MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb1bee72bfbe5cde3b70ee296eba46f64f4e481fae04de4f1808c096a121d30f. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
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SHA256 hash: bb1bee72bfbe5cde3b70ee296eba46f64f4e481fae04de4f1808c096a121d30f
SHA3-384 hash: 09e8fda029f3d4cb3798e755834cfbde401cc0187e78869544e7e93a1e81b86586d49e4fcfb5def0ced8733d2c1cdc03
SHA1 hash: 41939b49d672d48d4b2dd88c68941132f3782044
MD5 hash: dc5e154d060d22af6fed790c059c786a
humanhash: salami-uranus-july-bravo
File name:bb1bee72bfbe5cde3b70ee296eba46f64f4e481fae04de4f1808c096a121d30f
Download: download sample
Signature njrat
Create hunting rule
File size:1'178'120 bytes
First seen:2020-11-10 11:24:37 UTC
Last seen:2024-07-24 20:51:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:R20JBvLWsN6I7BdVr/Ing1fmHa37aWtDv395M:XBvldn/0gZYa371DvnM
Threatray 3 similar samples on MalwareBazaar
TLSH CC45BD4273D1C071FFAA96735B2AF61146BD6D690133C41F13A83DBAAD721B1263DA23
Reporter seifreed
Tags:NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Autoit-8000278-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Launching the process to change the firewall settings
Unauthorized injection to a system process
Enabling autorun by creating a file
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:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/529459
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
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 313827 Sample: OV46t4o2h3 Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 39 redlan.hopto.org 2->39 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 10 other signatures 2->49 9 OV46t4o2h3.exe 3 2->9         started        13 data.exe 1 2->13         started        15 data.exe 2->15         started        signatures3 process4 file5 35 C:\Users\user\AppData\Local\Temp\...\data.exe, PE32 9->35 dropped 51 Binary is likely a compiled AutoIt script file 9->51 17 RegAsm.exe 3 4 9->17         started        20 schtasks.exe 1 9->20         started        53 Antivirus detection for dropped file 13->53 22 schtasks.exe 1 13->22         started        24 RegAsm.exe 3 13->24         started        signatures6 process7 dnsIp8 37 redlan.hopto.org 17->37 26 netsh.exe 1 3 17->26         started        29 conhost.exe 20->29         started        31 conhost.exe 22->31         started        process9 dnsIp10 41 192.168.2.1 unknown unknown 26->41 33 conhost.exe 26->33         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb1bee72bfbe5cde3b70ee296eba46f64f4e481fae04de4f1808c096a121d30f/
Threat name:
Win32.Hacktool.Generic
Create hunting rule
Status:
Suspicious
First seen:
2020-11-10 11:28:15 UTC
AV detection:
39 of 48 (81.25%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmn644v7xzon4o3q5yuw5osg6zhu4sa7vycn4tyybdajnijb2mhq._file
Verdict:
unknown
Similar samples:
96756f1b03881036f1deba8409292fba284bd0ac66785792f046038f1cf9e34f
njrat
af1bde6d4d4423bf1fec1c907953fee67720d2ac87c16eb82b41bed6f037cc24
njrat
faac20b4eb48fed177876058cd253bd70619ec13de84de62a933ab9e483ecf4f
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/201110-lczpe3cj9s/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
bb1bee72bfbe5cde3b70ee296eba46f64f4e481fae04de4f1808c096a121d30f
MD5 hash:
dc5e154d060d22af6fed790c059c786a
SHA1 hash:
41939b49d672d48d4b2dd88c68941132f3782044
Link:
https://www.unpac.me/results/c9bcbd4d-9ed9-4fc3-9352-b57a8974878d/
SH256 hash:
c75613ed0f8d12946398683ab43748ab135b6f17e51022a223c281d61fbbdb9c
MD5 hash:
bb9b9ecd48cbec4557d9d35d96c394e1
SHA1 hash:
edd41b0d90feb4318b820123b8a6d3fed69e760b
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/c9bcbd4d-9ed9-4fc3-9352-b57a8974878d/
Parent samples :
bb1bee72bfbe5cde3b70ee296eba46f64f4e481fae04de4f1808c096a121d30f
07b62965af6a8858834df2d15c2d318be852279d3c79f28a1b920d99ff608141
32c22550ca9adb2f5395809c19559f1321f374e571172da0f3bf0233ac7ac799
8ff009518d4e54ac0e2ef4e933e064747796bf9ae4498d3f7150699123935a81
a413350ded49d65f1141eabf4cd648628ab299349d0889711d282618bd97ea47
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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
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:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information

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

  
Delivery method
Other

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