MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1
SHA3-384 hash: 190e1507c0b209286783cfb109e844bd92cd1900608166654b98cfbb9ccc183a5101441858c8fca57e8299bb96db7645
SHA1 hash: d8943a812a7405e43384c29c285ea9471edc9ccb
MD5 hash: c54bdd03d8783ed9d97a0f8a1cd8c788
humanhash: ceiling-cat-sweet-sink
File name:cali.mipsel
Download: download sample
Signature Gafgyt
Create hunting rule
File size:82'161 bytes
First seen:2026-04-06 08:23:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Y2MXeTUgMwUAgRrCeZ9WCoHhT4bFPvclMh1msI4beapa2:YZZjkTlMh1mCCapa2
TLSH T16283645BAB619F73DC5EDD37029A4502208EAD5A02D86B2FB274F51CE7BB84E08D3D44
telfhash t125111002a9f98e2c8ff3569018fc05342a52f1273531ae70ff18c0509d35011f12af8b
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 gafgyt upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 363cb0b6bdd66193ec537f2a2222657a8389c493e8e8b091268b748795c04c9d
File size (compressed) :25'760 bytes
File size (de-compressed) :82'161 bytes
Format:linux/mipsel
Packed file: 363cb0b6bdd66193ec537f2a2222657a8389c493e8e8b091268b748795c04c9d

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Substitutes an application name
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-06T06:44:00Z UTC
Last seen:
2026-04-06T06:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/29d54269-db79-43d2-84ce-b92cc26fc14e
Behavior Graph:
Download SVG
%3 guuid=ec89be63-1900-0000-7cc4-b5d4fc090000 pid=2556 /usr/bin/sudo guuid=aafff165-1900-0000-7cc4-b5d4020a0000 pid=2562 /tmp/sample.bin guuid=ec89be63-1900-0000-7cc4-b5d4fc090000 pid=2556->guuid=aafff165-1900-0000-7cc4-b5d4020a0000 pid=2562 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/63bc8647-ea71-4c18-b40d-faff8efb1702
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1893891
Signature
Found malware configuration
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1893891 Sample: cali.mipsel.elf Startdate: 06/04/2026 Architecture: LINUX Score: 76 21 82.25.56.112, 1338, 33468 NTLGB United Kingdom 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 3 other IPs or domains 2->25 27 Found malware configuration 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Gafgyt 2->31 33 Yara detected Mirai 2->33 8 cali.mipsel.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 signatures5 35 Opens /proc/net/* files useful for finding connected devices and routers 8->35 17 cali.mipsel.elf 8->17         started        process6 process7 19 cali.mipsel.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-04-06 08:24:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yw3e7jluygaiqxfho6zr3rgeahleukmdrzessdzu3lqi5j4ov7aq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/260406-katn2aby3m/
Behaviour
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads system routing table
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/c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1

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:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 363cb0b6bdd66193ec537f2a2222657a8389c493e8e8b091268b748795c04c9d

Gafgyt

elf c5b64fa574c180885ca777b31dc4c401d64a29838e49290f34dae08ea78eafc1

(this sample)

  
Dropped by
SHA256 363cb0b6bdd66193ec537f2a2222657a8389c493e8e8b091268b748795c04c9d
  
URLhaus
https://urlhaus.abuse.ch/url/3812848/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 4ad306331192f58e6d0903fb2346c746

Comments