MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b49368c997646f01534e7746a5a16b9dcf90eb5963bf1a49e56a8cacf3e6d14d. 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 4 File information Comments

SHA256 hash: b49368c997646f01534e7746a5a16b9dcf90eb5963bf1a49e56a8cacf3e6d14d
SHA3-384 hash: d13b16216f26dfdb38ec9ed5e99685ebdab3117bac14b76ff6584266b2bc45e230ffd47e65169de51a4a84d3ea5bf4e9
SHA1 hash: f13c82b0c6ec99da31a0f48433003ece12251df4
MD5 hash: 5cf5d08575e4bf50beee715b06925b5b
humanhash: bulldog-thirteen-illinois-chicken
File name:arm5
Download: download sample
Signature Mirai
File size:88'248 bytes
First seen:2025-12-30 01:01:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:vHaR6NTNME09Uk3srEQF/5DBN4OHjrwmeUbWgqu/ent+2IymQY2AUm6hh1rXsi:vq6NTNl0WDegrjDgq6hh1r8i
TLSH T106834B82BC918A6EC6D013BAB67E268C3352B3B6C2CB7257DD154B6037C561F0D67B90
telfhash t172f0c940fd7dca1988e74a34dcac43a5c053a237a0229b21ef08dee0883f009f31cd6a
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 2feeb9628a82bc939a8a0dc2c1b31d9aac81587b621fc27684e3e6007c093b3d
File size (compressed) :35'008 bytes
File size (de-compressed) :88'248 bytes
Format:linux/arm
Packed file: 2feeb9628a82bc939a8a0dc2c1b31d9aac81587b621fc27684e3e6007c093b3d

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T22:04:00Z UTC
Last seen:
2025-12-29T22:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r 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=2182d31c-1800-0000-cd67-5ac50f0d0000 pid=3343 /usr/bin/sudo guuid=5399b21e-1800-0000-cd67-5ac5130d0000 pid=3347 /tmp/sample.bin guuid=2182d31c-1800-0000-cd67-5ac50f0d0000 pid=3343->guuid=5399b21e-1800-0000-cd67-5ac5130d0000 pid=3347 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841881 Sample: arm5.elf Startdate: 30/12/2025 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 arm5.elf 2->12         started        signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-30 01:02:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
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 b49368c997646f01534e7746a5a16b9dcf90eb5963bf1a49e56a8cacf3e6d14d

(this sample)

Comments