MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40c2ddf82d6971e342c1fe50767ad660ee38880001d13e6d44a67c00cca2b21e. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40c2ddf82d6971e342c1fe50767ad660ee38880001d13e6d44a67c00cca2b21e
SHA3-384 hash: 90cf4bbd13a4f369a55f377e5694871233506ffd9cc28586e6dd4a5fca9a22f1299a8ba1a3677caa00c8208868fb5529
SHA1 hash: 5cd4228ffa0177c046ea14142adb75f55eb6020e
MD5 hash: 2b9ca6923bd988c8fb565d0f4a90bf51
humanhash: kilo-nebraska-texas-helium
File name:armv5l
Download: download sample
Signature Gafgyt
Create hunting rule
File size:339'122 bytes
First seen:2025-07-11 11:02:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:80hQtfXND6PBfysPkgVKwjoCz2bapUggWmE/L7Q/kWGfgoNb:VqEPpXxgwjoc2bCmE/L7Q/kWGfgoNb
TLSH T1EF74A623D8154595D1614CF322673389AD0B87BF89E732D3EE2A59A0BF2051F52BEEC1
telfhash t176319c61903556182fb3da28acbd56b316222b1353583f715f26c0cc04370e2ea39d5f
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 :
16
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

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

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

Unix.Dropper.Mirai-7135944-0
Create hunting rule

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

Unix.Dropper.Mirai-7136018-0
Create hunting rule

Unix.Dropper.Mirai-7136031-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8041683-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10034904-0
Create hunting rule

Unix.Trojan.Mirai-10035004-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6870ef74900df8e7f869d288linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer gcc lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6870ef7580b46be06e9fc3a5/reports/fa91d2e3-e7d6-43a3-a7b3-dbbb653432e9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/40c2ddf82d6971e342c1fe50767ad660ee38880001d13e6d44a67c00cca2b21e
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 213.232.114.169:180
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7d08fe5b-cf3e-470c-a772-75859a391b62
Behavior Graph:
Download SVG
%3 guuid=7e7fcde0-1a00-0000-3c26-1f15df0a0000 pid=2783 /usr/bin/sudo guuid=a1511ae3-1a00-0000-3c26-1f15e60a0000 pid=2790 /tmp/sample.bin guuid=7e7fcde0-1a00-0000-3c26-1f15df0a0000 pid=2783->guuid=a1511ae3-1a00-0000-3c26-1f15e60a0000 pid=2790 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/250897a1-d721-4fd5-afa6-cd146af36791
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1733738
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733738 Sample: armv5l.elf Startdate: 11/07/2025 Architecture: LINUX Score: 92 19 213.232.114.169, 180, 53562, 53564 ASN-QUADRANET-GLOBALUS Netherlands 2->19 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 daisy.ubuntu.com 2->23 25 Suricata IDS alerts for network traffic 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 3 other signatures 2->31 8 armv5l.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 33 Opens /proc/net/* files useful for finding connected devices and routers 8->33 13 armv5l.elf 8->13         started        15 armv5l.elf 8->15         started        process6 process7 17 armv5l.elf 13->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40c2ddf82d6971e342c1fe50767ad660ee38880001d13e6d44a67c00cca2b21e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40c2ddf82d6971e342c1fe50767ad660ee38880001d13e6d44a67c00cca2b21e/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 11:03:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idbn36bnnfy6gqwb7zihm6wwmdxdrcaaahit43keuz6abtfcwipa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Link:
https://tria.ge/reports/250711-m5r5sstxh1/
Behaviour
Changes its process name
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Trojan.Mirai-6981169-0
YARA:
botnet_dedsec botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/d095a414-f73f-407c-900c-5589cb73db84
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/40c2ddf82d6971e342c1fe50767ad660ee38880001d13e6d44a67c00cca2b21e

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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_dedsec
Create hunting rule
Author:NDA0E
Description:dedsec 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:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:ScanStringsInsocks5systemz
Create hunting rule
Author:Byambaa@pubcert.mn
Description:Scans presence of the found strings using the in-house brute force method
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 40c2ddf82d6971e342c1fe50767ad660ee38880001d13e6d44a67c00cca2b21e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3579953/
  
Delivery method
Distributed via web download

Comments