MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37040becf8aa5878cf183ad4dc8adb408175628c59b5828cd5b9d3cc99a60b85. 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



Mirai


Vendor detections: 11


Intelligence 11 IOCs YARA 30 File information Comments

SHA256 hash: 37040becf8aa5878cf183ad4dc8adb408175628c59b5828cd5b9d3cc99a60b85
SHA3-384 hash: 73ebef49683037bc71a8e97f58c9b2483ad7ff529dc3ccd2340d0a8a0af7af59a90d1c89d3869b3fe78902526341f4b8
SHA1 hash: 9dd798ae5f96eb7bff09c854c02b8e24ae6cd9a4
MD5 hash: 73fb31a448b29f1570d7ca155d4bf3a0
humanhash: oranges-white-wisconsin-seven
File name:ssh
Download: download sample
Signature Mirai
File size:142'882 bytes
First seen:2025-10-16 05:28:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:cLjehkC+TcyfTEe18GC9hyOjIohFGhnvrRGeGCC74DcBSPj5bvJz:ctpDw9fUoSvrNGCC74DcBSPj5bvp
TLSH T1A5D31927B2D18EFAC09657F126EB95A1E822FC3D0B32710B77947D652F3D9C42A1D211
telfhash t1794186129e7897241fe3a924ecbd86734622572353256e72af3ac0cd54210a4e539d4f
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Collects information on the CPU
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-16T03:43:00Z UTC
Last seen:
2025-10-16T07:14:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=4b007103-1900-0000-59e9-4c11b9120000 pid=4793 /usr/bin/sudo guuid=8b4a8306-1900-0000-59e9-4c11c3120000 pid=4803 /tmp/sample.bin net guuid=4b007103-1900-0000-59e9-4c11b9120000 pid=4793->guuid=8b4a8306-1900-0000-59e9-4c11c3120000 pid=4803 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8b4a8306-1900-0000-59e9-4c11c3120000 pid=4803->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b93acf06-1900-0000-59e9-4c11c5120000 pid=4805 /tmp/sample.bin zombie guuid=8b4a8306-1900-0000-59e9-4c11c3120000 pid=4803->guuid=b93acf06-1900-0000-59e9-4c11c5120000 pid=4805 clone guuid=462cd706-1900-0000-59e9-4c11c6120000 pid=4806 /tmp/sample.bin guuid=8b4a8306-1900-0000-59e9-4c11c3120000 pid=4803->guuid=462cd706-1900-0000-59e9-4c11c6120000 pid=4806 clone guuid=c462de06-1900-0000-59e9-4c11c7120000 pid=4807 /tmp/sample.bin guuid=8b4a8306-1900-0000-59e9-4c11c3120000 pid=4803->guuid=c462de06-1900-0000-59e9-4c11c7120000 pid=4807 clone guuid=6c4de106-1900-0000-59e9-4c11c8120000 pid=4808 /tmp/sample.bin net send-data zombie guuid=c462de06-1900-0000-59e9-4c11c7120000 pid=4807->guuid=6c4de106-1900-0000-59e9-4c11c8120000 pid=4808 clone 6f711740-a9cc-5716-b8b7-a732833df8c0 176.65.139.133:65481 guuid=6c4de106-1900-0000-59e9-4c11c8120000 pid=4808->6f711740-a9cc-5716-b8b7-a732833df8c0 send: 9B
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Opens /proc/net/* files useful for finding connected devices and routers
Suricata IDS alerts for network traffic
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796239 Sample: ssh.elf Startdate: 16/10/2025 Architecture: LINUX Score: 88 49 176.65.139.133, 47038, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 other IPs or domains 2->53 57 Suricata IDS alerts for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 3 other signatures 2->63 9 ssh.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 signatures5 65 Opens /proc/net/* files useful for finding connected devices and routers 9->65 18 ssh.elf 9->18         started        20 ssh.elf 9->20         started        22 ssh.elf 9->22         started        process6 process7 24 ssh.elf sh 18->24         started        26 ssh.elf sh 18->26         started        28 ssh.elf sh 18->28         started        32 5 other processes 18->32 30 ssh.elf 20->30         started        process8 34 sh killall 24->34         started        37 sh killall 26->37         started        39 sh killall 28->39         started        41 sh killall 32->41         started        43 sh killall 32->43         started        45 sh killall 32->45         started        47 2 other processes 32->47 signatures9 55 Terminates several processes with shell command 'killall' 34->55
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-10-16 05:42:23 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery linux
Behaviour
Changes its process name
Checks CPU configuration
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_46eec778 Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_862c4e0e Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_3fe3c668 Linux_Trojan_Mirai_637f2c04
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_09c3070e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_46eec778
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_862c4e0e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a0a4de11
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_dd0d6173
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3fe3c668
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_637f2c04
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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

Mirai

elf 37040becf8aa5878cf183ad4dc8adb408175628c59b5828cd5b9d3cc99a60b85

(this sample)

  
Delivery method
Distributed via web download

Comments