MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b56a021277bb2c19a1eaa4ed30cedcbae44dedccb396b3879406e980db91274f. 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: 12


Intelligence 12 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b56a021277bb2c19a1eaa4ed30cedcbae44dedccb396b3879406e980db91274f
SHA3-384 hash: f4578a42e00982b78ab645872930c0b88a3cffd05dff1b5d2932abe7c3502c2652fccfb998afc610f84b3a3e41aaba79
SHA1 hash: 46dcbd8b4d9a1219a1469dd60f6f963ff828ba4e
MD5 hash: dd9d29e08d3d1ca0fe8b4ec90d27e86c
humanhash: early-nevada-network-tango
File name:sumrak.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:142'088 bytes
First seen:2025-12-20 16:57:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:JLFBt2DzVKrHOU01dcUc99VARc6KQYTWNdYHVY:pS8Vq69VBAdYHV
TLSH T1B0D34C07B4C098FDC8E9C1788BFEA12AD972F56E5238721F17C4AE261E4DE605F6D610
telfhash t16a519a703aa538c471f7ab76734ad2648c711a3254e131d2ddb26ce6de12b820daa0b7
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 mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 5d763d962556094f1524a6e3202365c6d7611c4988772e5f26f136cd19becdc2
File size (compressed) :53'584 bytes
File size (de-compressed) :142'088 bytes
Format:linux/amd64
Packed file: 5d763d962556094f1524a6e3202365c6d7611c4988772e5f26f136cd19becdc2

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/1d5f3a59-e153-4459-bce3-53760a1e40ec/
Detection(s):
Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-20T15:10:00Z UTC
Last seen:
2025-12-21T02:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b56a021277bb2c19a1eaa4ed30cedcbae44dedccb396b3879406e980db91274f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6fe1e844-7e1c-4eb4-89ca-2afc3fd9506d
Behavior Graph:
Download SVG
%3 guuid=31f28d73-1800-0000-76c9-3705aa050000 pid=1450 /usr/bin/sudo guuid=fde03a76-1800-0000-76c9-3705af050000 pid=1455 /tmp/sample.bin net guuid=31f28d73-1800-0000-76c9-3705aa050000 pid=1450->guuid=fde03a76-1800-0000-76c9-3705af050000 pid=1455 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=fde03a76-1800-0000-76c9-3705af050000 pid=1455->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=eb2e6576-1800-0000-76c9-3705b0050000 pid=1456 /tmp/sample.bin zombie guuid=fde03a76-1800-0000-76c9-3705af050000 pid=1455->guuid=eb2e6576-1800-0000-76c9-3705b0050000 pid=1456 clone guuid=a99e7b76-1800-0000-76c9-3705b2050000 pid=1458 /tmp/sample.bin zombie guuid=fde03a76-1800-0000-76c9-3705af050000 pid=1455->guuid=a99e7b76-1800-0000-76c9-3705b2050000 pid=1458 clone guuid=7ce08076-1800-0000-76c9-3705b3050000 pid=1459 /tmp/sample.bin net send-data zombie guuid=fde03a76-1800-0000-76c9-3705af050000 pid=1455->guuid=7ce08076-1800-0000-76c9-3705b3050000 pid=1459 clone guuid=7ce08076-1800-0000-76c9-3705b3050000 pid=1459->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 6081b4f2-a8f4-54a6-ad7c-2654ee0f2625 141.98.10.91:19000 guuid=7ce08076-1800-0000-76c9-3705b3050000 pid=1459->6081b4f2-a8f4-54a6-ad7c-2654ee0f2625 send: 285B guuid=38a5a576-1800-0000-76c9-3705b4050000 pid=1460 /tmp/sample.bin guuid=7ce08076-1800-0000-76c9-3705b3050000 pid=1459->guuid=38a5a576-1800-0000-76c9-3705b4050000 pid=1460 clone guuid=fb7ba976-1800-0000-76c9-3705b5050000 pid=1461 /tmp/sample.bin guuid=7ce08076-1800-0000-76c9-3705b3050000 pid=1459->guuid=fb7ba976-1800-0000-76c9-3705b5050000 pid=1461 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc2ba31d-249d-4b59-930a-008d863862c5
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1836779
Signature
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: 1836779 Sample: sumrak.x86_64.elf Startdate: 20/12/2025 Architecture: LINUX Score: 56 20 141.98.10.91, 19000, 35672, 35674 HOSTBALTICLT Lithuania 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 sumrak.x86_64.elf 2->8         started        signatures3 process4 process5 10 sumrak.x86_64.elf 8->10         started        12 sumrak.x86_64.elf 8->12         started        14 sumrak.x86_64.elf 8->14         started        process6 16 sumrak.x86_64.elf 10->16         started        18 sumrak.x86_64.elf 10->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b56a021277bb2c19a1eaa4ed30cedcbae44dedccb396b3879406e980db91274f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b56a021277bb2c19a1eaa4ed30cedcbae44dedccb396b3879406e980db91274f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 16:58:34 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvvaeetxxmwbtipkutwtbtw4xlse33omwollhb4ua3uybw4re5hq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unst defense_evasion discovery linux
Link:
https://tria.ge/reports/251220-vg3wdswqbm/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
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 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728
Link:
https://app.threat.zone/submission/d1e22edd-8903-4b93-91e1-1784ca0e7fa5
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b56a021277bb/report/overview.html
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/b56a021277bb2c19a1eaa4ed30cedcbae44dedccb396b3879406e980db91274f

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
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

Mirai

elf 5d763d962556094f1524a6e3202365c6d7611c4988772e5f26f136cd19becdc2

Mirai

elf b56a021277bb2c19a1eaa4ed30cedcbae44dedccb396b3879406e980db91274f

(this sample)

  
Dropped by
SHA256 5d763d962556094f1524a6e3202365c6d7611c4988772e5f26f136cd19becdc2
  
URLhaus
https://urlhaus.abuse.ch/url/3738069/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3738080/
  
URLhaus
https://urlhaus.abuse.ch/url/3738093/
  
URLhaus
https://urlhaus.abuse.ch/url/3738113/
  
Dropped by
MD5 a091d81a8ed2ea1f27cf8bf1dd7c74df

Comments