MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e
SHA3-384 hash: 80891b3c3fda1c55dacbc263fa8222df20c36f13c7d66fbc0f4986b5ce1145dd39086c1128b1586eb81d72ecf2ce6abf
SHA1 hash: 64f0ca6d178a8eb89c46883691eef1ebb2b15b74
MD5 hash: 283a049b42375e023a263f80c72492ea
humanhash: minnesota-bakerloo-ink-pennsylvania
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:41'668 bytes
First seen:2025-12-04 17:10:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:K1vN4xLQwhaIc6MYAEtyvTIENtSGQeutvF4HHKEs2GnbcuyD7UHQRjR:K2aLuty5QPGKN2Gnouy8Hyl
TLSH T15213F18796A1E3ADD2ED50FE629C288B57C29558318CF1DB698011392A39F103B6EFC4
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) :41'668 bytes
File size (de-compressed) :79'280 bytes
Format:linux/i386
Unpacked file: 5719932ef5336b327031fa78a3dd5faedd0ba67b4421d4c5b7fe4ad1ddb50229

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/65c7c4f8-3005-430a-9f56-4de4c6c7e3db/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6931c0b5bc15eab491f481fd/reports/e83efd24-ce97-42bb-8037-db66f4b4d8c1/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T14:18:00Z UTC
Last seen:
2025-12-06T06:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/49f4ad5f-1d7b-403f-8212-63bead47df0c
Behavior Graph:
Download SVG
%3 guuid=9665f9cd-1a00-0000-8f61-d9c9bc0d0000 pid=3516 /usr/bin/sudo guuid=a38ec7cf-1a00-0000-8f61-d9c9be0d0000 pid=3518 /tmp/sample.bin net guuid=9665f9cd-1a00-0000-8f61-d9c9bc0d0000 pid=3516->guuid=a38ec7cf-1a00-0000-8f61-d9c9be0d0000 pid=3518 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a38ec7cf-1a00-0000-8f61-d9c9be0d0000 pid=3518->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ff9f02f5-1a00-0000-8f61-d9c9030e0000 pid=3587 /tmp/sample.bin zombie guuid=a38ec7cf-1a00-0000-8f61-d9c9be0d0000 pid=3518->guuid=ff9f02f5-1a00-0000-8f61-d9c9030e0000 pid=3587 clone guuid=062d0bf5-1a00-0000-8f61-d9c9040e0000 pid=3588 /tmp/sample.bin dns net send-data zombie guuid=a38ec7cf-1a00-0000-8f61-d9c9be0d0000 pid=3518->guuid=062d0bf5-1a00-0000-8f61-d9c9040e0000 pid=3588 clone guuid=062d0bf5-1a00-0000-8f61-d9c9040e0000 pid=3588->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 168B 92baddd7-8a81-534e-9407-4c1f931774f6 ahahahahahajs.unproxy.st:9772 guuid=062d0bf5-1a00-0000-8f61-d9c9040e0000 pid=3588->92baddd7-8a81-534e-9407-4c1f931774f6 send: 2B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/499cee7c-9be6-4303-8b9b-33303c8f6f32
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1826565
Signature
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826565 Sample: x86.elf Startdate: 04/12/2025 Architecture: LINUX Score: 80 20 ahahahahahajs.unproxy.st 87.121.84.60, 58840, 9772 SKATTV-ASBG Bulgaria 2->20 22 34.243.160.129, 443 AMAZON-02US United States 2->22 24 54.217.10.153, 443, 49576 AMAZON-02US United States 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 2 other signatures 2->32 7 x86.elf 2->7         started        10 dash rm 2->10         started        12 dash grep 2->12         started        14 dash rm 2->14         started        signatures3 process4 signatures5 34 Found strings related to Crypto-Mining 7->34 16 x86.elf 7->16         started        18 x86.elf 7->18         started        process6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 17:11:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yx42rdmkwbqmr7w3xe6g7ec3cwdub4ck4rct5bywxhcbr6m34fpa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux upx
Link:
https://tria.ge/reports/251204-vqc2bs1kbs/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Traces itself
Mirai
Mirai family
Malware Config
C2 Extraction:
ahahahahahajs.unproxy.st
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/665c2bb3-fd75-41f6-b372-ff6c2789a263
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e

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 c5f9a88d8ab060c8fedbb93c6f905b158740f04ae4453e8716b9c418f99be15e

(this sample)

Mirai

elf 5719932ef5336b327031fa78a3dd5faedd0ba67b4421d4c5b7fe4ad1ddb50229

  
URLhaus
https://urlhaus.abuse.ch/url/3713683/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5719932ef5336b327031fa78a3dd5faedd0ba67b4421d4c5b7fe4ad1ddb50229
  
Dropping
MD5 b0827defcec04261cdc6a2379d0e4c25
  
URLhaus
https://urlhaus.abuse.ch/url/3713422/
  
URLhaus
https://urlhaus.abuse.ch/url/3724836/
  
URLhaus
https://urlhaus.abuse.ch/url/3724830/
  
URLhaus
https://urlhaus.abuse.ch/url/3683088/
  
URLhaus
https://urlhaus.abuse.ch/url/3683086/
  
URLhaus
https://urlhaus.abuse.ch/url/3713677/
  
URLhaus
https://urlhaus.abuse.ch/url/3713669/

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