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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2
SHA3-384 hash: c6ab54d84c65e55ddb45448b473c2856fda6fb5857d3adfa49853d953f3dd067408cede291459f2e5c5881870c959e6c
SHA1 hash: 4bb060720180eae8b31b0698b88ee9d729814ed5
MD5 hash: dbb64ee3c1ddd492e8bfaffe5fe5c77b
humanhash: emma-chicken-oxygen-two
File name:BF6external.exe
Download: download sample
Signature njrat
Create hunting rule
File size:39'424 bytes
First seen:2025-11-12 12:21:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:FGYI50mZHssfClwQTmktnRsrRm9E0NljB6S0W7l58:Ffw0m2lXmWCI9DToVW558
Threatray 71 similar samples on MalwareBazaar
TLSH T12D033C0227DD823AE2BD0FBC95F1525586BDE1B72613DB4A1DC800EB1913BC5D9427FA
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter burger
Tags:exe NjRAT RAT SilverRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
231
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://gofile.io/d/3nC1X1
Verdict:
Malicious activity
Analysis date:
2025-11-12 01:46:42 UTC
Tags:
fileshare silverrat rat
Link:
https://app.any.run/tasks/1623e220-4053-4260-a2cd-eeacb0a08eaa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37707/
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=69147ba560ebe843fe8d596a
Tags:
autorun dropper spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Adding an access-denied ACE
Creating a file
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Running batch commands
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 lolbin reconnaissance schtasks update vbnet
Link:
https://www.filescan.io/uploads/69147bfbadab62be76df585c/reports/6d5100e1-dae0-4f24-b3ba-f293a5beea58/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-12T09:21:00Z UTC
Last seen:
2025-11-14T00:52:00Z UTC
Hits:
~10
Detections:
Trojan.MSIL.Dnoper.sb HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d Trojan-Dropper.Win32.Daws.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1fd3efa9-5f7c-4112-ae09-6b89743270a9
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1812599
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
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 dnsIp2 2 Behavior Graph ID: 1812599 Sample: BF6external.exe Startdate: 12/11/2025 Architecture: WINDOWS Score: 76 50 Krasnovx21-42410.portmap.host 2->50 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Joe Sandbox ML detected suspicious sample 2->58 10 BF6external.exe 1 8 2->10         started        14 $77Client.exe 3 2->14         started        signatures3 process4 file5 46 C:\Users\user\Update\$77Client.exe, PE32+ 10->46 dropped 48 C:\Users\user\AppData\...\BF6external.exe.log, CSV 10->48 dropped 64 Uses cmd line tools excessively to alter registry or file data 10->64 16 cmd.exe 1 10->16         started        18 attrib.exe 1 10->18         started        20 attrib.exe 1 10->20         started        signatures6 process7 process8 22 $77Client.exe 2 16->22         started        26 conhost.exe 16->26         started        28 timeout.exe 1 16->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        dnsIp9 52 Krasnovx21-42410.portmap.host 193.161.193.99, 42410 BITREE-ASRU Russian Federation 22->52 60 Antivirus detection for dropped file 22->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 22->62 34 schtasks.exe 1 22->34         started        36 schtasks.exe 1 22->36         started        38 schtasks.exe 1 22->38         started        signatures10 process11 process12 40 conhost.exe 34->40         started        42 conhost.exe 36->42         started        44 conhost.exe 38->44         started       
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2
Verdict:
njRat
YARA:
7 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.22 Win 64 Exe x64
Link:
https://app.malva.re/file/dbb64ee3c1ddd492e8bfaffe5fe5c77b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2
Threat name:
ByteCode-MSIL.Backdoor.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-11-12 12:20:55 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7qay3suggpx55cwtkuq6msdpzluycsmzjlculwhbivi2xjybv2za._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55
njrat
294003b3626890da222c7aeb34f7ac71cec614026c686fd88df269cc175a0e8c
njrat
74d9bfc4faf8fad7595fbd034a6a963524bcccc10dad06d1676cadc86af8b571
njrat
90d5fdac999be64eaeebde0dc4656627c8c3e83dab3d0bea1160151d9a81286e
njrat
b0134672307237bfca72bba0990811cac2a4eee4b603d9b0253523aa14105a22
njrat
error
njrat
fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2
njrat
+ 61 additional samples on MalwareBazaar
Verdict:
Malicious
Tags:
Win.Packed.Msilzilla-10016246-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1013b034-2f48-4f34-9360-5e7d94f68b4a
Unpacked files
SH256 hash:
fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2
MD5 hash:
dbb64ee3c1ddd492e8bfaffe5fe5c77b
SHA1 hash:
4bb060720180eae8b31b0698b88ee9d729814ed5
Link:
https://www.unpac.me/results/086bf2ff-f723-4af0-b873-f1743143e4f4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fc018dca8633/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fc018dca8633efde8ad35521e6486fcae98149994ac545d8e14551aba701aeb2

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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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/37707/

Comments