MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b57d67490695835f924b22714ab9f24e816f25d98f8b6d32c81d9d05564bf771. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b57d67490695835f924b22714ab9f24e816f25d98f8b6d32c81d9d05564bf771
SHA3-384 hash: 37626c6ca93c1d11c9e1f3d14717d28fcabd9f3ba73076056a8073b0112d723c7233dd5feaf5ad9e3eb31292183a2c97
SHA1 hash: be3964b5cc71209ddf53a6907aaad738a7f8ae5f
MD5 hash: ce1cadd8304c9ce41f3985fde944eb5f
humanhash: oven-sierra-floor-summer
File name:purves.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:33'660 bytes
First seen:2026-01-26 18:24:44 UTC
Last seen:2026-01-26 22:00:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:rqCXHGemUkn9WSzPvqtr5TySFmCD4uVcqgw090:T+Jn9ZKtrVyC5D4u+qgw090
TLSH T184E2D050E05DC893EE6BCEB2BFC582C5BACA67D935EC09C3618BA3011189453A06DEF1
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) :33'660 bytes
File size (de-compressed) :72'256 bytes
Format:linux/ppc32
Unpacked file: b30338ccdb8595d968b5787abe4952317749c0b1aabd3c943e1039a60dadc808

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e0256753-ae2f-4cb1-bb16-1e5f8b0cc132/
Detection(s):
Unix.Trojan.Mirai-9936831-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6977b1a94156786ccbd86707/reports/a0af9330-a9e1-40e9-b441-d04d444cb3f8/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-26T16:13:00Z UTC
Last seen:
2026-01-27T12:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b57d67490695835f924b22714ab9f24e816f25d98f8b6d32c81d9d05564bf771/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e9ac6fb7-af24-4217-8c54-6621eede0597
Behavior Graph:
Download SVG
%3 guuid=a90935d5-1800-0000-f482-fef356070000 pid=1878 /usr/bin/sudo guuid=cf0649d7-1800-0000-f482-fef35c070000 pid=1884 /tmp/sample.bin guuid=a90935d5-1800-0000-f482-fef356070000 pid=1878->guuid=cf0649d7-1800-0000-f482-fef35c070000 pid=1884 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2226c694-8dc6-493a-8cd2-d851ed163470
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1857840
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857840 Sample: purves.ppc.elf Startdate: 26/01/2026 Architecture: LINUX Score: 76 22 82.94.42.107, 23 XS4ALL-NLAmsterdamNL Netherlands 2->22 24 63.243.65.55, 23 WINDSTREAMUS United States 2->24 26 98 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 purves.ppc.elf 2->8         started        signatures3 process4 process5 10 purves.ppc.elf 8->10         started        12 purves.ppc.elf 8->12         started        14 purves.ppc.elf 8->14         started        process6 16 purves.ppc.elf 10->16         started        18 purves.ppc.elf 10->18         started        20 purves.ppc.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b57d67490695835f924b22714ab9f24e816f25d98f8b6d32c81d9d05564bf771
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b57d67490695835f924b22714ab9f24e816f25d98f8b6d32c81d9d05564bf771/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 18:18:43 UTC
File Type:
ELF32 Big (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wv6wosigswbv7eslejyuvopsj2aw6jozr6fw2mwidwoqkvsl65yq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Link:
https://tria.ge/reports/260126-w21gfaev7c/
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/b57d67490695835f924b22714ab9f24e816f25d98f8b6d32c81d9d05564bf771

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 b57d67490695835f924b22714ab9f24e816f25d98f8b6d32c81d9d05564bf771

(this sample)

Mirai

elf b30338ccdb8595d968b5787abe4952317749c0b1aabd3c943e1039a60dadc808

  
URLhaus
https://urlhaus.abuse.ch/url/3764254/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b30338ccdb8595d968b5787abe4952317749c0b1aabd3c943e1039a60dadc808
  
Dropping
MD5 a4e8e79157a8f9c268ef3cd6e4bdf8d0

Comments