MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e
SHA3-384 hash: d5d97754133e466e93f9032b6158394892ebb5e188f5aeb8ea33fdf4f4fd18bbe1986632f96daa32bf2476f032aee628
SHA1 hash: 2c33dfe011bf1c1b31b967af43c820e92c8a6ba3
MD5 hash: 8c8bcc31238d3dd399044836a54a8d60
humanhash: double-arkansas-carolina-kentucky
File name:armv6l
Download: download sample
Signature Mirai
Create hunting rule
File size:181'584 bytes
First seen:2025-11-21 05:38:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:6G1Lrfs1iXeRs2UlpP3BX3Qh1gFa75zd1NQ8zPxqmtw9Bkt+11:XXeNGtBXgzka75pw8zJHw9BY+1
TLSH T11A040946B8418B11D5C423BAFA1E028D33172B3CE2DFB2169D146F257BCAD6B0E7B615
telfhash t1c8b092aa1a01078920a39152c19fa632d2b1a2a80b4442691101be69ad062d120bac1b
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62
File size (compressed) :63'828 bytes
File size (de-compressed) :181'584 bytes
Format:linux/arm
Packed file: 251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/691ffb106c89728b9824ffa6/reports/276a6376-3eee-4a82-bbd0-31bd4e42d53a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-21T03:52:00Z UTC
Last seen:
2025-11-21T08:22:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1de34538-62cd-4899-9c61-a629468b8f90
Behavior Graph:
Download SVG
%3 guuid=36e2fb4c-1800-0000-c102-a5affe080000 pid=2302 /usr/bin/sudo guuid=b61d054f-1800-0000-c102-a5af03090000 pid=2307 /tmp/sample.bin guuid=36e2fb4c-1800-0000-c102-a5affe080000 pid=2302->guuid=b61d054f-1800-0000-c102-a5af03090000 pid=2307 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ceab69bd-7202-4f5c-9086-bd7ff77f20cb
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1818307
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1818307 Sample: armv6l.elf Startdate: 21/11/2025 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 armv6l.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 05:39:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5izq3iyoc6yx2gidsr2xxyk5deoucqaivxxuwinplbia7ypjn7a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251121-gcg68shz3e/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c1a9fdda-b691-4a49-987a-00a690d66246
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/cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e

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: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

Mirai

elf 251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62

Mirai

elf cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e

(this sample)

  
Dropped by
SHA256 251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62
  
URLhaus
https://urlhaus.abuse.ch/url/3693008/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 eeb5ebc30830b2e307731c865cab6976

Comments