MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a990e69b5d4fc2e544dd47edbdfeb7f592fdf0e3584b3c4e394e6446dd6bba98. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a990e69b5d4fc2e544dd47edbdfeb7f592fdf0e3584b3c4e394e6446dd6bba98
SHA3-384 hash: dfd48f691ae1301b9970caaa76a31b26e00c0268ed4bc1c4591de55e2f69fed6e6a00c0bfee6bf5db097c58e366e2d5b
SHA1 hash: 052c0b3ceb55bdc93c1b0d0ba1193c59875c988f
MD5 hash: 31557ee9486122acad174a7c0ca3ab24
humanhash: kilo-delta-butter-september
File name:monero.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:116'032 bytes
First seen:2026-06-19 14:57:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6/8edpyXxAHsTKWYUwEqdPZ394JeE5/f1swW3q/1Sl4GY69Z90ZmUrO8:6TeXEhPZt4bsh6M4GY69Z90pO8
TLSH T15DB34A02B6D194FDC1EAC474872FE427DA31789802313A6F7B88BE312E75E71166EB51
telfhash t1a13186f9a892b46c62c3d355b742dda9c4b21d5320e03af6977b7df09e11bc80d52493
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 09cd9e6984b8bfa9155b4abbc05cadfae4b2eaf6e98c7b39dd20ec3551da72ee
File size (compressed) :58'724 bytes
File size (de-compressed) :116'032 bytes
Format:linux/amd64
Packed file: 09cd9e6984b8bfa9155b4abbc05cadfae4b2eaf6e98c7b39dd20ec3551da72ee

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7135897-0
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Opens a port
Changes access rights for a written file
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Kills processes
Manages services
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 expand gcc lolbin
Link:
https://www.filescan.io/uploads/6a35591690632a45f72d724c/reports/5683c279-203a-406e-aeab-1207a7c4d949/overview
Verdict:
Unknown
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/a990e69b5d4fc2e544dd47edbdfeb7f592fdf0e3584b3c4e394e6446dd6bba98/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fcdf5cc8-2bdb-4e50-8db4-e68de99ce529
Behavior Graph:
Download SVG
%3 guuid=fd5ed4dc-1900-0000-1555-af107c130000 pid=4988 /usr/bin/sudo guuid=f38cc1de-1900-0000-1555-af1086130000 pid=4998 /tmp/sample.bin net write-file guuid=fd5ed4dc-1900-0000-1555-af107c130000 pid=4988->guuid=f38cc1de-1900-0000-1555-af1086130000 pid=4998 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f38cc1de-1900-0000-1555-af1086130000 pid=4998->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9d17eade-1900-0000-1555-af1088130000 pid=5000 /tmp/sample.bin zombie guuid=f38cc1de-1900-0000-1555-af1086130000 pid=4998->guuid=9d17eade-1900-0000-1555-af1088130000 pid=5000 clone guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001 /tmp/sample.bin net send-data write-config write-file guuid=9d17eade-1900-0000-1555-af1088130000 pid=5000->guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001 clone guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con e42e6717-e641-5153-90e8-6cbbd5e49248 31.56.209.84:6767 guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001->e42e6717-e641-5153-90e8-6cbbd5e49248 send: 602B a0528efd-1018-56b4-b518-221acb0fa7ca 9.9.9.9:53 guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001->a0528efd-1018-56b4-b518-221acb0fa7ca send: 43B guuid=34f601df-1900-0000-1555-af108a130000 pid=5002 /tmp/sample.bin guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001->guuid=34f601df-1900-0000-1555-af108a130000 pid=5002 clone guuid=199d07df-1900-0000-1555-af108b130000 pid=5003 /tmp/sample.bin guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001->guuid=199d07df-1900-0000-1555-af108b130000 pid=5003 clone guuid=fc3bafdf-1900-0000-1555-af1090130000 pid=5008 /usr/bin/systemctl guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001->guuid=fc3bafdf-1900-0000-1555-af1090130000 pid=5008 execve guuid=f552fc56-1a00-0000-1555-af1052140000 pid=5202 /usr/bin/systemctl guuid=938bf4de-1900-0000-1555-af1089130000 pid=5001->guuid=f552fc56-1a00-0000-1555-af1052140000 pid=5202 execve guuid=0ee81bdf-1900-0000-1555-af108c130000 pid=5004 /tmp/sample.bin guuid=199d07df-1900-0000-1555-af108b130000 pid=5003->guuid=0ee81bdf-1900-0000-1555-af108c130000 pid=5004 clone
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a990e69b5d4fc2e544dd47edbdfeb7f592fdf0e3584b3c4e394e6446dd6bba98
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a990e69b5d4fc2e544dd47edbdfeb7f592fdf0e3584b3c4e394e6446dd6bba98/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-19 14:58:29 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgiong25j7bokrg5i7w337vx6wjp34hdlbftytrzjzsenxllxkma._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260619-sccsasgz8j/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Modifies systemd
Write file to user bin folder
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a990e69b5d4f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/a990e69b5d4fc2e544dd47edbdfeb7f592fdf0e3584b3c4e394e6446dd6bba98

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:test_rule_vldslv
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 09cd9e6984b8bfa9155b4abbc05cadfae4b2eaf6e98c7b39dd20ec3551da72ee

Mirai

elf a990e69b5d4fc2e544dd47edbdfeb7f592fdf0e3584b3c4e394e6446dd6bba98

(this sample)

  
Dropped by
SHA256 09cd9e6984b8bfa9155b4abbc05cadfae4b2eaf6e98c7b39dd20ec3551da72ee
  
Dropped by
MD5 cf56769bed0ab640eac21b31f028dbec
  
URLhaus
https://urlhaus.abuse.ch/url/3867615/
  
Delivery method
Distributed via web download

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