MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c37791c89bc3893f98c7a84c3f58b54911c92bfed0baf8e3bd1a0ed7f11bc91. 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 9 File information Comments

SHA256 hash: 7c37791c89bc3893f98c7a84c3f58b54911c92bfed0baf8e3bd1a0ed7f11bc91
SHA3-384 hash: 8850c71373db0e23e13fa3f2e21d731e24d591a04d1d823f3e387a350efbf47eb8d68232b9df8f4967bae0513ce8b49c
SHA1 hash: 9db5f91c9922b6fe7c9aed94c748fc9f82c84e26
MD5 hash: 249f3c9fe1ad30802525815d7e3dedf9
humanhash: pizza-illinois-island-two
File name:mirai.spc
Download: download sample
Signature Mirai
File size:91'620 bytes
First seen:2025-12-24 07:52:30 UTC
Last seen:2025-12-25 02:53:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:v32F0K46fbSzoCzrLkqnqLRSu6T+F1L01YCFRe+Yk5Qt0D0j:+5Ezf2Uu6Zk+YUn0j
TLSH T121936B22B9796E27C0E0A87F21F38321F2F1574E25A8C61E7D720E4EFF2565026576B1
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
botnet masquerade mirai mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-24T05:50:00Z UTC
Last seen:
2025-12-24T06:23:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.n HEUR:Backdoor.Linux.Mirai.hw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.x
Status:
terminated
Behavior Graph:
%3 guuid=58862ccb-1800-0000-b64a-3bc4650e0000 pid=3685 /usr/bin/sudo guuid=ecfd13cd-1800-0000-b64a-3bc46b0e0000 pid=3691 /tmp/sample.bin guuid=58862ccb-1800-0000-b64a-3bc4650e0000 pid=3685->guuid=ecfd13cd-1800-0000-b64a-3bc46b0e0000 pid=3691 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838702 Sample: mirai.spc.elf Startdate: 24/12/2025 Architecture: LINUX Score: 96 25 98.16.12.101, 23 WINDSTREAMUS United States 2->25 27 188.219.143.17, 23 VODAFONE-IT-ASNIT Italy 2->27 29 98 other IPs or domains 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Mirai 2->37 8 mirai.spc.elf 2->8         started        signatures3 process4 signatures5 39 Sample deletes itself 8->39 11 mirai.spc.elf 8->11         started        process6 file7 19 /usr/bin/wget, POSIX 11->19 dropped 21 /usr/bin/tftp, POSIX 11->21 dropped 23 /usr/bin/curl, POSIX 11->23 dropped 41 Drops files in suspicious directories 11->41 15 mirai.spc.elf 11->15         started        17 mirai.spc.elf 11->17         started        signatures8 process9
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-24 07:53:14 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai linux
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware Linux_Trojan_Mirai_0bce98a2
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_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 7c37791c89bc3893f98c7a84c3f58b54911c92bfed0baf8e3bd1a0ed7f11bc91

(this sample)

  
Delivery method
Distributed via web download

Comments