
memory/2616-2-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-1-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2868-26-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2868-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2868-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads