MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e
SHA3-384 hash: bdcd9f9d9d977923157c570e328efc1bc920c65cfb89264a93adf45c0e8d3f569b00d1a7d0be6794963c827ba392f118
SHA1 hash: c5cc805d9ce4a5f99f2782da5fa8a8c4eb2b6b41
MD5 hash: 00dc4a7df4b27f108d3301308f234b7f
humanhash: delta-river-uranus-don
File name:S3o.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:50'088 bytes
First seen:2025-11-19 23:27:52 UTC
Last seen:2025-11-20 01:50:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Br1tPFeRwax5QQU/vhHknHVSvIJ5mwja+J2FBcpABvgKmBtLA7+vc74pQWlB7g9c:B5FFcwax5tYZHkZja+oH1Bvgwv7gpLb
TLSH T1122302893A04AB26FCB174FAB6E5C21B7E944FF492CFF9B01118416C08DB9989775C0B
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) :50'088 bytes
File size (de-compressed) :124'384 bytes
Format:linux/arm
Unpacked file: 2f83965401ad24da0f1652adeeb67d7a282f02c6a1005cb69b0786697dbd95b6

Intelligence

File Origin
# of uploads :
2
# of downloads :
34
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.24834.6153.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/691e52a927a01b9078de8716/reports/06da4580-a3c4-4b2b-8785-91014afb98b9/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-19T17:57:00Z UTC
Last seen:
2025-11-19T19:09:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ca6f3db8-d2f1-44c8-a1db-957d9c6087af
Behavior Graph:
Download SVG
%3 guuid=554ff03c-1800-0000-409b-187a8a0d0000 pid=3466 /usr/bin/sudo guuid=697c973f-1800-0000-409b-187a910d0000 pid=3473 /tmp/sample.bin guuid=554ff03c-1800-0000-409b-187a8a0d0000 pid=3466->guuid=697c973f-1800-0000-409b-187a910d0000 pid=3473 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f1b09dac-97c1-414a-b01c-c79df5459b11
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1817378
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 23:28:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sf4f4vwiuwhtdyi7zgvbi6vi4jf3fzncirp2tzaehi7bt7drty7a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/251119-3f8n9a1qar/
Behaviour
Reads runtime system information
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/026a9f8e-c775-4558-a48f-8bea7836012f
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/91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e

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: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 91785e56c8a58f31e11fc9aa147aa8e24bb2e5a2445fa9e4043a3e19fc719e3e

(this sample)

Mirai

elf 2f83965401ad24da0f1652adeeb67d7a282f02c6a1005cb69b0786697dbd95b6

  
URLhaus
https://urlhaus.abuse.ch/url/3712155/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 2f83965401ad24da0f1652adeeb67d7a282f02c6a1005cb69b0786697dbd95b6
  
Dropping
MD5 ab8e323fad7dd589169c2298071d6faf
  
URLhaus
https://urlhaus.abuse.ch/url/3712516/
  
URLhaus
https://urlhaus.abuse.ch/url/3712519/
  
URLhaus
https://urlhaus.abuse.ch/url/3712530/

Comments