MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55
SHA3-384 hash: c937ecd027baa34dc060b017d6e2d48092a1a9877aae7094c2ac7c717059e507a7c806f1fe4759e1bd2bbd76d8c28062
SHA1 hash: 661d3b9d12f1c66dac8b1f8f17044c3b817b5390
MD5 hash: bcd241712433db99606d1d5f38566378
humanhash: mars-illinois-west-fifteen
File name:Polar.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:144'652 bytes
First seen:2026-01-17 20:33:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Z3GJjMCwTbPawGB0nRfPfmUIUnBCztxxLEB04lQNRl:Z3qGDawGanRfmUIzk/SRl
TLSH T1C9E3288DFA8BC5F6D80748709026F2FFC732B4294076C35ADF99EF35CA239819616258
telfhash t1d4514afab6b60cec67d08903f74e5b61dd0d6bbb246436ba09f21591367210253a6c3d
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 70a46bf2111e393fda22863bd7449630867cab7023117e0672be2b829f6ff429
File size (compressed) :58'936 bytes
File size (de-compressed) :144'652 bytes
Format:linux/i386
Packed file: 70a46bf2111e393fda22863bd7449630867cab7023117e0672be2b829f6ff429

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/adc7441f-5d65-4a12-ab75-7c865e57aba8/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/696bf258fdafd7624aafcf73/reports/bce9a953-24c3-4c98-a410-7735b23b41e5/overview
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3133e6d5-cbf1-4ca7-9da7-4be265246bb9
Behavior Graph:
Download SVG
%3 guuid=e81b364a-1700-0000-1930-019cd8050000 pid=1496 /usr/bin/sudo guuid=711e2a4c-1700-0000-1930-019cdf050000 pid=1503 /tmp/sample.bin net guuid=e81b364a-1700-0000-1930-019cd8050000 pid=1496->guuid=711e2a4c-1700-0000-1930-019cdf050000 pid=1503 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=711e2a4c-1700-0000-1930-019cdf050000 pid=1503->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=755a564c-1700-0000-1930-019ce1050000 pid=1505 /tmp/sample.bin guuid=711e2a4c-1700-0000-1930-019cdf050000 pid=1503->guuid=755a564c-1700-0000-1930-019ce1050000 pid=1505 clone guuid=1cd26678-1800-0000-1930-019cf2080000 pid=2290 /tmp/sample.bin guuid=711e2a4c-1700-0000-1930-019cdf050000 pid=1503->guuid=1cd26678-1800-0000-1930-019cf2080000 pid=2290 clone guuid=f0496f78-1800-0000-1930-019cf3080000 pid=2291 /tmp/sample.bin net send-data zombie guuid=711e2a4c-1700-0000-1930-019cdf050000 pid=1503->guuid=f0496f78-1800-0000-1930-019cf3080000 pid=2291 clone guuid=b57e5f4c-1700-0000-1930-019ce2050000 pid=1506 /tmp/sample.bin guuid=755a564c-1700-0000-1930-019ce1050000 pid=1505->guuid=b57e5f4c-1700-0000-1930-019ce2050000 pid=1506 clone guuid=641e654c-1700-0000-1930-019ce3050000 pid=1507 /tmp/sample.bin dns net send-data zombie guuid=755a564c-1700-0000-1930-019ce1050000 pid=1505->guuid=641e654c-1700-0000-1930-019ce3050000 pid=1507 clone guuid=641e654c-1700-0000-1930-019ce3050000 pid=1507->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 42B f9ed34c3-977d-5a54-b8af-fb4beb1194e4 ilovenetssomuch.ddns.net:69 guuid=641e654c-1700-0000-1930-019ce3050000 pid=1507->f9ed34c3-977d-5a54-b8af-fb4beb1194e4 send: 6B guuid=f0496f78-1800-0000-1930-019cf3080000 pid=2291->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1260B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=f0496f78-1800-0000-1930-019cf3080000 pid=2291->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f334d092-787c-47c9-87a8-9a63c9bc46f8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1852612
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852612 Sample: Polar.i686.elf Startdate: 17/01/2026 Architecture: LINUX Score: 76 26 ilovenetssomuch.ddns.net 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 Polar.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Uses dynamic DNS services 26->40 process4 process5 16 Polar.i686.elf 8->16         started        18 Polar.i686.elf 8->18         started        20 Polar.i686.elf 8->20         started        process6 22 Polar.i686.elf 16->22         started        24 Polar.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 20:35:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hd4vxylkb4iyw34v2uoozuyzo4ioo5im34lnoyul5z2kpdmbvrkq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260117-zcjn6scv2e/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/e24835ab-bef0-42a5-9878-a0cfefcd8071
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/38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 70a46bf2111e393fda22863bd7449630867cab7023117e0672be2b829f6ff429

Mirai

elf 38f95be16a0f118b6f95d51cecd3197710e7750cdf16d7628bee74a78d81ac55

(this sample)

  
Dropped by
SHA256 70a46bf2111e393fda22863bd7449630867cab7023117e0672be2b829f6ff429
  
URLhaus
https://urlhaus.abuse.ch/url/3711495/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 75ce5f70d5338efeb0398a2438c984bb

Comments