njrat | fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047c

Analysis

max time kernel
114s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 07:47

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General

Target

fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe
Size

116KB
MD5

b471fd848cbf9696c5e45097c87b3460
SHA1

9e8a47bcdb574d4dbbcd70df0c99a61efde67a37
SHA256

fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047c
SHA512

bbe50ed240d9279bda40095c1a1b310e84e3e8189e59563bb753d86bce8a1f0fa32f0f00ce398541b616958847394b0e57f08ece25c04abac643ecb958d4ea37
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLi:P5eznsjsguGDFqGZ2rDLi

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
2112	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
824	chargeable.exe
2900	chargeable.exe
2688	chargeable.exe
2908	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2164	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe
2164	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe"	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 824 set thread context of 2900	824	chargeable.exe	33
PID 824 set thread context of 2688	824	chargeable.exe	32
PID 824 set thread context of 2908	824	chargeable.exe	31

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	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe
Token: 33	2900	chargeable.exe
Token: SeIncBasePriorityPrivilege	2900	chargeable.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 824	2164	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe	30
PID 2164 wrote to memory of 824	2164	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe	30
PID 2164 wrote to memory of 824	2164	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe	30
PID 2164 wrote to memory of 824	2164	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe	30
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2900	824	chargeable.exe	33
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2688	824	chargeable.exe	32
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 824 wrote to memory of 2908	824	chargeable.exe	31
PID 2900 wrote to memory of 2112	2900	chargeable.exe	34
PID 2900 wrote to memory of 2112	2900	chargeable.exe	34
PID 2900 wrote to memory of 2112	2900	chargeable.exe	34
PID 2900 wrote to memory of 2112	2900	chargeable.exe	34

C:\Users\Admin\AppData\Local\Temp\fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe
"C:\Users\Admin\AppData\Local\Temp\fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2164
- 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:824
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2908
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2688
- - 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:2900
  - - 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:2112

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

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
56247bcac93f9da03f56cca658c5c986

SHA1
6105b4af1c2698ff4b5f47fe24661b9028a28964

SHA256
e67bf90b70eb077eac11808ea7b532ea04e9139518597095eb7a78e82b92c8e0

SHA512
6c9078578fdfab97b0ee523a7e59e9786b8d3e701aafffade2ff2014d898a5322364b9713c95e6de7a8cce9b910e7fbb0edf9ddc6d43bbec1c334c1cecbe6ddf

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
172b8d8e4031c7ecf3093e7ad1ef00c2

SHA1
550d6e9fbffa33192b7dafc41154b9d61116206b

SHA256
d9bbe9bf0344061c39de68281a8279c82c6a58303068f8c589da1c83f94a67b7

SHA512
f6662d3580fbe35fd137ef60926b723ea25ee44b43d51bf1123b944bc7d62b54e74785bb691c5026167e7a092ae53211d901f63efc2a6c18dc14f0290680c902

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
3510923af55415e3e0941ef71a4605d1

SHA1
d6c64936a65e79c9aa653b8faf1969179b79effd

SHA256
91d83c8a62ee3829d752cdbf21afb65f65630629a063971e200bee2f924c860b

SHA512
7ee38b1a793a9a79b68db3c5641871fbc49f18642395bd03ef9695096292579edaa0aded8cae1bad9d98479c15acb8144a39eba37f0ed3c1b6d301d5c8eaed03

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabEC44.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarEC67.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
116KB

MD5
ba87f09bd44d1acc7d58e95d42035e06

SHA1
7ca6169d8df5560dbdc76817084582a8b9e9e5ba

SHA256
ea054411e8cb8e78d9d91f0cf1ae58ca16b0b7293785c5c4a72171753732e6de

SHA512
d37e6c91c44ef9f4e9f19d2a3cd65baf87eb13c227d05e88cde68a692fa0ce5289361ae9b7fe0ec8a5db713e296c3b3fe8e92277e6935df9ffa57a07978122b3

Download Submit
memory/2164-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

Filesize
4KB

Download
memory/2164-8-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2164-176-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2900-345-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2900-344-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2900-340-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads