njrat | 50d9e490042d226bfaeef0b39c7903d4e166803fd743f6e6a7a6c2aaadfd933c

Analysis

max time kernel
148s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 23:55

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General

Target

Rekt/Rekt/33333333333.exe
Size

5.6MB
MD5

054bf72f469f8ab9aa22bbd0ad61921a
SHA1

e676cc65e9610c628cbd3a542f5f4c6e58132146
SHA256

bbd286a15e181385091572031936857e40217bfc8e0e0ae1ca9f5ac8aa2614e8
SHA512

1b735b8a2b00efb816249ba83c9d1f6d63423e21ff32310eab6b7351da99324c659646166e21636305e2509dc3be2813c1c4329e05d4b26bdbb5d5965c1b1e7b
SSDEEP

98304:Jz14DaUCyCWUartDr8Jmk4mUJF24dl8asICU/pw7r+UNgDHmsE2V02S4h:H4fwert/3JmscksINK7r+U6zmTu

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
4728	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	33333333333.exe

Executes dropped EXE 2 IoCs

pid	Process
3004	iqww1hgr.exe
3804	jpxmdoqv.exe

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5068	3004	WerFault.exe	82

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	33333333333.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iqww1hgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jpxmdoqv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe
Token: 33	3804	jpxmdoqv.exe
Token: SeIncBasePriorityPrivilege	3804	jpxmdoqv.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 3004	3076	33333333333.exe	82
PID 3076 wrote to memory of 3004	3076	33333333333.exe	82
PID 3076 wrote to memory of 3004	3076	33333333333.exe	82
PID 3076 wrote to memory of 3804	3076	33333333333.exe	83
PID 3076 wrote to memory of 3804	3076	33333333333.exe	83
PID 3076 wrote to memory of 3804	3076	33333333333.exe	83
PID 3804 wrote to memory of 4728	3804	jpxmdoqv.exe	92
PID 3804 wrote to memory of 4728	3804	jpxmdoqv.exe	92
PID 3804 wrote to memory of 4728	3804	jpxmdoqv.exe	92

C:\Users\Admin\AppData\Local\Temp\Rekt\Rekt\33333333333.exe
"C:\Users\Admin\AppData\Local\Temp\Rekt\Rekt\33333333333.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Users\Admin\AppData\Local\Temp\iqww1hgr.exe
  "C:\Users\Admin\AppData\Local\Temp\iqww1hgr.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 812
    3⤵
    - Program crash
    PID:5068
- C:\Users\Admin\AppData\Local\Temp\jpxmdoqv.exe
  "C:\Users\Admin\AppData\Local\Temp\jpxmdoqv.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3804
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\jpxmdoqv.exe" "jpxmdoqv.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3004 -ip 3004
1⤵
PID:612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

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\Temp\iqww1hgr.exe

Filesize
5.6MB

MD5
5f550a12065b23d985fec1f32c6f78a2

SHA1
2092caac12f23081a89d6aed70722606ab32fcee

SHA256
6692e62af43ebdba8e2fa35aa2a4bb0faf43658a1ba6892d6afd7a7d9ac550ba

SHA512
93cd04a3b1fcb44b1fda84a0dc87049ce4d57df1876754bb968cd18ba36264da97b0c2e7bc19969d4dd5c28a578f9f65086b9e844d53c6f591f5632af07c15f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\jpxmdoqv.exe

Filesize
23KB

MD5
3bde29a049e0cff5daf73679f8f66130

SHA1
654b0bddaca82e7cc5a6d8f218738cc1cc818647

SHA256
4adff9119d079e3bedf5c25851865667d22db9331207c55dad7abae3804afd67

SHA512
dfb36abbbfe92930a1ab86a8eeadd6802c40a9b8f5620e0b9a825c18bf02ca33325a5a13a35d39665eeae08a8a57e116008fd8331dc17973e98348864767e606

Download Submit
memory/3004-28-0x0000000000BB0000-0x000000000114E000-memory.dmp

Filesize
5.6MB

Download
memory/3004-29-0x0000000072AA0000-0x0000000072B29000-memory.dmp

Filesize
548KB

Download
memory/3004-22-0x00000000717AE000-0x00000000717AF000-memory.dmp

Filesize
4KB

Download
memory/3076-26-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3076-0-0x0000000074622000-0x0000000074623000-memory.dmp

Filesize
4KB

Download
memory/3076-2-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3076-1-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3804-25-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3804-27-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3804-23-0x0000000074622000-0x0000000074623000-memory.dmp

Filesize
4KB

Download
memory/3804-30-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads