njrat | 05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513

General

Target

05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe
Size

114KB
MD5

cf41482e3fbc22f0ec0125d4a2e63830
SHA1

300d07cbcec7dca6aefda39ce7334992479d9b9a
SHA256

05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513
SHA512

cd7ea1e913b4b6957ad5bf0d7c85a9dd06d935eb377397904bd110ea3d56d015a750507bafc48bafad624f805b0c6f51a4960a67a3418ebbd1e199995b46e77a
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vry:w5eznsjsguGDFqGx8egoxmO3rvm

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
4272	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe

Executes dropped EXE 2 IoCs

pid	Process
4864	chargeable.exe
4372	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe"	05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 4372	4864	chargeable.exe	87

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe
Token: 33	4372	chargeable.exe
Token: SeIncBasePriorityPrivilege	4372	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 4864	3868	05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe	82
PID 3868 wrote to memory of 4864	3868	05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe	82
PID 3868 wrote to memory of 4864	3868	05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe	82
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4864 wrote to memory of 4372	4864	chargeable.exe	87
PID 4372 wrote to memory of 4272	4372	chargeable.exe	91
PID 4372 wrote to memory of 4272	4372	chargeable.exe	91
PID 4372 wrote to memory of 4272	4372	chargeable.exe	91

C:\Users\Admin\AppData\Local\Temp\05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe
"C:\Users\Admin\AppData\Local\Temp\05f9bdd6bed8951266a839e8639e61a977813940f3888c168125d21c2bb3b513N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3868
- 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:4864
- - 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:4372
  - - 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:4272

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
114KB

MD5
d7a53120bd77a2e0600a6063b840401d

SHA1
9ed792698bac653378860954c3c7377f6b5e86ea

SHA256
6201beff7b3d10e180acee623ba4375e531c1838c4f27118b3ad0c08f7d8b7d4

SHA512
b7e9bfdb788cef9721e32c69c2a40e2781b2fe157ea9422008577509bc4c890537612c63d70d68a0d16a70877638fa52dd50b44eecce2c44eea2872a256ed37e

Download Submit
memory/3868-19-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/3868-6-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/3868-7-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/3868-2-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/3868-0-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/3868-1-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4372-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4372-27-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4372-28-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4372-29-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4864-20-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4864-21-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4864-26-0x0000000075370000-0x0000000075921000-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