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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf5731a62909f8f133520f356f4a7555a33a42eee5e05e511f7655475c980580. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf5731a62909f8f133520f356f4a7555a33a42eee5e05e511f7655475c980580
SHA3-384 hash: 54dce70fc3123536bdcd8cc4886ebe06ab795c77966f4c126db8e6db7e089ddbec5037916fc619b03d29e9fbde840438
SHA1 hash: eeac5306635870b75a8ade1456363fe8ffa0d209
MD5 hash: f11c4166f67dc223e02d1e978cc9306d
humanhash: chicken-hot-enemy-edward
File name:zerm68k
Download: download sample
Signature Gafgyt
Create hunting rule
File size:84'504 bytes
First seen:2025-12-16 12:13:58 UTC
Last seen:2025-12-17 10:10:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:gRS7USSJX0EdtbpUdDwuA/w5aw8ur+K/jEDODZMGwVy:2S7USZEZj/wccBjc2ZMGwVy
TLSH T18D833BA06021CDEDED1FC67AC6A20519AE35E6411F520F3BD496FDA7DD221A4F83ACD0
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9933849-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/69414d17e126b9ff438280b3/reports/36bac8c6-f042-4a18-a709-22400292c4d2/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-16T08:36:00Z UTC
Last seen:
2025-12-16T11:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf5731a62909f8f133520f356f4a7555a33a42eee5e05e511f7655475c980580/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/20231266-078a-4806-bdf9-6f385e0d87f6
Behavior Graph:
Download SVG
%3 guuid=825aebad-1a00-0000-578b-e83a64090000 pid=2404 /usr/bin/sudo guuid=a219caaf-1a00-0000-578b-e83a6a090000 pid=2410 /tmp/sample.bin guuid=825aebad-1a00-0000-578b-e83a64090000 pid=2404->guuid=a219caaf-1a00-0000-578b-e83a6a090000 pid=2410 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7fc355c7-aff3-4d14-9634-e85e00cb25e2
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1833876
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1833876 Sample: zerm68k.elf Startdate: 16/12/2025 Architecture: LINUX Score: 56 14 157.245.79.120, 39691, 58982 DIGITALOCEAN-ASNUS United States 2->14 16 slursontel.ru 2->16 18 Antivirus / Scanner detection for submitted sample 2->18 20 Multi AV Scanner detection for submitted file 2->20 8 zerm68k.elf 2->8         started        signatures3 process4 process5 10 zerm68k.elf 8->10         started        process6 12 zerm68k.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf5731a62909f8f133520f356f4a7555a33a42eee5e05e511f7655475c980580
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf5731a62909f8f133520f356f4a7555a33a42eee5e05e511f7655475c980580/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 12:14:18 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5ltdjrjbh4pcm2sb42w6stvkwrtuqxo4xqf4ui7ozkuoxeyawaa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251216-pee4nayqbk/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ee4667ec-7d27-44aa-9cb0-1ce0c9e7ee6b
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/cf5731a62909f8f133520f356f4a7555a33a42eee5e05e511f7655475c980580

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: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 cf5731a62909f8f133520f356f4a7555a33a42eee5e05e511f7655475c980580

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726570/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726458/

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