MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cac5cff36f70ba090c4a3813a637753cc1df574bac9e77063d1793fdb9626bb3. 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: 10


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

SHA256 hash: cac5cff36f70ba090c4a3813a637753cc1df574bac9e77063d1793fdb9626bb3
SHA3-384 hash: e841edd413885a66b6d96acb60fb07a6ba8243fb46b7a8484f2c5c8b865ba84530561db23e857bafdb67d8d6738ed6df
SHA1 hash: 5257134548b8e731786e0c525c50ae65ac7d90e1
MD5 hash: bf0d618c333a179d78d7a5236b644955
humanhash: november-quebec-failed-five
File name:arm61
Download: download sample
Signature Gafgyt
Create hunting rule
File size:178'513 bytes
First seen:2025-05-13 20:03:59 UTC
Last seen:2025-05-14 18:21:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:EmGdRpUMPaMirPd/MomXd7f+5KpOwfkmexVHJ5OGNmGwxM8QURH:E7RRPaMirPJMF1f+UpOw8lxVHmGNmGwV
TLSH T1A2043A05EA508757C2E327B9E68B424D33238F64A3DB33199938BFB43FD1B995E26111
telfhash t191210e47a1fac6686ff76920adbc47b508522b137652bf706f09c5c01c7b002a93addb
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
133
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Dropper.Mirai-7136164-0
Create hunting rule

Unix.Dropper.Mirai-7138857-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6823a70c4a59e5a2ce0455b1linux22vpnfull_triage
Tags:
gafgyt mirai ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Gains root access
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/6823a5ce8bd61140fb6eae96/reports/2095f50f-fcc7-4ffb-9340-9502524c9b39/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
9
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cac5cff36f70ba090c4a3813a637753cc1df574bac9e77063d1793fdb9626bb3
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/32bf772f-1431-4c86-b3b4-271807112351
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1689379
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1689379 Sample: arm61.elf Startdate: 13/05/2025 Architecture: LINUX Score: 96 35 5.252.177.70, 23 MIVOCLOUDMD Moldova Republic of 2->35 37 daisy.ubuntu.com 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 3 other signatures 2->45 15 arm61.elf 2->15         started        signatures3 process4 process5 17 arm61.elf 15->17         started        process6 19 arm61.elf 17->19         started        process7 21 arm61.elf 19->21         started        process8 23 arm61.elf 21->23         started        process9 25 arm61.elf 23->25         started        process10 27 arm61.elf 25->27         started        process11 29 arm61.elf 27->29         started        process12 31 arm61.elf 29->31         started        process13 33 arm61.elf 31->33         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cac5cff36f70ba090c4a3813a637753cc1df574bac9e77063d1793fdb9626bb3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cac5cff36f70ba090c4a3813a637753cc1df574bac9e77063d1793fdb9626bb3/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-05-13 20:04:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zlc4743poc5asdckhaj2mn3vhta56v2lvsphobr5c6j73olcnozq._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/250513-ytdntazzgv/
Behaviour
Changes its process name
Malware Config
C2 Extraction:
5.252.177.70:23
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_6a510422
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
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 cac5cff36f70ba090c4a3813a637753cc1df574bac9e77063d1793fdb9626bb3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3542894/
  
Delivery method
Distributed via web download

Comments