njrat | 0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 18:35

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General

Target
0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe
Size 118KB
Sample240807-w8l8dssapm
SHA256 0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228
MD5 c5e1a9165704a33665b8fc5690da6775
SHA1 bf3044c4bd9318272c1c7294e37a89f3fed9688c
SHA512 ba973f2c9ad9df046d338a91e3c33adffd84cbab6ba79c39cdc9b1c4ef8a40ff0303e338de224b797506cb5c922429a0706353734a744b8112853424aae7631e
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZlw:P5eznsjsguGDFqGZ2rDLA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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
32	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe

Executes dropped EXE 2 IoCs

pid	Process
1716	chargeable.exe
3276	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe"	0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 3276	1716	chargeable.exe	87

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	0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.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	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 1716	4996	0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe	86
PID 4996 wrote to memory of 1716	4996	0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe	86
PID 4996 wrote to memory of 1716	4996	0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe	86
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 1716 wrote to memory of 3276	1716	chargeable.exe	87
PID 3276 wrote to memory of 32	3276	chargeable.exe	88
PID 3276 wrote to memory of 32	3276	chargeable.exe	88
PID 3276 wrote to memory of 32	3276	chargeable.exe	88

C:\Users\Admin\AppData\Local\Temp\0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe
"C:\Users\Admin\AppData\Local\Temp\0913864b29f64f75b6ddb8b2adc60f1af4096314c93545637f89379dec630228.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- 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:1716
- - 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:3276
  - - 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:32

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

chargeable.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
Size 400B
SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
MD5 0a9b4592cd49c3c21f6767c2dabda92f
SHA1 f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA512 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
MD5 SHA1 SHA512

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chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 118KB
SHA256 8b41c350ffe16bb243c55932cf10afd8d6c7d0050d2344d8343e0cc07f1e70c9
MD5 72abb015245be9b1df5b289a54066e51
SHA1 66c66b5f5a376a23bc75996a6c8aed53324a7427
SHA512 572136617ce0a292eb09ad392d48020f657f13435dc3f1f539aa9a910158bb0ade8ef54e61eecfe73d731730b2642463ab4099630a1a9e129f50093d5ccdaf98
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZle:P5eznsjsguGDFqGZ2rDLu
MD5 SHA1 SHA512 SSDEEP

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memory/1716-18-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/1716-19-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/1716-20-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/1716-27-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/3276-21-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/3276-25-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/3276-26-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/3276-28-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/4996-2-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/4996-0-0x00000000752C2000-0x00000000752C3000-memory.dmp

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memory/4996-17-0x00000000752C0000-0x0000000075871000-memory.dmp

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memory/4996-1-0x00000000752C0000-0x0000000075871000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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