MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1
SHA3-384 hash: edfc242317cea9a45a66250412c449a43c2dd50af1a2ab0c1e6a0241ab8bff8fd8bcf9ac8ba1efdd28a1d2ce6c315950
SHA1 hash: 961fea7e0a6e9165e282a5f42a44507d23db10d6
MD5 hash: 7a5d43b0f969cd345d0fbac7c404dcbb
humanhash: virginia-monkey-steak-fillet
File name:chrome_update.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'320'960 bytes
First seen:2026-04-09 14:02:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fa18060b9e29639e6b6e200299ec84e0 (1 x njrat)
ssdeep 24576:BEDOIfTYc3sNVTfXBytpOjvo2f9fzBNU0sScTZ3H:FIb7SP8OjQ2LBNU07uZX
Threatray 173 similar samples on MalwareBazaar
TLSH T1935522176EBF3DEAE56600B6C168588DA721BD7103209F9FD2167D0F3E725C98C3AA11
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon d4cccc94f0e8f070 (1 x njrat)
Reporter BlinkzSec
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
chrome_update.exe
Verdict:
No threats detected
Analysis date:
2026-04-09 14:05:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b528ce0f-20ea-436a-a68c-b87116486253

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/60969/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69d7b1b066ab6d001dd09c39
Tags:
ransomware virus remo
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm hacktool microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/69d7b350799d5bf325f47194/reports/dc7d0fb1-6b5f-46f5-8756-1aacededa7bc/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-03-15T18:26:00Z UTC
Last seen:
2026-04-10T09:31:00Z UTC
Hits:
~10
Detections:
UDS:DangerousObject.Multi.Generic VHO:Trojan.Win32.GenericML.xnet
Link:
https://opentip.kaspersky.com/f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b360b7a-b59a-4038-8a1d-db95acbedc3f
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1/
Verdict:
Malicious
Threat:
DangerousObject.Multi
Link:
https://tip.neiki.dev/file/f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1
Threat name:
Win64.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-03-18 17:25:00 UTC
File Type:
PE+ (Exe)
Extracted files:
7
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6sorfih55ga35on5sbqpl56kvwestyqtwohwlxhtkzlchaufiliq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
09da583b39c72696ae98d24d518c838e4a59ba564074107df6528d9234c76253
njrat
0a2c887c8a3b30519f8c1750b8eba2df2ede2710b1fbb71f26c2acff3ececff8
njrat
3a348a2c63451e5300bf79444ba5ea77f597ae109d3132389ac1e8edd04327ad
njrat
561dea3827ffaaf208ace7cb3390725bff4f6c1dcb5fc83ce1efc00fe18f8ae8
njrat
5e510b82cf1b2d9bac0e36097e210758ec2b872497eae5de38d51df23cb6ca94
njrat
8b285bfafb3e876e29f04165896276d17f0998e2b02f97c90a28c34ab53ee866
njrat
b56d67f497038cfca55a4e7ad62a4f43a2d1267c15cd22094dca9735163bf65d
njrat
c3a1146bf6e791105fdbd64cc28f99a7ff82f356ff8c5c155755bdc0b549c826
njrat
d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb
njrat
error
njrat
f4e4d9cc74ac2b174a5e3bc41c29eea3fbcbea79ff32f49535bb6a56c6523860
njrat
+ 163 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260409-rcxxssa17t/
Unpacked files
SH256 hash:
f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1
MD5 hash:
7a5d43b0f969cd345d0fbac7c404dcbb
SHA1 hash:
961fea7e0a6e9165e282a5f42a44507d23db10d6
Link:
https://www.unpac.me/results/d8212951-988b-4b5e-b663-0b0bce86ce41/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f49d12a0fde9/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/f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Web download

njrat

Executable exe f49d12a0fde981beb9bd9060f5f7caad8929e213b38f65dcf3565623828542d1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3815014/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/60969/

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