njrat | c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324

General

Target

c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe
Size

115KB
MD5

068b30a7fe9e7667255a245530df417d
SHA1

4bb22f2b6565b693c3cce69d91c68735c2a24059
SHA256

c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324
SHA512

cb177ad2748c5ba9119635af40330bb1496c2a5c46dea744947065095e2a6c5b71ebaf38173673503ec2078e192c7e88375575d2cf92bafc2191c87a43798b8a
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmMi:w5eznsjsguGDFqGx8egoxmO3rRmP

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
5100	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe

Executes dropped EXE 2 IoCs

pid	Process
2088	chargeable.exe
4504	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe"	c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2088 set thread context of 4504	2088	chargeable.exe	91

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	c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe
Token: 33	4504	chargeable.exe
Token: SeIncBasePriorityPrivilege	4504	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2088	1420	c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe	84
PID 1420 wrote to memory of 2088	1420	c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe	84
PID 1420 wrote to memory of 2088	1420	c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe	84
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 2088 wrote to memory of 4504	2088	chargeable.exe	91
PID 4504 wrote to memory of 5100	4504	chargeable.exe	98
PID 4504 wrote to memory of 5100	4504	chargeable.exe	98
PID 4504 wrote to memory of 5100	4504	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe
"C:\Users\Admin\AppData\Local\Temp\c3d9caaeaf98c26409460994ae65613e3fbad63418c1a4c52a66be504acd3324.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420
- 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:2088
- - 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:4504
  - - 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:5100

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
115KB

MD5
60c464085c10762ed47a1887868cb5db

SHA1
97026db54ef21d1d39d533ed90e0558bff2feea0

SHA256
5c41c0c7473baa1d3fff81fd5cce73077326355216e22c30d37ea8cebc83e885

SHA512
ba29d7b2161e20c4319494522d24503ba02154b6c414ac6145730377f431eccdea2fe43f2d0fdd96bc43c544628ec2061b7710d2b588dbe7ff4c1c3424e564a0

Download Submit
memory/1420-19-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1420-1-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1420-2-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1420-6-0x0000000074F52000-0x0000000074F53000-memory.dmp

Filesize
4KB

Download
memory/1420-7-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1420-0-0x0000000074F52000-0x0000000074F53000-memory.dmp

Filesize
4KB

Download
memory/2088-20-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/2088-21-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/2088-27-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/4504-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4504-26-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/4504-28-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/4504-29-0x0000000074F50000-0x0000000075501000-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