MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2a499696489970d331eed809cf0ea9df81fce7b5e1e4bb74b6ec258cbca8d72. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2a499696489970d331eed809cf0ea9df81fce7b5e1e4bb74b6ec258cbca8d72
SHA3-384 hash: dec2cc8cedc07a34eae08484670866dec4c82a08aecc2113ec2f1f9ce8ac699b531c93b15de0528a9e1c164a1ccf22a7
SHA1 hash: dd0ace288b113a3d449056dcf7a88739753caa3c
MD5 hash: d01941ed745cf321054033f62ab3d6e2
humanhash: monkey-hawaii-video-failed
File name:zerx86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:90'768 bytes
First seen:2025-12-16 00:43:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:XYOtxaomC8eUHUZYz1yNoFJo819lzMwAjpUr6t+8oKE6ZoD:XYOSorTeUZBqO81olOelfnZoD
TLSH T1D1933BD89AA3C6BCF8E9043250F29F794B34FA6E00BAE797DF249571EC54302920575E
telfhash t1b011367d1d721de8fbd0790bb61d47306d2eaab7047072b205f6346136e20424239c3a
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
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.Mirai-9866113-0
Create hunting rule

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

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6940ab32e126b9ff43816fc4/reports/1868f620-f56c-47df-bd30-fd8707686216/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-15T22:33:00Z UTC
Last seen:
2025-12-15T23:50:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b2a499696489970d331eed809cf0ea9df81fce7b5e1e4bb74b6ec258cbca8d72/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/14213a85-749a-492b-b8bd-26d40f9d009c
Behavior Graph:
Download SVG
%3 guuid=10c846b1-1900-0000-1943-c961160c0000 pid=3094 /usr/bin/sudo guuid=6e8bdeb2-1900-0000-1943-c9611d0c0000 pid=3101 /tmp/sample.bin net guuid=10c846b1-1900-0000-1943-c961160c0000 pid=3094->guuid=6e8bdeb2-1900-0000-1943-c9611d0c0000 pid=3101 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6e8bdeb2-1900-0000-1943-c9611d0c0000 pid=3101->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d84a24b3-1900-0000-1943-c9611e0c0000 pid=3102 /tmp/. dns net send-data zombie guuid=6e8bdeb2-1900-0000-1943-c9611d0c0000 pid=3101->guuid=d84a24b3-1900-0000-1943-c9611e0c0000 pid=3102 clone guuid=d84a24b3-1900-0000-1943-c9611e0c0000 pid=3102->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B 8f0f2797-55a0-545b-98c1-6ddeb56a6e82 165.232.127.233:39691 guuid=d84a24b3-1900-0000-1943-c9611e0c0000 pid=3102->8f0f2797-55a0-545b-98c1-6ddeb56a6e82 send: 79B guuid=71ad32b3-1900-0000-1943-c9611f0c0000 pid=3103 /tmp/. guuid=d84a24b3-1900-0000-1943-c9611e0c0000 pid=3102->guuid=71ad32b3-1900-0000-1943-c9611f0c0000 pid=3103 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a0290be-92f7-49ea-9899-f1943de4e51d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1833596
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1833596 Sample: zerx86.elf Startdate: 16/12/2025 Architecture: LINUX Score: 64 20 157.245.79.120, 39691, 41502 DIGITALOCEAN-ASNUS United States 2->20 22 54.217.10.153, 37688, 443 AMAZON-02US United States 2->22 24 2 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 8 zerx86.elf 2->8         started        10 dash rm 2->10         started        12 dash grep 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 zerx86.elf 8->16         started        process6 18 zerx86.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b2a499696489970d331eed809cf0ea9df81fce7b5e1e4bb74b6ec258cbca8d72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2a499696489970d331eed809cf0ea9df81fce7b5e1e4bb74b6ec258cbca8d72/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 00:43:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wksjs2lerglq2my65wajz4hktx4b7tt3lypexn2ln3bfrs6krvza._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Link:
https://tria.ge/reports/251216-a26gssam9s/
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9866113-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/6054cd74-590e-4d92-9b15-9b0be0437f98
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/b2a499696489970d331eed809cf0ea9df81fce7b5e1e4bb74b6ec258cbca8d72

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_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
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

Gafgyt

elf b2a499696489970d331eed809cf0ea9df81fce7b5e1e4bb74b6ec258cbca8d72

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726333/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726336/

Comments