MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3fb21d3f6ec1c9015b67c51402f3ddb09fe2a57af831f197761ebbc8d0efcb9. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3fb21d3f6ec1c9015b67c51402f3ddb09fe2a57af831f197761ebbc8d0efcb9
SHA3-384 hash: d8cbc966e8ddda9e87673d6f0d9580cb537a171a2c27fe01e6132fe69e5b40e0c5395b11af9b49281ed6d8b8e421f6a9
SHA1 hash: c3178459c4870ff9ecbe9d76f9f381c7491b1b8d
MD5 hash: 7f5e06a7fc97a0af0daecfa52558bb1d
humanhash: london-april-nuts-may
File name:aarch64
Download: download sample
File size:509'896 bytes
First seen:2025-06-20 05:48:47 UTC
Last seen:2025-06-21 02:36:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:O/izeB+/ow3gK2lc5bvyI0vOHD6BZkDgn358cIF3RI5HkdY1FP98/8ecjfP:3BohHKTyfvOHD6ByD4WcIMkuDmEesP
TLSH T1D6B41228EE4E38C1F3D1E378DA0A4BB1B05B79D0D166C1B2BA41E25D95EDDDEC5D0212
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 :
2
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32057.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6854f67c17878a49cc1b1632linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/6854f667f8f8abe4f8b725db/reports/9e676cfd-232b-4163-b2b4-2417e6548cf2/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/352ab92c-0a87-4d03-b2e4-3b103eab9ff1
Behavior Graph:
Download SVG
%3 guuid=3db6e751-1900-0000-b5eb-f30e2d090000 pid=2349 /usr/bin/sudo guuid=ae65bd53-1900-0000-b5eb-f30e30090000 pid=2352 /tmp/sample.bin guuid=3db6e751-1900-0000-b5eb-f30e2d090000 pid=2349->guuid=ae65bd53-1900-0000-b5eb-f30e30090000 pid=2352 execve guuid=f4f15256-1900-0000-b5eb-f30e39090000 pid=2361 /usr/bin/dash guuid=ae65bd53-1900-0000-b5eb-f30e30090000 pid=2352->guuid=f4f15256-1900-0000-b5eb-f30e39090000 pid=2361 clone guuid=eed46756-1900-0000-b5eb-f30e3b090000 pid=2363 /usr/bin/dash guuid=ae65bd53-1900-0000-b5eb-f30e30090000 pid=2352->guuid=eed46756-1900-0000-b5eb-f30e3b090000 pid=2363 clone guuid=d89a7e56-1900-0000-b5eb-f30e3c090000 pid=2364 /usr/bin/dash guuid=ae65bd53-1900-0000-b5eb-f30e30090000 pid=2352->guuid=d89a7e56-1900-0000-b5eb-f30e3c090000 pid=2364 clone guuid=abe08d56-1900-0000-b5eb-f30e3d090000 pid=2365 /usr/bin/dash guuid=ae65bd53-1900-0000-b5eb-f30e30090000 pid=2352->guuid=abe08d56-1900-0000-b5eb-f30e3d090000 pid=2365 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/913103b8-f0cd-4bca-b100-77b88cb6dd43
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1719087
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1719087 Sample: aarch64.elf Startdate: 20/06/2025 Architecture: LINUX Score: 68 38 31.200.249.178, 31857, 56192 NETRACK-ASRU Russian Federation 2->38 40 62.3.74.142, 63029, 6881 ZEN-ASZenInternet-UKGB United Kingdom 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 aarch64.elf 2->10         started        signatures3 process4 process5 12 aarch64.elf sh 10->12         started        14 aarch64.elf 10->14         started        17 aarch64.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 aarch64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.ECjZBp, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 aarch64.elf 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 aarch64.elf 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e3fb21d3f6ec1c9015b67c51402f3ddb09fe2a57af831f197761ebbc8d0efcb9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3fb21d3f6ec1c9015b67c51402f3ddb09fe2a57af831f197761ebbc8d0efcb9/
Threat name:
Linux.Trojan.SAgnt
Create hunting rule
Status:
Malicious
First seen:
2025-06-20 05:49:28 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4p5sdu7w5qojafnwpriualz53me74ksxv6br6glxmhv3zdio7s4q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250620-gh9hnstpw3/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/94db80af-dc40-4b10-83b8-db5be227ff42
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/e3fb21d3f6ec1c9015b67c51402f3ddb09fe2a57af831f197761ebbc8d0efcb9

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 e3fb21d3f6ec1c9015b67c51402f3ddb09fe2a57af831f197761ebbc8d0efcb9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558221/
  
Delivery method
Distributed via web download

Comments