MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4777ac5dce05765c9f3e1537aab16d70868619209597356beddbaf09a310971f. 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 18 File information Comments

SHA256 hash: 4777ac5dce05765c9f3e1537aab16d70868619209597356beddbaf09a310971f
SHA3-384 hash: fcd206e5d77ef74e768973e29981558b5db87725ecfa6b45f50d1eefcecc638f84ac3d58115ceabd596ee2e6a7850aa5
SHA1 hash: e964ee422208c97dac74de626e2b87f8c3ea2ba6
MD5 hash: 1596f880a000c98d8417693bc7b3f2fd
humanhash: cardinal-maryland-ink-papa
File name:debug
Download: download sample
Signature Mirai
File size:107'796 bytes
First seen:2025-11-15 01:42:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:btRmink4F+GkruClejzdo3gBs4dZpCiBT:btRmMk4kGCrd4dZpCiBT
TLSH T1EAB36CC9F643D0F9EC5705342136FB37AE72E4BE1228DA93D3A49A727C22641C456ADC
telfhash t18031b1fab2664cd85bd09c07a58e5b30bd0e2bb761203aa30af75934366711591bbc39
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 0b92b5b5cc75b75530bb73ba67b46be9b99b2f0cb9aee486020f0c784bff1626
File size (compressed) :48'052 bytes
File size (de-compressed) :107'796 bytes
Format:linux/i386
Packed file: 0b92b5b5cc75b75530bb73ba67b46be9b99b2f0cb9aee486020f0c784bff1626

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
DNS request
Opens a port
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-14T22:48:00Z UTC
Last seen:
2025-11-15T01:01:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=b0bd7265-1900-0000-874a-901bc30f0000 pid=4035 /usr/bin/sudo guuid=c12ede67-1900-0000-874a-901bc70f0000 pid=4039 /tmp/sample.bin net send-data guuid=b0bd7265-1900-0000-874a-901bc30f0000 pid=4035->guuid=c12ede67-1900-0000-874a-901bc70f0000 pid=4039 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c12ede67-1900-0000-874a-901bc70f0000 pid=4039->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 900B cf3062e1-a511-5898-b42a-5b1904194015 vmr3b.bounceme.net:80 guuid=c12ede67-1900-0000-874a-901bc70f0000 pid=4039->cf3062e1-a511-5898-b42a-5b1904194015 send: 4B guuid=f10003a4-1900-0000-874a-901b72100000 pid=4210 /tmp/sample.bin dns net send-data guuid=c12ede67-1900-0000-874a-901bc70f0000 pid=4039->guuid=f10003a4-1900-0000-874a-901b72100000 pid=4210 clone guuid=ec94a4d0-1a00-0000-874a-901b3c130000 pid=4924 /tmp/sample.bin guuid=c12ede67-1900-0000-874a-901bc70f0000 pid=4039->guuid=ec94a4d0-1a00-0000-874a-901b3c130000 pid=4924 clone guuid=f10003a4-1900-0000-874a-901b72100000 pid=4210->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 252B 523b0464-0fb8-5b09-bcd5-9d712137b22c vmr3b.bounceme.net:12121 guuid=f10003a4-1900-0000-874a-901b72100000 pid=4210->523b0464-0fb8-5b09-bcd5-9d712137b22c send: 10B guuid=d76b11a4-1900-0000-874a-901b73100000 pid=4211 /tmp/sample.bin guuid=f10003a4-1900-0000-874a-901b72100000 pid=4210->guuid=d76b11a4-1900-0000-874a-901b73100000 pid=4211 clone
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814537 Sample: debug.elf Startdate: 15/11/2025 Architecture: LINUX Score: 72 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 debug.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 debug.elf 8->16         started        18 debug.elf 8->18         started        process6 20 debug.elf 16->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-15 01:43:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
vmr3b.bounceme.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
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_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
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 4777ac5dce05765c9f3e1537aab16d70868619209597356beddbaf09a310971f

(this sample)

  
Delivery method
Distributed via web download

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