njrat | 5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 02:26

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General

Target

5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
Size

114KB
MD5

01147c2d8d629fb6a6902102f2513f01
SHA1

21dbf1fa09d529fc00a598567449ca09f059f0ec
SHA256

5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1
SHA512

0a7f6087ca037036c6295ddecc121a7d9c244a81da12515f16b6db81454a84a4f68054a6533bd0ea6fbf05131c26f679f9332b9b2d50d002669b434ae3a8c433
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vry:w5eznsjsguGDFqGx8egoxmO3rvm

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 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

pid	Process
1924	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe

Executes dropped EXE 4 IoCs

pid	Process
3696	chargeable.exe
4048	chargeable.exe
5040	chargeable.exe
3924	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe"	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3696 set thread context of 4048	3696	chargeable.exe	90
PID 3696 set thread context of 5040	3696	chargeable.exe	89
PID 3696 set thread context of 3924	3696	chargeable.exe	88

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process
3440	3924	WerFault.exe
1056	5040	WerFault.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	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.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	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe
Token: 33	4048	chargeable.exe
Token: SeIncBasePriorityPrivilege	4048	chargeable.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 3696	2396	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	86
PID 2396 wrote to memory of 3696	2396	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	86
PID 2396 wrote to memory of 3696	2396	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	86
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 4048	3696	chargeable.exe	90
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 5040	3696	chargeable.exe	89
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 3696 wrote to memory of 3924	3696	chargeable.exe	88
PID 4048 wrote to memory of 1924	4048	chargeable.exe	98
PID 4048 wrote to memory of 1924	4048	chargeable.exe	98
PID 4048 wrote to memory of 1924	4048	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
"C:\Users\Admin\AppData\Local\Temp\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- 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:3696
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:3924
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 80
      4⤵
      Program crash
      PID:3440
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:5040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 84
      4⤵
      Program crash
      PID:1056
- - 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:4048
  - - 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:1924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3924 -ip 3924
1⤵
PID:2112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5040 -ip 5040
1⤵
PID:3164

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

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
114KB

MD5
70be0a47cb24c757703527e7cb13c1b9

SHA1
38f8bd32a63e0f5a2f96075534013a8ea2cc7f71

SHA256
37a5e0e71058ab5870abefa14c125eee3f589f720b9006e4cc7b9027fb04c522

SHA512
8ef8383e3e9df2c7f31bf086d03ac39fead22e138f0a72e430f64c75cb6aa2e8f318413eb389b0decd89814b800edd89d12ded886b77ccdd6406466252918afd

Download Submit
memory/2396-1-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2396-2-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2396-6-0x0000000074E82000-0x0000000074E83000-memory.dmp

Filesize
4KB

Download
memory/2396-7-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2396-20-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2396-19-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2396-0-0x0000000074E82000-0x0000000074E83000-memory.dmp

Filesize
4KB

Download
memory/3696-22-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/3696-23-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/3696-21-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/3696-33-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/4048-32-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/4048-34-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/4048-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4048-35-0x0000000074E80000-0x0000000075431000-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