njrat | 661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3b

General

Target

661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe
Size

119KB
MD5

3a4047aeee85f80d67182ead056273a0
SHA1

c95c5b85e9a940f46cfe30fde0c19d4d0e6783a2
SHA256

661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3b
SHA512

94913b8058afef9537905f1d147de8078b14ab48cb57dc6d0daf09b0c2d30f92ca1ce121628954d23f3de5a45e307f76cf64eaade34c73715c0f3cafe8b3fd15
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14X3Y:P5eznsjsguGDFqGZ2rDL14X3Y

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/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
1004	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe

Executes dropped EXE 2 IoCs

pid	Process
4620	chargeable.exe
4460	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe"	661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4620 set thread context of 4460	4620	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	661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.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

description	pid	Process
Token: SeDebugPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe
Token: 33	4460	chargeable.exe
Token: SeIncBasePriorityPrivilege	4460	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 4620	1828	661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe	82
PID 1828 wrote to memory of 4620	1828	661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe	82
PID 1828 wrote to memory of 4620	1828	661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe	82
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4620 wrote to memory of 4460	4620	chargeable.exe	83
PID 4460 wrote to memory of 1004	4460	chargeable.exe	84
PID 4460 wrote to memory of 1004	4460	chargeable.exe	84
PID 4460 wrote to memory of 1004	4460	chargeable.exe	84

C:\Users\Admin\AppData\Local\Temp\661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe
"C:\Users\Admin\AppData\Local\Temp\661ffa3a94091e6145e20ab9c8c172ef532b981b93c7deef9f0508250bab3a3bN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1828
- 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:4620
- - 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:4460
  - - 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:1004

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
4ec627aeae89be30ea751f05b68476f9

SHA1
405965ceeb30012112cc04baff24bf2dcc3cad49

SHA256
fa958d68f40bc1e4d023690f8b61d07d862f0eafef24f0a15ab92a7c2c0bdd62

SHA512
c2bf9a3c37b9f78dabd7afb523d56d96adbe0bd91a040f5e92cd55fcdc83f431e09887f31bf4ad5cdf5a112a86a1e7fa0b75afd5259af93219b3b008db7c21ff

Download Submit
memory/1828-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/1828-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1828-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1828-6-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/1828-7-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1828-19-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/1828-20-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4460-28-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4460-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4460-30-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4460-31-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4620-23-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4620-21-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4620-22-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4620-29-0x0000000074EA0000-0x0000000075451000-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