MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fb08bd457c3ea9f88b8bb4eb3c4f3ba93c1d028b4debae218d12f1bc150a02e. 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 4 File information Comments

SHA256 hash: 4fb08bd457c3ea9f88b8bb4eb3c4f3ba93c1d028b4debae218d12f1bc150a02e
SHA3-384 hash: 0e02bf7e3a81a1a537dffae5950be4ab40c1b5ad6a3311acdb1a8f19da945bcdf613e24fe6cbae0d33825b1c7902b1c2
SHA1 hash: b37bae3e93278a03d7cddcaaf1100cf4a425ad26
MD5 hash: 81d2d348dbc642e91a659ab06b73f5c4
humanhash: failed-xray-neptune-twelve
File name:arm5
Download: download sample
Signature Mirai
File size:88'172 bytes
First seen:2025-12-27 20:27:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZoOaIlDP8hLOKb9rOUUMboMYX+IyW81XmuXQ7NBq/k+2IymQY2AUm6hh1Nmyi:ZoOaIlDk85/yckS86hh1Nmyi
TLSH T1DB833A82BC91896EC6D413BAB67E268C3392B3B6C2CFB217DC159B5037C551F0D67A90
telfhash t177f0c941fe79cb0988e70a34dcac47a58153a237a0229b21ef48dee0883f008f21cd5a
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 4df87639e03ac655893e64db5acdf6d5848ae631eb61ca6c0148353e6f02d5c7
File size (compressed) :34'716 bytes
File size (de-compressed) :88'172 bytes
Format:linux/arm
Packed file: 4df87639e03ac655893e64db5acdf6d5848ae631eb61ca6c0148353e6f02d5c7

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T18:36:00Z UTC
Last seen:
2025-12-27T21:14:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=92cf1784-1a00-0000-e55f-08c3930c0000 pid=3219 /usr/bin/sudo guuid=94c0f687-1a00-0000-e55f-08c3950c0000 pid=3221 /tmp/sample.bin guuid=92cf1784-1a00-0000-e55f-08c3930c0000 pid=3219->guuid=94c0f687-1a00-0000-e55f-08c3950c0000 pid=3221 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-27 20:28:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 4fb08bd457c3ea9f88b8bb4eb3c4f3ba93c1d028b4debae218d12f1bc150a02e

(this sample)

  
Delivery method
Distributed via web download

Comments