MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3681e7ef4ce1bcd9b5fab233fc633e821fe2e51b1e771f92793cc8e8af64c04. 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


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3681e7ef4ce1bcd9b5fab233fc633e821fe2e51b1e771f92793cc8e8af64c04
SHA3-384 hash: 99e68c4e6cebad6c42a1ffffaaf7466f74331b7e391a02774b028f59be7e4b65db2883da50116172c604583215fd1b26
SHA1 hash: b571bdaf20a498652385e48c90e4a8eb85453b8c
MD5 hash: 5557491b730e06695a77c55e4856c33b
humanhash: april-jupiter-low-seven
File name:nklarm5
Download: download sample
File size:89'852 bytes
First seen:2026-01-27 11:15:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:uGzl6p5oeML13z034bl4mc3EaJgq/hiD2QLZw5PeJaB4lCXV:uSl6Lobj03DB39piDLZw5P6aBQCXV
TLSH T1D893298ABCC5C702C6E060B6FB1F559E371643A8E3E6B147DD09AF29634B8970E37251
telfhash t1c651fd65ff740e5c5bd5412482aea01b56ed30ce5b253863de1d6b4f8a43282f13f816
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
26
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/69789e8ea57b6af70d0e87a6/reports/2e9d5c63-ca32-424a-bde2-c338c4b36d26/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
41
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/e3681e7ef4ce1bcd9b5fab233fc633e821fe2e51b1e771f92793cc8e8af64c04
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d33c2426-4210-43cb-921e-d52b9148db13
Behavior Graph:
Download SVG
%3 guuid=efc219d7-1900-0000-cd58-3f0283090000 pid=2435 /usr/bin/sudo guuid=519d3cd9-1900-0000-cd58-3f028a090000 pid=2442 /tmp/sample.bin guuid=efc219d7-1900-0000-cd58-3f0283090000 pid=2435->guuid=519d3cd9-1900-0000-cd58-3f028a090000 pid=2442 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fdd2191c-34ea-4e91-b392-f553e4343a22
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1858212
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1858212 Sample: nklarm5.elf Startdate: 27/01/2026 Architecture: LINUX Score: 52 22 109.63.156.10, 23 TI-ASMoscowRussiaRU Russian Federation 2->22 24 109.63.156.12, 23 TI-ASMoscowRussiaRU Russian Federation 2->24 26 100 other IPs or domains 2->26 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 nklarm5.elf .irqbalance 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 file5 20 /dev/shm/.irqbalance, ELF 8->20 dropped 30 Drops invisible ELF files 8->30 32 Sample deletes itself 8->32 16 .irqbalance 8->16         started        signatures6 process7 process8 18 .irqbalance 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e3681e7ef4ce1bcd9b5fab233fc633e821fe2e51b1e771f92793cc8e8af64c04
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3681e7ef4ce1bcd9b5fab233fc633e821fe2e51b1e771f92793cc8e8af64c04/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4nub47xuzyn43g27vmrt7rrt5aq74lsrwhtxd6jhspgi5cxwjqca._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260127-nddzjab15h/
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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

elf e3681e7ef4ce1bcd9b5fab233fc633e821fe2e51b1e771f92793cc8e8af64c04

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739220/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739426/

Comments