MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2828f2e44beb56316ae42db5d604a2ebdb8edc9bd34c3ac1ab74c6523296fe9a. 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: 10


Intelligence 10 IOCs YARA 13 File information Comments

SHA256 hash: 2828f2e44beb56316ae42db5d604a2ebdb8edc9bd34c3ac1ab74c6523296fe9a
SHA3-384 hash: 3013436d3642f848c05303244c10a94da437123306433688ef0d44157b905d7a7635f6f8e58d749e2319cd9d8225705f
SHA1 hash: 5127bb2bc9df8dca765850d071d0c3e0afeeb938
MD5 hash: 92d939279cd2d5fc856b43f6a0cf9407
humanhash: speaker-mississippi-lamp-minnesota
File name:kvariant.x86
Download: download sample
Signature Mirai
File size:75'688 bytes
First seen:2025-10-19 20:48:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Hybc51oY2gAkxc+mD8f1jn1V/Otk6JS/3ykERpu:HybcToY2HkxchCjX/OtkWSPyk8s
TLSH T1D9735C535190C0FDC5AAC2744FAFA526D673F0AD2125F66E63D46E323E49E302F4E289
telfhash t1cb3148b2352a2880f1cbf535f312e1a11d261e2411d535e6edb2b1f6df563854da5823
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 juroots
Tags:elf gafgyt mirai x86

Intelligence


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

Behaviour
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote threat
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-18T11:13:00Z UTC
Last seen:
2025-10-21T18:33:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.ge HEUR:Exploit.Linux.CVE-2017-17215.a
Status:
terminated
Behavior Graph:
%3 guuid=14dfc1f5-1b00-0000-53e6-97c0a60d0000 pid=3494 /usr/bin/sudo guuid=aa1886f7-1b00-0000-53e6-97c0a70d0000 pid=3495 /tmp/sample.bin guuid=14dfc1f5-1b00-0000-53e6-97c0a60d0000 pid=3494->guuid=aa1886f7-1b00-0000-53e6-97c0a70d0000 pid=3495 execve guuid=8de1a1f7-1b00-0000-53e6-97c0a80d0000 pid=3496 /tmp/sample.bin zombie guuid=aa1886f7-1b00-0000-53e6-97c0a70d0000 pid=3495->guuid=8de1a1f7-1b00-0000-53e6-97c0a80d0000 pid=3496 clone guuid=eb1caaf7-1b00-0000-53e6-97c0a90d0000 pid=3497 /tmp/sample.bin dns net send-data zombie guuid=8de1a1f7-1b00-0000-53e6-97c0a80d0000 pid=3496->guuid=eb1caaf7-1b00-0000-53e6-97c0a90d0000 pid=3497 clone 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=eb1caaf7-1b00-0000-53e6-97c0a90d0000 pid=3497->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 35B 3eea8321-7a1a-53e3-8cc5-fd3fbfba42a6 auth.binaries.lol:41323 guuid=eb1caaf7-1b00-0000-53e6-97c0a90d0000 pid=3497->3eea8321-7a1a-53e3-8cc5-fd3fbfba42a6 send: 11B guuid=8d605d44-1c00-0000-53e6-97c0860e0000 pid=3718 /tmp/sample.bin net net-scan send-data guuid=eb1caaf7-1b00-0000-53e6-97c0a90d0000 pid=3497->guuid=8d605d44-1c00-0000-53e6-97c0860e0000 pid=3718 clone guuid=c2c56344-1c00-0000-53e6-97c0870e0000 pid=3719 /tmp/sample.bin net net-scan send-data guuid=eb1caaf7-1b00-0000-53e6-97c0a90d0000 pid=3497->guuid=c2c56344-1c00-0000-53e6-97c0870e0000 pid=3719 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8d605d44-1c00-0000-53e6-97c0860e0000 pid=3718->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8d605d44-1c00-0000-53e6-97c0860e0000 pid=3718|send-data send-data to 4097 IP addresses review logs to see them all guuid=8d605d44-1c00-0000-53e6-97c0860e0000 pid=3718->guuid=8d605d44-1c00-0000-53e6-97c0860e0000 pid=3718|send-data send guuid=c2c56344-1c00-0000-53e6-97c0870e0000 pid=3719->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con c25c53b7-4522-5394-857b-fd09e4c9a605 134.220.192.212:37215 guuid=c2c56344-1c00-0000-53e6-97c0870e0000 pid=3719->c25c53b7-4522-5394-857b-fd09e4c9a605 send: 40B guuid=c2c56344-1c00-0000-53e6-97c0870e0000 pid=3719|send-data send-data to 4096 IP addresses review logs to see them all guuid=c2c56344-1c00-0000-53e6-97c0870e0000 pid=3719->guuid=c2c56344-1c00-0000-53e6-97c0870e0000 pid=3719|send-data send
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-18 21:03:06 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Changes its process name
Contacts a large (37555) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_e24558e1
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
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: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 2828f2e44beb56316ae42db5d604a2ebdb8edc9bd34c3ac1ab74c6523296fe9a

(this sample)

  
Delivery method
Distributed via web download

Comments