MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a8b428d40e0e947b18c0dd00eb390fa02cb8b8b5e9acf64b476a4f0f9970772. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


njrat


Vendor detections: 14


Intelligence 14 IOCs 4 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a8b428d40e0e947b18c0dd00eb390fa02cb8b8b5e9acf64b476a4f0f9970772
SHA3-384 hash: 2aaf1ac753919b1a04b428018c8723155f82629cc0d1e2db507da48f91e8440ecb9a15318648550e239868c8b73aba5b
SHA1 hash: 931acbd3c5663d7db6c6e0e741866c33517af684
MD5 hash: 000ecfed34691ea984216886f22b41c7
humanhash: bacon-earth-oranges-mississippi
File name:000ecfed34691ea984216886f22b41c7.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2022-09-01 22:40:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:BmOs0IiejvCVLO309QmykrtG+dA+VfwvOSiKrAF+rMRTyN/0L+EcoinblneHQM3u:TFdGdkrgYRwWS9rM+rMRa8NuwGt
TLSH T131032A4D7FE181A8C4FD067B05B2D41207BBE04B6A23DD0E8EE564EA37636C58B54AF1
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.124.142.205:13489

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.124.142.205:13489 https://threatfox.abuse.ch/ioc/847257/
18.192.31.165:13489 https://threatfox.abuse.ch/ioc/847258/
3.125.209.94:13489 https://threatfox.abuse.ch/ioc/847260/
3.125.102.39:13489 https://threatfox.abuse.ch/ioc/847264/

Intelligence

File Origin
# of uploads :
1
# of downloads :
466
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
000ecfed34691ea984216886f22b41c7.exe
Verdict:
Malicious activity
Analysis date:
2022-09-01 22:41:16 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/a0b51750-8056-4885-a698-d2125980b9cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/307317/
Detection(s):
Win.Packed.Bladabindi-7994427-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd.exe fingerprint greyware njrat packed rat stealer windows
Link:
https://www.filescan.io/uploads/6311351b2fdf5a0825997727/reports/7c90d7be-5c64-44dc-9157-d793b3f29c17/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df39ca0e-983d-47d3-9655-2bc0ce2e2322
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1063357
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a8b428d40e0e947b18c0dd00eb390fa02cb8b8b5e9acf64b476a4f0f9970772/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-08-30 15:51:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lkfufdka4duupmmmbxia5m4q7ibmxc4ll2nm6zfuo2spb6mxa5za._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion
Link:
https://tria.ge/reports/220901-2l3jraeea9/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Windows Firewall
Malware Config
C2 Extraction:
0.tcp.eu.ngrok.io:13489
Unpacked files
SH256 hash:
5a8b428d40e0e947b18c0dd00eb390fa02cb8b8b5e9acf64b476a4f0f9970772
MD5 hash:
000ecfed34691ea984216886f22b41c7
SHA1 hash:
931acbd3c5663d7db6c6e0e741866c33517af684
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/4a569076-1404-4d78-b25d-eedc07d2ad43/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a8b428d40e0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5a8b428d40e0e947b18c0dd00eb390fa02cb8b8b5e9acf64b476a4f0f9970772

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/307317/

Comments