njrat | 5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5ac

General

Target

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
Size

119KB
MD5

b3d02d9163f80063ca0cdabc9787d750
SHA1

f98ad95d0bf597b9d049c2b1acec2a683aa12136
SHA256

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5ac
SHA512

1dce4e3da371d605466fbf0c76d2ca54dd74e6f88455821f0ead41b508cb3ef85530b279072b28b058cb4c78051d7ac0071d18b272c342c4d0f69248209f676b
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FgOP:P5eznsjsguGDFqGZ2rDL14Fge

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

Processes:

netsh.exe

pid	Process
1332	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

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid	Process
2288	chargeable.exe
620	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe"	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 2288 set thread context of 620	2288	chargeable.exe	92

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

Processes:

netsh.exe

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

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exechargeable.exechargeable.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.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

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe
Token: 33	620	chargeable.exe
Token: SeIncBasePriorityPrivilege	620	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 1640 wrote to memory of 2288	1640	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	87
PID 1640 wrote to memory of 2288	1640	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	87
PID 1640 wrote to memory of 2288	1640	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	87
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 2288 wrote to memory of 620	2288	chargeable.exe	92
PID 620 wrote to memory of 1332	620	chargeable.exe	96
PID 620 wrote to memory of 1332	620	chargeable.exe	96
PID 620 wrote to memory of 1332	620	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
"C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- 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:2288
- - 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:620
  - - 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:1332

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\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

Filesize
119KB

MD5
9218098a913b7f5a647a8771f6fa7ded

SHA1
8a970fd95a1d840ab567980044c3e258414b9d76

SHA256
ea08136805b3dd6db7eb2dba713e2f40a4ebc1f5ecaa9af76dd8eef7489082b9

SHA512
0c05d17bb93424d05c0ac605cc2bc32e339f7d21feb0c0968b0846aa3b8f366499ad6502c4f4640f7ce2356a21fafca2f0d055ba1c7200b4b6630f33fb3ab712

Download Submit
memory/620-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/620-29-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/620-28-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/620-26-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/1640-6-0x0000000075562000-0x0000000075563000-memory.dmp

Filesize
4KB

Download
memory/1640-19-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/1640-7-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/1640-0-0x0000000075562000-0x0000000075563000-memory.dmp

Filesize
4KB

Download
memory/1640-2-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/1640-1-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2288-21-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2288-20-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2288-27-0x0000000075560000-0x0000000075B11000-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