njrat | d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88

General

Target

d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe
Size

115KB
MD5

03c2cb1b508e9879356a1b50b55f40e0
SHA1

a05969110ede08711d3c12c4155bfe2523f88835
SHA256

d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88
SHA512

c7c9165a3adadff14526abb7afa4b7ef2d99f3cf34bc293c253a72bafa2b72dea36591602182ec4faf2003d63ab12cc4a5a199e62f4ee73540ed760beb0cb78b
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIb:P5eznsjsguGDFqGZ2rDIb

Score

10^/10

njrat neuf 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/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
2136	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe

Executes dropped EXE 2 IoCs

pid	Process
4936	chargeable.exe
1516	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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe"	d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4936 set thread context of 1516	4936	chargeable.exe	84

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe
Token: 33	1516	chargeable.exe
Token: SeIncBasePriorityPrivilege	1516	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 4936	3508	d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe	83
PID 3508 wrote to memory of 4936	3508	d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe	83
PID 3508 wrote to memory of 4936	3508	d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe	83
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 4936 wrote to memory of 1516	4936	chargeable.exe	84
PID 1516 wrote to memory of 2136	1516	chargeable.exe	85
PID 1516 wrote to memory of 2136	1516	chargeable.exe	85
PID 1516 wrote to memory of 2136	1516	chargeable.exe	85

C:\Users\Admin\AppData\Local\Temp\d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe
"C:\Users\Admin\AppData\Local\Temp\d922132bd6b747e094d0ded4460f854353da88637cba8ab915038b57a2735a88.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- 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
  - Suspicious use of WriteProcessMemory
  PID:4936
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - 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
      PID:2136

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

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
115KB

MD5
7b363a25d693e6659bf191b8006c2ccd

SHA1
bc468ff9f594043c16bb3ac46326d3472680dd15

SHA256
fc58d5c8fc2f83fbbe09282fe726fe314b5db27bcffa89c1a57ab8837860d009

SHA512
52ef7fb4cc972b1d99ee9db03bbb1fabb493c3d05912c2f34a05a66b34648e31e9bf13d8ae02967eed157ff2dd575d2b93f2cd01d9c2268efc9d40485974939e

Download Submit
memory/1516-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1516-25-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/1516-27-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/1516-28-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/3508-2-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/3508-0-0x0000000075092000-0x0000000075093000-memory.dmp

Filesize
4KB

Download
memory/3508-18-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/3508-1-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/4936-17-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/4936-19-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/4936-20-0x0000000075090000-0x0000000075641000-memory.dmp

Filesize
5.7MB

Download
memory/4936-26-0x0000000075090000-0x0000000075641000-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