njrat | 5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 14:41

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General

Target
5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe
Size 114KB
Sample240522-r2eshseg2w
SHA256 5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6
MD5 4be9986eb800ea45ff736671e9756ffe
SHA1 e30372bd80efe2da17d21e4026ab2a42b1572290
SHA512 4fb83428ad5899f2134dad76fb4c098b5037d1c0e5d8924741fab9d75b003838b15756cd4016cdfd99da82ff6913d6d6efc7ae9f3beaa1995346ef0ef5d46d22
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat6QK:P5eznsjsguGDFqGZ2rih
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf evasion persistence 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
2364	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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe

Executes dropped EXE 2 IoCs

pid	Process
1028	chargeable.exe
2676	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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe"	5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1028 set thread context of 2676	1028	chargeable.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe
Token: 33	2676	chargeable.exe
Token: SeIncBasePriorityPrivilege	2676	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 1028	2252	5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe	86
PID 2252 wrote to memory of 1028	2252	5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe	86
PID 2252 wrote to memory of 1028	2252	5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe	86
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 1028 wrote to memory of 2676	1028	chargeable.exe	87
PID 2676 wrote to memory of 2364	2676	chargeable.exe	95
PID 2676 wrote to memory of 2364	2676	chargeable.exe	95
PID 2676 wrote to memory of 2364	2676	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe
"C:\Users\Admin\AppData\Local\Temp\5e0316581c455ebfae4775fe8b37bca0e7e451839553916920f20b3a7269e9c6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2252
- 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:1028
- - 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:2676
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:2364

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

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

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

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 114KB
SHA256 65e15e3dcb515cff9f93ec85dd458606722734b5f10ca5aa1466712170b0caaa
MD5 5c87ec8cc6db4089636c99c2840a35a8
SHA1 e116ffc69ff12e5eecff53bc7ffaa3fd586fd670
SHA512 bdefc989be1a72b26063b247f95740235b010a90af4c8b8e9084885cedc714835a872f94f01608b9e9f3c25dca7cad010a9f1a8e943b564cdd4c6a5b87676633
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat6Qb:P5eznsjsguGDFqGZ2riM
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1028-18-0x0000000074D30000-0x00000000752E1000-memory.dmp

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memory/1028-19-0x0000000074D30000-0x00000000752E1000-memory.dmp

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memory/1028-24-0x0000000074D30000-0x00000000752E1000-memory.dmp

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memory/2252-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

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memory/2252-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

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memory/2252-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

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memory/2252-17-0x0000000074D30000-0x00000000752E1000-memory.dmp

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memory/2676-20-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2676-23-0x0000000074D30000-0x00000000752E1000-memory.dmp

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memory/2676-25-0x0000000074D30000-0x00000000752E1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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