MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c679bc514865907b79b8e39f2529822c24905be911ef18e8067f556b32c23bc. 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: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c679bc514865907b79b8e39f2529822c24905be911ef18e8067f556b32c23bc
SHA3-384 hash: 3aef9c005d9155ffb4967d55488b274fb6cee41d505df4e705f92ebc0ce5de834a41f74059fd700aadbb4c9d902196c2
SHA1 hash: bc61a92fcea9373a2aa46886f7525255fdff985c
MD5 hash: 2863722a841b59859617d776b5ff56f8
humanhash: michigan-maine-saturn-fillet
File name:2863722a841b59859617d776b5ff56f8.exe
Download: download sample
Signature njrat
Create hunting rule
File size:132'096 bytes
First seen:2022-10-01 15:10:50 UTC
Last seen:2022-10-01 16:08:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 1536:X6lUBnsk0eoXf13IGWfF7bYcQRYttgAEbUISU:+465IDYccYHbEbUI9
TLSH T1C7D3E2F53476419BEAEE4DB0EF8D657035E12C7CE4C0220DA9F9730896E2361198D7AE
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 849298a4a4a4e4e4 (3 x Formbook, 1 x AveMariaRAT, 1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
162.246.185.103:2022

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
162.246.185.103:2022 https://threatfox.abuse.ch/ioc/865928/

Intelligence

File Origin
# of uploads :
2
# of downloads :
352
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315527/
Detection(s):
SecuriteInfo.com.Variant.Lazy.245738.9089.1525.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63385887d5955f6f49d56a84/reports/fa865cb7-d043-42fc-bc9a-3d332285be8e/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bfaf3b9c-49d8-4cde-bfd9-f3b82ff1cb2d
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1081587
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected njRat
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 714141 Sample: 2Gn54jYw9h.exe Startdate: 01/10/2022 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 11 other signatures 2->61 8 2Gn54jYw9h.exe 16 7 2->8         started        12 msiupdat.exe 14 3 2->12         started        14 msiupdat.exe 3 2->14         started        17 3 other processes 2->17 process3 dnsIp4 45 C:\Users\user\AppData\...\msiupdat.exe, PE32 8->45 dropped 47 C:\Users\...\msiupdat.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\Users\user\AppData\...\2Gn54jYw9h.exe.log, ASCII 8->49 dropped 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->71 73 Encrypted powershell cmdline option found 8->73 75 Creates multiple autostart registry keys 8->75 83 2 other signatures 8->83 19 RegAsm.exe 5 2 8->19         started        23 powershell.exe 16 8->23         started        77 Antivirus detection for dropped file 12->77 79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 25 powershell.exe 12->25         started        53 192.168.2.1 unknown unknown 14->53 27 powershell.exe 14->27         started        29 conhost.exe 17->29         started        31 conhost.exe 17->31         started        33 conhost.exe 17->33         started        file5 signatures6 process7 dnsIp8 51 verde2020.duckdns.org 162.246.185.103, 2022, 49723 M247GB United States 19->51 63 Creates autostart registry keys with suspicious names 19->63 65 Creates multiple autostart registry keys 19->65 67 Creates an autostart registry key pointing to binary in C:\Windows 19->67 69 2 other signatures 19->69 35 netsh.exe 3 19->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        signatures9 process10 process11 43 conhost.exe 35->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c679bc514865907b79b8e39f2529822c24905be911ef18e8067f556b32c23bc/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-09-30 14:16:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=prtzxriuqzmqpn43ry47euuyelbesbn6seppdduam72vnmzmeo6a._file
Verdict:
malicious
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:sept21 evasion persistence trojan
Link:
https://tria.ge/reports/221001-skk4msgbg8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
verde2020.duckdns.org:2022
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/adc05d59-bc1c-4c85-93c8-d561ba22fa3c
Unpacked files
SH256 hash:
7c679bc514865907b79b8e39f2529822c24905be911ef18e8067f556b32c23bc
MD5 hash:
2863722a841b59859617d776b5ff56f8
SHA1 hash:
bc61a92fcea9373a2aa46886f7525255fdff985c
Link:
https://www.unpac.me/results/ad8ae49c-2764-4b1f-bb50-724419f43293/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c679bc51486/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/7c679bc514865907b79b8e39f2529822c24905be911ef18e8067f556b32c23bc

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/315527/

Comments