njrat | 25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bff

General

Target

25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe
Size

115KB
MD5

23fcf061055a57bff56bf1cb8c39ba00
SHA1

7333eb694dff7292c836aa4cac34c3fe24ac3df8
SHA256

25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bff
SHA512

c1efc0bd869c7ed2d302ce2bc31521bedf0270be05e1f7838c9746387549d3273160f2b9f36708aa474cbbad353afa8dac288b39b569f03cb30eafd230f6c5f9
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeRmf:P5eznsjsguGDFqGZ2rc+

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

Processes:

netsh.exe

pid process

2292 netsh.exe

pid	process
2292	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

Processes:

25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid process

4048 chargeable.exe
4836 chargeable.exe

pid	process
4048	chargeable.exe
4836	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe"	25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description pid process target process

PID 4048 set thread context of 4836 4048 chargeable.exe chargeable.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4048 set thread context of 4836	4048	chargeable.exe	chargeable.exe

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

Processes:

netsh.exe

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

Processes:

chargeable.exechargeable.exenetsh.exe25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe

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	25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

chargeable.exe

description	pid	process
Token: SeDebugPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe
Token: 33	4836	chargeable.exe
Token: SeIncBasePriorityPrivilege	4836	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exechargeable.exechargeable.exe

description	pid	process	target process
PID 2712 wrote to memory of 4048	2712	25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe	chargeable.exe
PID 2712 wrote to memory of 4048	2712	25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe	chargeable.exe
PID 2712 wrote to memory of 4048	2712	25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4048 wrote to memory of 4836	4048	chargeable.exe	chargeable.exe
PID 4836 wrote to memory of 2292	4836	chargeable.exe	netsh.exe
PID 4836 wrote to memory of 2292	4836	chargeable.exe	netsh.exe
PID 4836 wrote to memory of 2292	4836	chargeable.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe
"C:\Users\Admin\AppData\Local\Temp\25f669ea146d8f2c977320f30656e2dd192147dc8c1760b6dcc028eb4ff37bffN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:4048
- - 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:4836
  - - 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:2292

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
22a129cd880e6121fece45cf54f93793

SHA1
62629dec97ccf0796d222934ad1353fc6b18a04b

SHA256
d4cd0decd9dc59d5c57b60c2d3ec486c76c495393f87ab6d489085cbcec2f8f5

SHA512
0c0154bbf350ad43b4615fb66a2f4c640932a6de356dda253d0ebf89811d1183b178d70fdefd5ede319ceb5d20d5fe44d850d85ee9ae2cf7125c6d559b8e854e

Download Submit
memory/2712-7-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/2712-1-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/2712-0-0x0000000074B72000-0x0000000074B73000-memory.dmp

Filesize
4KB

Download
memory/2712-2-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/2712-19-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/2712-20-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/2712-6-0x0000000074B72000-0x0000000074B73000-memory.dmp

Filesize
4KB

Download
memory/4048-21-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/4048-23-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/4048-22-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/4048-29-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/4836-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4836-28-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/4836-30-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/4836-31-0x0000000074B70000-0x0000000075121000-memory.dmp

Filesize
5.7MB

Download
memory/4836-32-0x0000000074B70000-0x0000000075121000-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