njrat | 0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
18/07/2024, 14:33

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General

Target
0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe
Size 117KB
Sample240718-rw458asflq
SHA256 0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139
MD5 36caa45c45b3b9819dda8b75b1096bb4
SHA1 a053a6f2bb19a5ea674696b70014a5286916f4a3
SHA512 0848371a9807cee30b6f880d6521dc18d325d9698e2ef4a40cb552d05d26edb9fc4f24157a5af52001be61fdfd39421563c0d3306f0c041dacc85e030bf97b0d
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ:P5eznsjsguGDFqGZ2rDLZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf 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
5360	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-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation	0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe

Executes dropped EXE 2 IoCs

pid	Process
2252	chargeable.exe
1640	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-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe"	0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 1640	2252	chargeable.exe	96

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe
Token: 33	1640	chargeable.exe
Token: SeIncBasePriorityPrivilege	1640	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 2252	4452	0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe	94
PID 4452 wrote to memory of 2252	4452	0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe	94
PID 4452 wrote to memory of 2252	4452	0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe	94
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 2252 wrote to memory of 1640	2252	chargeable.exe	96
PID 1640 wrote to memory of 5360	1640	chargeable.exe	97
PID 1640 wrote to memory of 5360	1640	chargeable.exe	97
PID 1640 wrote to memory of 5360	1640	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe
"C:\Users\Admin\AppData\Local\Temp\0c592dacdd46cc39bd5f0ecba98432d3ef859d60a4e5f1f5802b50d530a5c139.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1640
  - - 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
      PID:5360

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

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 117KB
SHA256 bfc116aa9587c15d9b8b5db38ed22e74fbadc1bb84216d949c16e005c8530d02
MD5 ee62bf25ef60cff1385274d578e7bb58
SHA1 096e4b3b086274abd304570193aaf41554c6c7b6
SHA512 6d2658480396496bd31f77da93c15ec206e5605685f840333aff484baeb4aaf8342a73c30b9e26eacab11d8523b317c7e4c629a00e02a244c9d88386c36b0e30
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL9:P5eznsjsguGDFqGZ2rDL9
MD5 SHA1 SHA512 SSDEEP

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memory/1640-19-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1640-24-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/1640-25-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/2252-18-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/2252-23-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/4452-0-0x00000000750D2000-0x00000000750D3000-memory.dmp

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memory/4452-1-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/4452-2-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/4452-17-0x00000000750D0000-0x0000000075681000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads