MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b49e38f0bc25d379bc9345fd50c11f5a38ac757d6e4aa7b236236fefa357e439. 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 4 File information Comments

SHA256 hash: b49e38f0bc25d379bc9345fd50c11f5a38ac757d6e4aa7b236236fefa357e439
SHA3-384 hash: 854b034ef5f456aa19ca293224f7f839fc55a53a7254417cba1c50e0ad654bc7736edd05108e3b7ef1a344dd00e70252
SHA1 hash: 6c175955d7737c2dd46684b111c254736390d113
MD5 hash: b50d41b031326caebca5bd7bfc09b413
humanhash: speaker-fifteen-pasta-romeo
File name:rbot
Download: download sample
Signature Mirai
File size:22'072 bytes
First seen:2026-01-29 20:03:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:MUmoNufGrQtUovQYGcQh3C/CVUv+iByBt6cdoofWF7/ivQDnBf7fH69qAK9:9mlfGrQt71J//CuvlyCtAA7nBf7i9qN
TLSH T1C8A2E0592591860FC7888375304F1D6273B24CB36F2B8F8D5D216A34227F2EC5A46AA8
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 :
67
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-29T18:06:00Z UTC
Last seen:
2026-01-30T02:53:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c2a06fa7-1700-0000-8db9-abc0940b0000 pid=2964 /usr/bin/sudo guuid=11c999a9-1700-0000-8db9-abc09c0b0000 pid=2972 /tmp/sample.bin net guuid=c2a06fa7-1700-0000-8db9-abc0940b0000 pid=2964->guuid=11c999a9-1700-0000-8db9-abc09c0b0000 pid=2972 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=11c999a9-1700-0000-8db9-abc09c0b0000 pid=2972->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7fcd89aa-1700-0000-8db9-abc0a00b0000 pid=2976 /tmp/sample.bin guuid=11c999a9-1700-0000-8db9-abc09c0b0000 pid=2972->guuid=7fcd89aa-1700-0000-8db9-abc0a00b0000 pid=2976 clone guuid=02658daa-1700-0000-8db9-abc0a10b0000 pid=2977 /tmp/sample.bin net zombie guuid=7fcd89aa-1700-0000-8db9-abc0a00b0000 pid=2976->guuid=02658daa-1700-0000-8db9-abc0a10b0000 pid=2977 clone aebe3305-4bcf-5e8c-b5a2-94fe5bd4b1d5 192.109.200.244:3074 guuid=02658daa-1700-0000-8db9-abc0a10b0000 pid=2977->aebe3305-4bcf-5e8c-b5a2-94fe5bd4b1d5 con
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1860086 Sample: rbot.elf Startdate: 29/01/2026 Architecture: LINUX Score: 60 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 192.109.200.244, 3074 TELECOMASET-ASBG Bulgaria 2->19 21 daisy.ubuntu.com 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 8 rbot.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 27 Opens /proc/net/* files useful for finding connected devices and routers 8->27 13 rbot.elf 8->13         started        process6 process7 15 rbot.elf 13->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-29 20:04:01 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux upx
Behaviour
Reads runtime system information
Reads system network configuration
Reads system routing table
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:UPXProtectorv10x2
Author:malware-lu
Rule name:upx_antiunpack_elf32
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b49e38f0bc25d379bc9345fd50c11f5a38ac757d6e4aa7b236236fefa357e439

(this sample)

  
Delivery method
Distributed via web download

Comments