njrat | fa782fccfb9233890a5bfce7def3b8bae0ff44e0a1f01e54be4902540bfa76f1

General

Target

4e49377627bdb3bc5412e6b7620df720N.exe
Size

116KB
MD5

4e49377627bdb3bc5412e6b7620df720
SHA1

c4cf7eac84cc21c1e86107e2accd5f3125063988
SHA256

fa782fccfb9233890a5bfce7def3b8bae0ff44e0a1f01e54be4902540bfa76f1
SHA512

935eb0500c7a2a2ef1482127e674acf38211f9e804c7faa3aaf5e65afc2184beecf4e17975811e168b045aea0f100ab992e8ac30303f93f31a1f3424339525d9
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLo:P5eznsjsguGDFqGZ2rDLo

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
2284	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	4e49377627bdb3bc5412e6b7620df720N.exe

Executes dropped EXE 2 IoCs

pid	Process
3900	chargeable.exe
3968	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	4e49377627bdb3bc5412e6b7620df720N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4e49377627bdb3bc5412e6b7620df720N.exe"	4e49377627bdb3bc5412e6b7620df720N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3900 set thread context of 3968	3900	chargeable.exe	93

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	4e49377627bdb3bc5412e6b7620df720N.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	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe
Token: 33	3968	chargeable.exe
Token: SeIncBasePriorityPrivilege	3968	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 3900	712	4e49377627bdb3bc5412e6b7620df720N.exe	90
PID 712 wrote to memory of 3900	712	4e49377627bdb3bc5412e6b7620df720N.exe	90
PID 712 wrote to memory of 3900	712	4e49377627bdb3bc5412e6b7620df720N.exe	90
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3900 wrote to memory of 3968	3900	chargeable.exe	93
PID 3968 wrote to memory of 2284	3968	chargeable.exe	94
PID 3968 wrote to memory of 2284	3968	chargeable.exe	94
PID 3968 wrote to memory of 2284	3968	chargeable.exe	94

C:\Users\Admin\AppData\Local\Temp\4e49377627bdb3bc5412e6b7620df720N.exe
"C:\Users\Admin\AppData\Local\Temp\4e49377627bdb3bc5412e6b7620df720N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:712
- 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:3900
- - 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:3968
  - - 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:2284

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
116KB

MD5
26e1e35439acaecb32869da044a133e1

SHA1
270beef4fd32f7370847730edd8ab39f51ae0cf9

SHA256
5af86a75a88d17eee2ae58df0e2ccdbea88f646caf5bbd226e8bd58eb25b0249

SHA512
ea2ef38d48aa145c3163f9a9b16f0d6e7e141f8ccc46a3e90d2d4e5cfd352c5ad58e0d096180dc41106970ecedda198e5303a1f986a9242783d2681ecd7e0385

Download Submit
memory/712-7-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/712-1-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/712-0-0x0000000074F02000-0x0000000074F03000-memory.dmp

Filesize
4KB

Download
memory/712-2-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/712-6-0x0000000074F02000-0x0000000074F03000-memory.dmp

Filesize
4KB

Download
memory/712-19-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/712-20-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/3900-21-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/3900-27-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/3900-22-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/3968-28-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/3968-29-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/3968-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3968-30-0x0000000074F00000-0x00000000754B1000-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