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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e. 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 YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e
SHA3-384 hash: 305e72b0034795bd118491ef912abc5a8af3adac6fdb65d10e9b6dfb0ceeb71a2fb6efd15fa90ac170b9bf6487ef6521
SHA1 hash: 6637fe5fe11ba5c6fb7377a40b8265aab89959bc
MD5 hash: b1e1d468dd77a6d3350a3b7f354113fe
humanhash: sad-lamp-oven-ceiling
File name:b1e1d468dd77a6d3350a3b7f354113fe
Download: download sample
Signature njrat
Create hunting rule
File size:39'936 bytes
First seen:2024-07-01 01:35:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:gbUUYYwfhjQul38HoxthrjpbNRsrdD9Eg9B6SQUSeo5p:+YF1xC19h9o4S15p
TLSH T1C9034B0177D9C23ED6ED1BBC9AB1424143B9F2672613EB8E1CC840DB09177C68682BF6
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:64 exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
536
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Win.Packed.Msilzilla-10016246-0
Create hunting rule

Win.Packed.Msilzilla-10016286-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668208264aef5fb03e2ebd05win10vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin njrat schtasks vbnet
Link:
https://www.filescan.io/uploads/66820802eae3878d8f3c375b/reports/cc7c9893-06da-4796-a283-f6d8238479c5/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/233c18b9-2f3a-443f-a4b2-8230f3fdeb91
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464976
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1464976 Sample: MxOe8Kd2dC.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 4 other signatures 2->66 9 MxOe8Kd2dC.exe 1 7 2->9         started        13 $77svchost.exe.exe 2->13         started        process3 file4 52 C:\Users\user\AppData\...\$77svchost.exe.exe, PE32+ 9->52 dropped 54 C:\Users\user\AppData\...\MxOe8Kd2dC.exe.log, CSV 9->54 dropped 76 Uses cmd line tools excessively to alter registry or file data 9->76 15 cmd.exe 1 9->15         started        17 attrib.exe 1 9->17         started        19 attrib.exe 1 9->19         started        signatures5 process6 process7 21 $77svchost.exe.exe 3 15->21         started        25 conhost.exe 15->25         started        27 timeout.exe 1 15->27         started        29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        dnsIp8 56 194.9.6.96, 4449, 49739 COLTTechnologyServicesGroupSE Bulgaria 21->56 68 Antivirus detection for dropped file 21->68 70 Multi AV Scanner detection for dropped file 21->70 72 Machine Learning detection for dropped file 21->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 21->74 33 powershell.exe 23 21->33         started        36 schtasks.exe 1 21->36         started        38 schtasks.exe 1 21->38         started        40 schtasks.exe 1 21->40         started        signatures9 process10 signatures11 58 Loading BitLocker PowerShell Module 33->58 42 conhost.exe 33->42         started        44 WmiPrvSE.exe 33->44         started        46 conhost.exe 36->46         started        48 conhost.exe 38->48         started        50 conhost.exe 40->50         started        process12
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-07-01 01:36:04 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sdk73leztpte5lxl3yg4izlge7emh2b5vm6qx2qrmakr3gubfbxa._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240701-bz8ptawakp/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/090fd65e-6e67-41aa-9cac-1fded6e6fbae
Unpacked files
SH256 hash:
90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e
MD5 hash:
b1e1d468dd77a6d3350a3b7f354113fe
SHA1 hash:
6637fe5fe11ba5c6fb7377a40b8265aab89959bc
Link:
https://www.unpac.me/results/93d9acf7-8bd6-4d48-8c9f-fb2094a1523e/
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/90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e

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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Web download

njrat

Executable exe 90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2915332/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments


Avatar
zbet commented on 2024-07-01 01:35:11 UTC

url : hxxp://194.9.6.96/svchost.exe