njrat | 18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960

General

Target

18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe
Size

113KB
MD5

adbb33ce73a4b2ba22b9f464ed25d63c
SHA1

d8b1d53f80184066e276388c66552657398da743
SHA256

18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960
SHA512

0534aed6908bd80b32dbf617fcc62e96db840389c41628596bb586071ce420b2208ef07f1f4e9ee28abb138c49efa8afc4219afb992774572763d92e747453e8
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vW:w5eznsjsguGDFqGx8egoxmO3rvW

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
1180	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe

Executes dropped EXE 2 IoCs

pid	Process
2852	chargeable.exe
1948	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.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\\18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe"	18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 1948	2852	chargeable.exe	83

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

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	18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe
Token: 33	1948	chargeable.exe
Token: SeIncBasePriorityPrivilege	1948	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 2852	3508	18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe	82
PID 3508 wrote to memory of 2852	3508	18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe	82
PID 3508 wrote to memory of 2852	3508	18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe	82
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 2852 wrote to memory of 1948	2852	chargeable.exe	83
PID 1948 wrote to memory of 1180	1948	chargeable.exe	88
PID 1948 wrote to memory of 1180	1948	chargeable.exe	88
PID 1948 wrote to memory of 1180	1948	chargeable.exe	88

C:\Users\Admin\AppData\Local\Temp\18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe
"C:\Users\Admin\AppData\Local\Temp\18b10b5ad341f85d38535da10cf4fe3b982fc2ed76b363f87b86b575d3eef960.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508
- 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:2852
- - 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:1948
  - - 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:1180

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
113KB

MD5
bf7a3d7eb893370fce9bf77c8a3f2763

SHA1
fbbc24238694acfa790f5b866a6d8979f85bda8b

SHA256
69e7cfb7cb0278724e1df1c0a35c6ddefaeecd81f6e7566db68152665f6a7816

SHA512
ba92bf75d9ce3764f3a5b93090314ace360a6fb13bd838d8d1e92f9c798c36fa20725c979abc82e204329aa27212f8f98d04f8f532bfbada495cdb239993754e

Download Submit
memory/1948-28-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/1948-26-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/1948-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2852-21-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/2852-27-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/2852-20-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/3508-6-0x0000000074C02000-0x0000000074C03000-memory.dmp

Filesize
4KB

Download
memory/3508-19-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/3508-7-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/3508-0-0x0000000074C02000-0x0000000074C03000-memory.dmp

Filesize
4KB

Download
memory/3508-2-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/3508-1-0x0000000074C00000-0x00000000751B1000-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