njrat | 87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953

General

Target

87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Size

97KB
MD5

1a2571d1fbd765cbfc662ac7b1670ac5
SHA1

b483fc154e01ca8b5f8b79b0f72f3c6a7559dd41
SHA256

87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953
SHA512

222db62bbfe7993200905775787de3e404e139d06f6877e928a908b0351223f3179de6dad7565999b97983b6b26e142e63f73230f832db6a30e92d50fe8770e2
SSDEEP

1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4X:d5eznsjsguGDFqGX

Score

10^/10

njrat neuf defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2616	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2832	chargeable.exe
2816	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2896	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
2896	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe"	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2816	2832	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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2832	2896	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	30
PID 2896 wrote to memory of 2832	2896	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	30
PID 2896 wrote to memory of 2832	2896	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	30
PID 2896 wrote to memory of 2832	2896	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	30
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2832 wrote to memory of 2816	2832	chargeable.exe	31
PID 2816 wrote to memory of 2616	2816	chargeable.exe	32
PID 2816 wrote to memory of 2616	2816	chargeable.exe	32
PID 2816 wrote to memory of 2616	2816	chargeable.exe	32
PID 2816 wrote to memory of 2616	2816	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
"C:\Users\Admin\AppData\Local\Temp\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2832
- - 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:2816
  - - 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:2616

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
97KB

MD5
7054eb622b634744cba097c831df6e9d

SHA1
d5e88044a6baae7358155a2ba00b13ad143b6406

SHA256
c61ca72487c591926ab867dc4921f4586c7f22d85ed81e74a360ba89df93fa21

SHA512
bb903e26c39c95025d4ed69bfd72c5be1cff3c870d2407f8bb1b17d1e95163e3fa97012519bba38dc36cf643c694e495c606456ad11abffeaa6887c2d1b8f352

Download Submit
memory/2816-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2816-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2816-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-16-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2832-17-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2832-20-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2832-25-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2896-0-0x0000000074B21000-0x0000000074B22000-memory.dmp

Filesize
4KB

Download
memory/2896-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2896-2-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2896-15-0x0000000074B20000-0x00000000750CB000-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