MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a4b22f5b96ea6e175e0d0210070258921354c66643263d1da13e572be781cc5. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a4b22f5b96ea6e175e0d0210070258921354c66643263d1da13e572be781cc5
SHA3-384 hash: fe32faf60edac30e3341041874d1e9af2af59ae43cd1f58b3dbd808b2952744a94431250a31a9958e6e62946886d7be6
SHA1 hash: f6c85cf8e9f71ad6d433ad444f58599819d66728
MD5 hash: ae21c3c2e2f6de0454ffe8ada413b0b9
humanhash: early-red-ten-failed
File name:px86
Download: download sample
Signature Mirai
Create hunting rule
File size:32'752 bytes
First seen:2026-03-03 20:43:11 UTC
Last seen:2026-03-04 19:41:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:cdaQJCBHaMD96X8vyRdjgp3RgQKEnz8CVDzJtNnbcuyD7UpUcJ:6rmaMDqIyRCpCEnzRVDlnouy8z
TLSH T1AFE2F1F6E25A5513E1CE103F14A22DCB0410A3BFD0C9C76A63E41DAAF8A7790AC5856A
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) :32'752 bytes
File size (de-compressed) :59'152 bytes
Format:linux/i386
Unpacked file: 3f36dbe20a5077f5aad71c43c6db81b116ce69a07eb8897ad5c9f4ac6ddd360f

Intelligence

File Origin
# of uploads :
3
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e0837fda-d31e-481d-b2b1-d600807f2372/
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/69a747e510e80629d4fac39a/reports/38b6e312-5e04-4089-98b7-f7477e45cd4f/overview
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/3a4b22f5b96ea6e175e0d0210070258921354c66643263d1da13e572be781cc5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a1aa2da7-f02f-492a-ad68-ce7f2f489120
Behavior Graph:
Download SVG
%3 guuid=3b84fb20-1800-0000-855b-9d328b0b0000 pid=2955 /usr/bin/sudo guuid=43d79422-1800-0000-855b-9d32920b0000 pid=2962 /tmp/sample.bin delete-file net guuid=3b84fb20-1800-0000-855b-9d328b0b0000 pid=2955->guuid=43d79422-1800-0000-855b-9d32920b0000 pid=2962 execve c7e9c73a-6b9a-5074-bd18-46af4e9bf763 176.65.139.37:53 guuid=43d79422-1800-0000-855b-9d32920b0000 pid=2962->c7e9c73a-6b9a-5074-bd18-46af4e9bf763 con guuid=b0312123-1800-0000-855b-9d32950b0000 pid=2965 /tmp/sample.bin net send-data zombie guuid=43d79422-1800-0000-855b-9d32920b0000 pid=2962->guuid=b0312123-1800-0000-855b-9d32950b0000 pid=2965 clone guuid=b0312123-1800-0000-855b-9d32950b0000 pid=2965->c7e9c73a-6b9a-5074-bd18-46af4e9bf763 con 06f22d8a-e5ac-594c-a01f-546f9da0bc93 176.65.139.37:18129 guuid=b0312123-1800-0000-855b-9d32950b0000 pid=2965->06f22d8a-e5ac-594c-a01f-546f9da0bc93 send: 280B guuid=b2f63123-1800-0000-855b-9d32960b0000 pid=2966 /tmp/sample.bin guuid=b0312123-1800-0000-855b-9d32950b0000 pid=2965->guuid=b2f63123-1800-0000-855b-9d32960b0000 pid=2966 clone guuid=bb823523-1800-0000-855b-9d32970b0000 pid=2967 /tmp/sample.bin guuid=b0312123-1800-0000-855b-9d32950b0000 pid=2965->guuid=bb823523-1800-0000-855b-9d32970b0000 pid=2967 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/220fa1bc-8aac-4b9a-82f3-2e19f94ac7b5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1877857
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1877857 Sample: px86.elf Startdate: 03/03/2026 Architecture: LINUX Score: 72 21 176.65.139.37, 18129, 32942, 32944 PALTEL-ASPALTELAutonomousSystemPS Germany 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 3 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 33 Sample is packed with UPX 2->33 8 px86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 35 Sample deletes itself 8->35 15 px86.elf 8->15         started        process6 process7 17 px86.elf 15->17         started        19 px86.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3a4b22f5b96ea6e175e0d0210070258921354c66643263d1da13e572be781cc5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a4b22f5b96ea6e175e0d0210070258921354c66643263d1da13e572be781cc5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-03 20:44:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjfsf5nzn2toc5pa2aqqa4bfreqtktdgmqzghuo2cpsxfptydtcq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260303-zhpglsft2n/
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3a4b22f5b96ea6e175e0d0210070258921354c66643263d1da13e572be781cc5

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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 3a4b22f5b96ea6e175e0d0210070258921354c66643263d1da13e572be781cc5

(this sample)

Mirai

elf 3f36dbe20a5077f5aad71c43c6db81b116ce69a07eb8897ad5c9f4ac6ddd360f

  
URLhaus
https://urlhaus.abuse.ch/url/3783543/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 3f36dbe20a5077f5aad71c43c6db81b116ce69a07eb8897ad5c9f4ac6ddd360f
  
Dropping
MD5 3ec2cc231bae9e8d6d745467ee147cfe

Comments