njrat | e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192

General

Target

e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
Size

118KB
MD5

aec50297f7d8b894a11c327055765780
SHA1

53bdc14abdb2ad04843916d49510e79f92d60c81
SHA256

e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192
SHA512

47d1df3866fdf999a91cf3c665679a8e718de4fd1f85075dcb67fbbf9796006f2cbf66402e59fb55f983c633d53f28c0e530c5383735a5d79e1d759e1ecc0c4e
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgl:P5eznsjsguGDFqGZ2rDLk

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
916	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe

Executes dropped EXE 3 IoCs

pid	Process
600	chargeable.exe
3968	chargeable.exe
832	chargeable.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe"	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 600 set thread context of 3968	600	chargeable.exe	90
PID 600 set thread context of 832	600	chargeable.exe	89

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2148	832	WerFault.exe	89

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	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 600	2440	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe	86
PID 2440 wrote to memory of 600	2440	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe	86
PID 2440 wrote to memory of 600	2440	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe	86
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 3968	600	chargeable.exe	90
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 600 wrote to memory of 832	600	chargeable.exe	89
PID 3968 wrote to memory of 916	3968	chargeable.exe	101
PID 3968 wrote to memory of 916	3968	chargeable.exe	101
PID 3968 wrote to memory of 916	3968	chargeable.exe	101

C:\Users\Admin\AppData\Local\Temp\e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
"C:\Users\Admin\AppData\Local\Temp\e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- 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:600
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 80
      4⤵
      Program crash
      PID:2148
- - 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:3968
  - - 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:916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 832 -ip 832
1⤵
PID:4520

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

Query Registry

1

T1012

System Information Discovery

2

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
118KB

MD5
0bd9838d59671677499611d0d897140b

SHA1
34a74fa51aa03450dc8a6c2578784b4e5a075891

SHA256
d3131779df3be2bf57c6f1ec1531fe6aaa4c700eb8169d275a38796341b430b3

SHA512
83c7a3b9ed9b2985829cdfcceb83654200be18ed12dee78079a5c417a8b888426b759b368bde2a0a8bfccfd4e7992f64001ab5399140516013ec6008dbe850a5

Download Submit
memory/600-30-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/600-22-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/600-21-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/600-23-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2440-20-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2440-19-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2440-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2440-7-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2440-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2440-6-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/2440-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/3968-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3968-29-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3968-31-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3968-32-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3968-33-0x00000000754B0000-0x0000000075A61000-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