MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1eca05ac8f0dca29557632c95eab45b6cdedd3a594cc28c6d94ce8f7ef37bba. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1eca05ac8f0dca29557632c95eab45b6cdedd3a594cc28c6d94ce8f7ef37bba
SHA3-384 hash: 9142175683b44bd6178b0e2f19a00c65c195fc7806c6dd2ced283837c9f97157b51b57f903f2cbde953782ef1c5c4cb6
SHA1 hash: 8ef299bd740ed3f0126bc0e1bdc85a06b0e4486e
MD5 hash: 4d48adb347d78eb96d7e5857e074463e
humanhash: triple-butter-autumn-white
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:41'668 bytes
First seen:2026-01-21 15:43:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:K1vN4xLQwhaIc6MYAEtyvTIENtSGQeutvF4HHKEVhxGnbcuyD7UHQRjn:K2aLuty5QPGK6Gnouy8Hy7
TLSH T13D13F1C3D291E3A9D6ED54FE526C288B53C69658308CF1EFA9405279272EF01372EBD4
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: 31f8fa7aa1d924ecd3453607b4c6f48db5def0d683325163f1a04613fbd6ea33

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/3b1360b2-3697-400c-a33c-925ef4b41bce/
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/6970f45955805a763fed9251/reports/9e126f2d-47a8-4d69-882a-01d9201f36bc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
81
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b1eca05ac8f0dca29557632c95eab45b6cdedd3a594cc28c6d94ce8f7ef37bba
Behaviour
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7cd4fb33-a904-42dd-b8d2-145b3d4fb696
Behavior Graph:
Download SVG
%3 guuid=afb9c33b-1b00-0000-e70e-407ec50b0000 pid=3013 /usr/bin/sudo guuid=a1d4d53d-1b00-0000-e70e-407ecd0b0000 pid=3021 /tmp/sample.bin net guuid=afb9c33b-1b00-0000-e70e-407ec50b0000 pid=3013->guuid=a1d4d53d-1b00-0000-e70e-407ecd0b0000 pid=3021 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a1d4d53d-1b00-0000-e70e-407ecd0b0000 pid=3021->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e44f1c5c-1b00-0000-e70e-407e200c0000 pid=3104 /tmp/sample.bin zombie guuid=a1d4d53d-1b00-0000-e70e-407ecd0b0000 pid=3021->guuid=e44f1c5c-1b00-0000-e70e-407e200c0000 pid=3104 clone guuid=dd93215c-1b00-0000-e70e-407e210c0000 pid=3105 /tmp/sample.bin dns net send-data zombie guuid=a1d4d53d-1b00-0000-e70e-407ecd0b0000 pid=3021->guuid=dd93215c-1b00-0000-e70e-407e210c0000 pid=3105 clone guuid=dd93215c-1b00-0000-e70e-407e210c0000 pid=3105->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 42B 92baddd7-8a81-534e-9407-4c1f931774f6 ahahahahahajs.unproxy.st:9772 guuid=dd93215c-1b00-0000-e70e-407e210c0000 pid=3105->92baddd7-8a81-534e-9407-4c1f931774f6 send: 40B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b24130c9-e9b8-41be-bb06-5d6a8bd2cbb4
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1855056
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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1eca05ac8f0dca29557632c95eab45b6cdedd3a594cc28c6d94ce8f7ef37bba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1eca05ac8f0dca29557632c95eab45b6cdedd3a594cc28c6d94ce8f7ef37bba/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-21 15:44:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whwkawwi6dokffkxmmwjl2vulnwn5xj2lfgmfddnsthi67xtpo5a._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/260121-s6mvcscs6e/
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/b1eca05ac8f0dca29557632c95eab45b6cdedd3a594cc28c6d94ce8f7ef37bba

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 b1eca05ac8f0dca29557632c95eab45b6cdedd3a594cc28c6d94ce8f7ef37bba

(this sample)

Mirai

elf 31f8fa7aa1d924ecd3453607b4c6f48db5def0d683325163f1a04613fbd6ea33

  
URLhaus
https://urlhaus.abuse.ch/url/3683088/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 31f8fa7aa1d924ecd3453607b4c6f48db5def0d683325163f1a04613fbd6ea33
  
Dropping
MD5 55e15a8af110ae6a40bc4f50aee38baf
  
URLhaus
https://urlhaus.abuse.ch/url/3761553/
  
URLhaus
https://urlhaus.abuse.ch/url/3761652/

Comments