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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b27399321ed2641a450c52811c7ea3b2e6eef864aab7c49f66e95cb2245dc330. 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


Gafgyt


Vendor detections: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b27399321ed2641a450c52811c7ea3b2e6eef864aab7c49f66e95cb2245dc330
SHA3-384 hash: 219144991c115c8336213c90f8a4ad3de7b68ff1caa49df95313bb1b50545f54f8fd7de43ea4dd8ce5533179a6ba9cfd
SHA1 hash: df925115fce61cd549094c2f93439cf7b889ba43
MD5 hash: e69c44744fe9a990fabb57973bc50768
humanhash: table-utah-spring-venus
File name:hoodlum.m68k
Download: download sample
Signature Gafgyt
Create hunting rule
File size:134'172 bytes
First seen:2025-02-22 17:11:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:iPau7f2qvPQeqacWucW0JcWcBd441uVgznMujigK8qvsJ3YjR8wTSmmK4TttDtVC:iiu7PPQeqacWucW0JcWcBy41uW4u5K8s
TLSH T1B8D3FAD3F511DA66F00B963205CB4B256670F6ED0B431E2B62373B6A99362DC781EE42
telfhash t1d9213213a1b98a296fb79d68ac7c06f11161a623b3417fb0ef1dc1848d37002b43dc9b
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
11
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
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Unix.Dropper.Mirai-7136029-0
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Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
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Unix.Trojan.Mirai-6981989-0
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Unix.Trojan.Mirai-9864781-0
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Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ba057728ab76d43a5c68cflinux22vpnfull_triage
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin masquerade obfuscated remote
Link:
https://www.filescan.io/uploads/67ba05746222db7f23d8a8ac/reports/95ea465b-6b0b-4805-97f8-c23b31a2f294/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0c078a4d-bb06-4732-8f41-36a8c6f5417e
Result
Threat name:
Gafgyt, Mirai
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Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1621871
Signature
Antivirus / Scanner detection for submitted sample
Deletes all firewall rules
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1621871 Sample: hoodlum.m68k.elf Startdate: 22/02/2025 Architecture: LINUX Score: 100 68 37.44.238.66, 23, 45126 HARMONYHOSTING-ASFR France 2->68 70 109.202.202.202, 80 INIT7CH Switzerland 2->70 72 2 other IPs or domains 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus / Scanner detection for submitted sample 2->78 80 3 other signatures 2->80 12 dash rm hoodlum.m68k.elf 2->12         started        15 dash rm 2->15         started        signatures3 process4 signatures5 82 Opens /proc/net/* files useful for finding connected devices and routers 12->82 84 Sample deletes itself 12->84 17 hoodlum.m68k.elf 12->17         started        process6 process7 19 hoodlum.m68k.elf 17->19         started        process8 21 hoodlum.m68k.elf sh 19->21         started        23 hoodlum.m68k.elf sh 19->23         started        25 hoodlum.m68k.elf sh 19->25         started        27 10 other processes 19->27 process9 29 sh service systemctl 21->29         started        32 sh iptables 23->32         started        34 sh service systemctl 25->34         started        36 sh rm 27->36         started        38 sh rm 27->38         started        40 sh rm 27->40         started        42 7 other processes 27->42 signatures10 86 Tries to stop the "iptables" service 29->86 44 service 29->44         started        46 service basename 29->46         started        48 service basename 29->48         started        50 service systemctl 29->50         started        88 Deletes all firewall rules 32->88 52 service 34->52         started        54 service basename 34->54         started        56 service basename 34->56         started        58 service systemctl 34->58         started        process11 process12 60 service systemctl 44->60         started        62 service sed 44->62         started        64 service systemctl 52->64         started        66 service sed 52->66         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b27399321ed2641a450c52811c7ea3b2e6eef864aab7c49f66e95cb2245dc330
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b27399321ed2641a450c52811c7ea3b2e6eef864aab7c49f66e95cb2245dc330/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-02-22 16:24:16 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjzzsmq62jsburimkkary7vdwlto56devk34jh3g5folejc5ymya._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/250222-vqyb9swmt9/
Malware Config
C2 Extraction:
37.44.238.66:23
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-6981989-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/6f2ced0e-21df-490e-9ba1-1f6c675a2aec
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/b27399321ed2641a450c52811c7ea3b2e6eef864aab7c49f66e95cb2245dc330

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_Gafgyt_Generic
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Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
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Author:malware-lu
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Gafgyt

elf b27399321ed2641a450c52811c7ea3b2e6eef864aab7c49f66e95cb2245dc330

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3448815/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3448889/

Comments