MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cafd6cc41f5ae446d21bc2aafdb9f6de5a862dd87ab07dc660c5f3fc6d17c391. 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


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cafd6cc41f5ae446d21bc2aafdb9f6de5a862dd87ab07dc660c5f3fc6d17c391
SHA3-384 hash: 87d418b0b159ceb1e0f1f0010fee9bc7fb86de94d70d01341f3a3632c8a017a1776360e9c5bb77f063ce24a918754b9f
SHA1 hash: d9c642b85d2d751052b633d4b499a2296769cee1
MD5 hash: b5a5c5c1303652fd3a664066bf1a1a97
humanhash: leopard-sodium-hamper-mango
File name:armv4l
Download: download sample
Signature Mirai
Create hunting rule
File size:69'424 bytes
First seen:2026-08-20 02:11:53 UTC
Last seen:2026-08-21 00:58:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:nVfAbXo0bbXAXNDqcpKVmknCVR1IjORjLVw6U5pyA+bOMezWc:4XoWoVUHCVsO86Up+bQl
TLSH T1F163021431C5BF66C280203EDD5569C3A2240772C3F6B08F769549B0C3CF15BAAA6DEE
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 mirai UPX
File size (compressed) :69'424 bytes
File size (de-compressed) :176'152 bytes
Format:linux/arm
Unpacked file: cfc96143d3c6e37e17a01a83ed3fa48d57ebe1ab984d514d984edea001b458da

Intelligence

File Origin
# of uploads :
5
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5c9c6c42-5252-4af5-9393-a93478f6e3cf/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/6a86628ed829b4095a35e67d/reports/dd0e91ea-4e45-4a22-b007-e937a66b8271/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bf31bea6-524f-4acb-b703-074e68ed8f74
Behavior Graph:
Download SVG
%3 guuid=2633cb93-1800-0000-6656-e63d860b0000 pid=2950 /usr/bin/sudo guuid=91ca8c96-1800-0000-6656-e63d8d0b0000 pid=2957 /tmp/sample.bin guuid=2633cb93-1800-0000-6656-e63d860b0000 pid=2950->guuid=91ca8c96-1800-0000-6656-e63d8d0b0000 pid=2957 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e22f9837-0f99-4f59-be77-6ee11f91f91f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1960840
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1960840 Sample: armv4l.elf Startdate: 20/08/2026 Architecture: LINUX Score: 88 89 83.168.69.141, 57574, 57576, 57578 SKYPASS-ASPL Poland 2->89 95 Antivirus / Scanner detection for submitted sample 2->95 97 Multi AV Scanner detection for submitted file 2->97 99 Yara detected Mirai 2->99 101 Sample is packed with UPX 2->101 12 armv4l.elf 2->12         started        15 gvfsd-fuse fusermount 2->15         started        17 gnome-session-binary sh gsd-print-notifications 2->17         started        19 20 other processes 2->19 signatures3 process4 signatures5 105 Found strings related to Crypto-Mining 12->105 21 armv4l.elf 12->21         started        107 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->107 23 gsd-print-notifications 17->23         started        process6 process7 25 armv4l.elf 21->25         started        28 gsd-print-notifications gsd-printer 23->28         started        signatures8 103 Sample deletes itself 25->103 30 armv4l.elf 25->30         started        33 armv4l.elf 25->33         started        35 armv4l.elf iptables 25->35         started        37 armv4l.elf iptables 25->37         started        process9 signatures10 109 Sample tries to kill multiple processes (SIGKILL) 30->109 111 Deletes system log files 30->111 39 armv4l.elf 30->39         started        41 armv4l.elf 30->41         started        43 armv4l.elf 30->43         started        46 22 other processes 30->46 process11 file12 48 armv4l.elf 39->48         started        51 armv4l.elf 39->51         started        53 armv4l.elf 39->53         started        59 23 other processes 39->59 55 armv4l.elf 41->55         started        57 armv4l.elf 41->57         started        61 15 other processes 41->61 85 /run/.locker.pid, ASCII 43->85 dropped 63 11 other processes 43->63 87 /run/.watchdog.pid, ASCII 46->87 dropped 65 19 other processes 46->65 process13 signatures14 91 Sample tries to kill multiple processes (SIGKILL) 48->91 93 Deletes system log files 48->93 67 20 other processes 48->67 69 17 other processes 51->69 71 11 other processes 53->71 73 19 other processes 55->73 75 17 other processes 57->75 77 36 other processes 59->77 79 24 other processes 61->79 81 18 other processes 63->81 83 14 other processes 65->83 process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cafd6cc41f5ae446d21bc2aafdb9f6de5a862dd87ab07dc660c5f3fc6d17c391
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cafd6cc41f5ae446d21bc2aafdb9f6de5a862dd87ab07dc660c5f3fc6d17c391/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2026-08-20 03:11:17 UTC
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zl6wzra7llsenuq3ykvp3opw3znimloypkyh3rtayxz7y3ixyoiq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260820-cm42ja1shv/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/cafd6cc41f5ae446d21bc2aafdb9f6de5a862dd87ab07dc660c5f3fc6d17c391

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf cafd6cc41f5ae446d21bc2aafdb9f6de5a862dd87ab07dc660c5f3fc6d17c391

(this sample)

Mirai

elf cfc96143d3c6e37e17a01a83ed3fa48d57ebe1ab984d514d984edea001b458da

  
URLhaus
https://urlhaus.abuse.ch/url/3893717/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 cfc96143d3c6e37e17a01a83ed3fa48d57ebe1ab984d514d984edea001b458da
  
Dropping
MD5 004f07454d0823dcc81b2f2f3417af58

Comments