MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8e657d363b5dc97a9e887e8686306ea0acc346c0b4b1eaf97e23cf2504a028b. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8e657d363b5dc97a9e887e8686306ea0acc346c0b4b1eaf97e23cf2504a028b
SHA3-384 hash: 2c81daf4e14831bf997fae6c918a049533843c64e5064eabf6f8751be7029558f06b1cefc6972c1dc5cb05183994ac9c
SHA1 hash: 953e380b6065aa87b64cb55bb65f6d52cc294c66
MD5 hash: 515216c27d2f63f29d8c29fce144a61a
humanhash: grey-sixteen-kansas-cola
File name:sumrak.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:51'092 bytes
First seen:2025-12-20 16:57:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tMqgfAI/9cx3cnOSRAA9N8K1G+8mDHTwrG5fnppszBt:yzfAI/9cx3A/AAX8SGyTFnk1t
TLSH T16933E124BB007F10D27169B7FA79964615BE4B78C074227F7F2C12E552DE88A87BC781
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 UPX
File size (compressed) :51'092 bytes
File size (de-compressed) :130'988 bytes
Format:linux/arm
Unpacked file: 330d8a9ca3bb66ddb22157e33672e392b662436271c1dda54b56e5e5596e94c0

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6aa96688-d418-4401-8b02-e33d9d405d26/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6946d57284afa5547b5b1628/reports/6dc62eb6-2c41-472c-ac35-750eb5b5cce9/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T14:07:00Z UTC
Last seen:
2025-12-22T13:23:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/a8e657d363b5dc97a9e887e8686306ea0acc346c0b4b1eaf97e23cf2504a028b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/22d79ed9-ad39-4ebd-8242-b9bf3678cdca
Behavior Graph:
Download SVG
%3 guuid=907131d4-1900-0000-d133-a977c9090000 pid=2505 /usr/bin/sudo guuid=74bf25d7-1900-0000-d133-a977d1090000 pid=2513 /tmp/sample.bin guuid=907131d4-1900-0000-d133-a977c9090000 pid=2505->guuid=74bf25d7-1900-0000-d133-a977d1090000 pid=2513 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b7f23446-7eff-43fe-80b2-5ad4d15a6bb5
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1836785
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836785 Sample: sumrak.arm.elf Startdate: 20/12/2025 Architecture: LINUX Score: 52 20 141.98.10.91, 19000, 48774, 48776 HOSTBALTICLT Lithuania 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Sample is packed with UPX 2->24 8 sumrak.arm.elf 2->8         started        signatures3 process4 process5 10 sumrak.arm.elf 8->10         started        12 sumrak.arm.elf 8->12         started        14 sumrak.arm.elf 8->14         started        process6 16 sumrak.arm.elf 10->16         started        18 sumrak.arm.elf 10->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a8e657d363b5dc97a9e887e8686306ea0acc346c0b4b1eaf97e23cf2504a028b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8e657d363b5dc97a9e887e8686306ea0acc346c0b4b1eaf97e23cf2504a028b/
Threat name:
Linux.Backdoor.Bushido
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 14:09:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdtfpu3dwxojpkpiq7ugqyyg5ifmyndmbnfr5l4x4i6peuckakfq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251220-vgl8mstrct/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1c357f1c-61b9-4e88-bc34-171033238d1f
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/a8e657d363b5dc97a9e887e8686306ea0acc346c0b4b1eaf97e23cf2504a028b

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

sh d1ebdefbfcf0967d811431319b33fc17ca5c59a130d53ee67d5f2669ecd335d1

Mirai

elf a8e657d363b5dc97a9e887e8686306ea0acc346c0b4b1eaf97e23cf2504a028b

(this sample)

Mirai

elf 330d8a9ca3bb66ddb22157e33672e392b662436271c1dda54b56e5e5596e94c0

  
URLhaus
https://urlhaus.abuse.ch/url/3738088/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3738092/
  
URLhaus
https://urlhaus.abuse.ch/url/3738099/
  
Dropping
SHA256 330d8a9ca3bb66ddb22157e33672e392b662436271c1dda54b56e5e5596e94c0
  
Dropping
MD5 6536cea908026f9caee87b77c7920f84
  
URLhaus
https://urlhaus.abuse.ch/url/3738206/
  
Dropped by
SHA256 d1ebdefbfcf0967d811431319b33fc17ca5c59a130d53ee67d5f2669ecd335d1
  
Dropped by
MD5 61a03cb9795128199b202d32e706c209
  
Dropped by
SHA256 9069e3de3de3894c0800ea0b0c01b19efc237033b7c6d1df04aa6bd7eadbf2c3
  
Dropped by
MD5 58e62ae3b5e8563c4abdf7501c0f715f
  
URLhaus
https://urlhaus.abuse.ch/url/3738066/
  
URLhaus
https://urlhaus.abuse.ch/url/3738071/
  
URLhaus
https://urlhaus.abuse.ch/url/3738079/
  
URLhaus
https://urlhaus.abuse.ch/url/3738150/
  
URLhaus
https://urlhaus.abuse.ch/url/3738095/
  
URLhaus
https://urlhaus.abuse.ch/url/3738091/
  
URLhaus
https://urlhaus.abuse.ch/url/3738110/
  
URLhaus
https://urlhaus.abuse.ch/url/3738120/

Comments