MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04836eb5ae02af23228dce6fcf4bc89e260a06564dcfd05aa2eb0706e71d9394. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04836eb5ae02af23228dce6fcf4bc89e260a06564dcfd05aa2eb0706e71d9394
SHA3-384 hash: 20f57bb1f0c82a976685c614e6caf1dddde8031f9521fe5aab66a030b09cfb74e778552c2fb3c272874d573cf4596558
SHA1 hash: a1d475aa15f332af0d1ce08a6aa6ba90fb3be8e4
MD5 hash: 8c6e6f70da716a8667c5da24b8c6a93b
humanhash: london-tennis-lactose-quebec
File name:a-r.m-6.Sakura
Download: download sample
Signature Gafgyt
Create hunting rule
File size:297'832 bytes
First seen:2025-06-28 16:24:44 UTC
Last seen:2025-06-29 06:05:26 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:/vTr/EZfhf5qMOyoaAasl2/8j1yhFFSx5w+twifIDxLC6Wm+litZE0Lh9iSG6:/3/iJRDAasNuFFa5w+tw7w6Wm+lity0J
TLSH T1E6542A05E9504F2BC7D167BAFB5A42CE72371BE897DB32328D245EB027C1B49263D960
telfhash t1ea51c622d9bace3e67a349689c7d5bf10166521272723d70bf39c0c4957b00aa924d9f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30420.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32134.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
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Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981163-0
Create hunting rule

Unix.Trojan.Gafgyt-6981165-0
Create hunting rule

Unix.Trojan.Mirai-6981169-0
Create hunting rule

Unix.Dropper.Mirai-7135935-0
Create hunting rule

Unix.Dropper.Mirai-7135940-0
Create hunting rule

Unix.Dropper.Mirai-7135945-0
Create hunting rule

Unix.Dropper.Mirai-7135968-0
Create hunting rule

Unix.Dropper.Mirai-7136011-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7136105-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7489238-0
Create hunting rule

Unix.Trojan.Mirai-7582945-0
Create hunting rule

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

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Gafgyt-9396656-0
Create hunting rule

Unix.Dropper.Gafgyt-9762292-0
Create hunting rule

Unix.Trojan.Gafgyt-9762295-0
Create hunting rule

Unix.Trojan.Mirai-9847812-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Trojan.Gafgyt-9879277-0
Create hunting rule

Unix.Trojan.Mirai-9917488-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6860184e0fceda814b469b03linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Connection attempt
Manages services
Kills processes
Sets a written file as executable
Launching a process
Collects information on the CPU
Changes the time when the file was created, accessed, or modified
Writes files to system directory
Replaces system binary files
Deletes a system binary file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
405
Number of processes launched:
123
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/04836eb5ae02af23228dce6fcf4bc89e260a06564dcfd05aa2eb0706e71d9394
Behaviour
Anti-VM
Persistence
Process Renaming
Firewall Changes
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1b6f795e-962e-4595-92f5-6a5158d71b6f
Behavior Graph:
Download SVG
%3 guuid=8d4adea2-1900-0000-68fd-d707b1090000 pid=2481 /usr/bin/sudo guuid=202985a5-1900-0000-68fd-d707b7090000 pid=2487 /tmp/sample.bin guuid=8d4adea2-1900-0000-68fd-d707b1090000 pid=2481->guuid=202985a5-1900-0000-68fd-d707b7090000 pid=2487 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8cc63d41-dfd2-4726-b716-980caeb525bc
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1724742
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains symbols with names commonly found in malware
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Protects files from modification
Sample deletes itself
Sample is potentially a Mirai botnet sample
Uses dynamic DNS services
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1724742 Sample: a-r.m-6.Sakura.elf Startdate: 28/06/2025 Architecture: LINUX Score: 100 46 rootsec.duckdns.org 2->46 48 lunluo.duckdns.org 2->48 50 3 other IPs or domains 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 60 5 other signatures 2->60 8 a-r.m-6.Sakura.elf 2->8         started        signatures3 58 Uses dynamic DNS services 48->58 process4 file5 40 /usr/lib/.w9XF0DS3, ELF 8->40 dropped 42 /root/.bashrc, ASCII 8->42 dropped 44 /root/.bash_profile, ASCII 8->44 dropped 70 Drops invisible ELF files 8->70 72 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 8->72 74 Opens /proc/net/* files useful for finding connected devices and routers 8->74 12 a-r.m-6.Sakura.elf sh 8->12         started        14 a-r.m-6.Sakura.elf sh 8->14         started        16 a-r.m-6.Sakura.elf sh 8->16         started        18 64 other processes 8->18 signatures6 process7 process8 20 sh cp 12->20         started        24 sh cp 14->24         started        26 sh cp 16->26         started        28 sh dd 18->28         started        30 sh dd 18->30         started        32 sh dd 18->32         started        34 59 other processes 18->34 file9 36 /usr/sbin/init, ELF 20->36 dropped 62 Writes identical ELF files to multiple locations 20->62 64 Drops files in suspicious directories 20->64 38 /usr/bin/systemctl, ELF 26->38 dropped 66 Protects files from modification 34->66 68 Sample deletes itself 34->68 signatures10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/04836eb5ae02af23228dce6fcf4bc89e260a06564dcfd05aa2eb0706e71d9394
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04836eb5ae02af23228dce6fcf4bc89e260a06564dcfd05aa2eb0706e71d9394/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-28 16:25:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=asbw5nnoakxsgiunzzx46s6itytaubswjxh5awvc5mdqnzy5soka._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet credential_access defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250628-txem3axwew/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Reads system network configuration
Modifies Bash startup script
Creates/modifies environment variables
Enumerates running processes
Modifies systemd
Reads system routing table
Write file to user bin folder
Writes file to system bin folder
File and Directory Permissions Modification
Modifies Watchdog functionality
OS Credential Dumping
Unexpected DNS network traffic destination
Writes DNS configuration
Detected Gafgyt variant
Gafgyt family
Gafgyt/Bashlite
Malware Config
C2 Extraction:
239.255.255.250:1900
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_6ae4b580 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/64ddf700-d754-4bf1-b0fe-6aab4a23e057
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/04836eb5ae02af23228dce6fcf4bc89e260a06564dcfd05aa2eb0706e71d9394

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6ae4b580
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:NET
Create hunting rule
Author:malware-lu
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 04836eb5ae02af23228dce6fcf4bc89e260a06564dcfd05aa2eb0706e71d9394

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3571106/
  
Delivery method
Distributed via web download

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