MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b6c5f618c4879e8dfa51e0b9c74f3aefb6100ae80d54221b3362b4db20971bc. 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 1 YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b6c5f618c4879e8dfa51e0b9c74f3aefb6100ae80d54221b3362b4db20971bc
SHA3-384 hash: 49e0ecfe369f2216200cd173fe5ef7279eecb5c41e9421e02d15f7f1394923480b345b5cdf10e0f68df4b33a6927da4d
SHA1 hash: 9f37c53a42d14641f3dbb59259c1b635d055b5e1
MD5 hash: 9815c8bf2699b75076fe577daf724ba3
humanhash: mirror-ten-alanine-muppet
File name:8B6C5F618C4879E8DFA51E0B9C74F3AEFB6100AE80D54.exe
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2022-10-01 06:45:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'494 x Formbook, 12'214 x SnakeKeylogger)
ssdeep 384:wslUlEvOEJ8xWwYJOMiOBZEdj1567gtwi5HhbQmRvR6JZlbw8hqIusZzZc5:peEvwIlLMRpcnu7
TLSH T1A9B2290E3FB9C856C5BC1A7486A5965003B0A1470423EF2FCDC564DBAFB36D92D48AF9
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13101/52/3)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
141.95.84.40:3001

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
141.95.84.40:3001 https://threatfox.abuse.ch/ioc/865890/

Intelligence

File Origin
# of uploads :
1
# of downloads :
331
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315384/
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
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.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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 zbot
Link:
https://www.filescan.io/uploads/6337e22c49c58ce767c46b87/reports/732867d0-20c6-430a-b9e4-5d7b7c9c3669/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a3de24b7-9eca-40cd-ae1c-025737cbad63
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1081376
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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 submitted file
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b6c5f618c4879e8dfa51e0b9c74f3aefb6100ae80d54221b3362b4db20971bc/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-08-24 12:16:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnwf6ymmjb46rx5fdyfzy5htv35wcafoqdkueintgyvu3mqjog6a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:sassa2233 evasion trojan
Link:
https://tria.ge/reports/221001-hjmkzafef8/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
141.95.84.40:3001
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6ae1da59-426b-4f8b-9135-9bec9fbfbed8
Unpacked files
SH256 hash:
8b6c5f618c4879e8dfa51e0b9c74f3aefb6100ae80d54221b3362b4db20971bc
MD5 hash:
9815c8bf2699b75076fe577daf724ba3
SHA1 hash:
9f37c53a42d14641f3dbb59259c1b635d055b5e1
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/5bf4130e-29ce-4d25-93db-df4094438833/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8b6c5f618c48/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/8b6c5f618c4879e8dfa51e0b9c74f3aefb6100ae80d54221b3362b4db20971bc

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
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
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: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/315384/

Comments