MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfa78bf342f1c5c6daa29a1170611d2e7cc2d03c88859b59de6192905212a70d. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: bfa78bf342f1c5c6daa29a1170611d2e7cc2d03c88859b59de6192905212a70d
SHA3-384 hash: 00fa07b1939eb66aee0a5a2359233dc3a931e604f765fcc306cf2b905fa002bc1dbbaf3b4bcedfd476b92607c4135490
SHA1 hash: dcff0fd9bc36ead0014198c54dadea4594d7172f
MD5 hash: 6de3c7c7d3100c4fd172f37e1f24bacf
humanhash: spaghetti-speaker-nitrogen-grey
File name:shadow.i586
Download: download sample
Signature Mirai
File size:67'236 bytes
First seen:2026-01-12 10:42:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:aoewCGVcccyapvSq/7gCHieXMzXtJLXDZfxR:ayVcc3apvSq/UCHieXM7tdzNP
TLSH T1C9634BC5AA03DAF0DC2D9130D0ABFF3E46BBB57E0019D98FC7958571E463B02A65629C
telfhash t15f11b2f71f6e4cec67c46800c25a5e506a6da77b1a2022e31533587835afe42607fc3d
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=b7db0d09-1a00-0000-9f8d-8656e7090000 pid=2535 /usr/bin/sudo guuid=282a0f0b-1a00-0000-9f8d-8656ee090000 pid=2542 /tmp/sample.bin delete-file net guuid=b7db0d09-1a00-0000-9f8d-8656e7090000 pid=2535->guuid=282a0f0b-1a00-0000-9f8d-8656ee090000 pid=2542 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=282a0f0b-1a00-0000-9f8d-8656ee090000 pid=2542->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8f7c9b0b-1a00-0000-9f8d-8656f0090000 pid=2544 /tmp/sample.bin write-file zombie guuid=282a0f0b-1a00-0000-9f8d-8656ee090000 pid=2542->guuid=8f7c9b0b-1a00-0000-9f8d-8656f0090000 pid=2544 clone guuid=a8d5b70b-1a00-0000-9f8d-8656f1090000 pid=2545 /tmp/sample.bin dns net send-data guuid=8f7c9b0b-1a00-0000-9f8d-8656f0090000 pid=2544->guuid=a8d5b70b-1a00-0000-9f8d-8656f1090000 pid=2545 clone guuid=a8d5b70b-1a00-0000-9f8d-8656f1090000 pid=2545->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 52B 6a6ce952-23cd-5c51-b461-6ca6a8c64225 1.0.0.1:53 guuid=a8d5b70b-1a00-0000-9f8d-8656f1090000 pid=2545->6a6ce952-23cd-5c51-b461-6ca6a8c64225 send: 31B b4bf20d4-f7c8-5c24-8830-c23364537aa4 8.8.4.4:53 guuid=a8d5b70b-1a00-0000-9f8d-8656f1090000 pid=2545->b4bf20d4-f7c8-5c24-8830-c23364537aa4 send: 21B 76d02936-7625-5c69-b2da-b56efe57787d 85.190.96.149:6767 guuid=a8d5b70b-1a00-0000-9f8d-8656f1090000 pid=2545->76d02936-7625-5c69-b2da-b56efe57787d send: 11B guuid=beb3c70b-1a00-0000-9f8d-8656f2090000 pid=2546 /tmp/sample.bin guuid=a8d5b70b-1a00-0000-9f8d-8656f1090000 pid=2545->guuid=beb3c70b-1a00-0000-9f8d-8656f2090000 pid=2546 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Sends malformed DNS queries
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848939 Sample: shadow.i586.elf Startdate: 12/01/2026 Architecture: LINUX Score: 68 18 85.190.96.149 2->18 20 H. [malformed] 2->20 22 85.190.96.149, 33310, 6767 BLADEFR Netherlands 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 9 shadow.i586.elf 2->9         started        signatures3 28 Performs DNS TXT record lookups 18->28 30 Sends malformed DNS queries 20->30 process4 signatures5 32 Sample deletes itself 9->32 12 shadow.i586.elf 9->12         started        process6 process7 14 shadow.i586.elf 12->14         started        process8 16 shadow.i586.elf 14->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-12 10:32:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-1
YARA:
Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 bfa78bf342f1c5c6daa29a1170611d2e7cc2d03c88859b59de6192905212a70d

(this sample)

  
Delivery method
Distributed via web download

Comments