MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d2bdf7783c3b676dbc65357edf2377a36a240cedec90a2d4f2a391ea9c7e885. 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: 15


Intelligence 15 IOCs 1 YARA 11 File information Comments

SHA256 hash: 6d2bdf7783c3b676dbc65357edf2377a36a240cedec90a2d4f2a391ea9c7e885
SHA3-384 hash: 8d9e3864b1877cfd572ddefd8e3f70f3172905d269a4f27a197bc662ebfcfd9eefbc13fee2a969e55170fbc206f591cf
SHA1 hash: 57bf33d8e372d4c9f2d8dd4e045aeca5b7850a88
MD5 hash: 3c9c99d44fb77e53f1e5f156943726bf
humanhash: jupiter-football-colorado-failed
File name:New Client.exe.vir
Download: download sample
Signature njrat
File size:79'872 bytes
First seen:2022-06-18 14:58:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'785 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 1536:qBw+HD37DpxS5wpOk3JCK6pFo6v406fOpd/9nEh9TGHT4pR:oQwpOk5CK6MO/9ESz4p
Threatray 98 similar samples on MalwareBazaar
TLSH T137733A4877F54A12D1BF1DB5897292220B36FC036926F66D09D174AA5FB36C08A09FB3
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 KdssSupport
Tags:exe NjRAT

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
52.28.112.211:19330 https://threatfox.abuse.ch/ioc/716336/

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Client.exe
Verdict:
Malicious activity
Analysis date:
2022-06-18 14:52:33 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Sending a custom TCP request
Sending an HTTP GET request
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd.exe eventvwr.exe greyware keylogger njrat packed rat
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad.adwa
Score:
100 / 100
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648189 Sample: New Client.exe.vir Startdate: 18/06/2022 Architecture: WINDOWS Score: 100 51 4.tcp.eu.ngrok.io 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Yara detected Njrat 2->57 59 7 other signatures 2->59 9 New Client.exe.exe 4 2->9         started        12 New Client.exe.exe 4 2->12         started        signatures3 process4 file5 47 C:\Windows\pines.exe, PE32 9->47 dropped 49 C:\Users\user\...49ew Client.exe.exe.log, ASCII 9->49 dropped 14 pines.exe 2 9->14         started        17 taskkill.exe 1 9->17         started        19 taskkill.exe 1 9->19         started        25 2 other processes 9->25 21 taskkill.exe 1 12->21         started        23 taskkill.exe 1 12->23         started        process6 signatures7 61 Antivirus detection for dropped file 14->61 63 Machine Learning detection for dropped file 14->63 27 taskkill.exe 1 14->27         started        29 taskkill.exe 1 14->29         started        31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 25->41         started        process8 process9 43 conhost.exe 27->43         started        45 conhost.exe 29->45         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-06-18 14:59:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:lime
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Malware Config
C2 Extraction:
4.tcp.eu.ngrok.io:19330
Unpacked files
SH256 hash:
6d2bdf7783c3b676dbc65357edf2377a36a240cedec90a2d4f2a391ea9c7e885
MD5 hash:
3c9c99d44fb77e53f1e5f156943726bf
SHA1 hash:
57bf33d8e372d4c9f2d8dd4e045aeca5b7850a88
Detections:
win_njrat_w1
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:pe_imphash
Rule name:Redline_Stealer_Monitor
Description:Detects RedLine Stealer Variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Ngrok_URL
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
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.

Comments