MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b38cac7dcd0b2f68f15499113658d15987de22ba225cea00a14e95a885adec75. 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 3 File information Comments

SHA256 hash: b38cac7dcd0b2f68f15499113658d15987de22ba225cea00a14e95a885adec75
SHA3-384 hash: 46887e02068f376f03b0bf6e01b3de7e492587dd702a27f3c7583f882426b6dc43e0f269658d32cc40792a811150b47f
SHA1 hash: 5c4fbe5a9d110a05de89b31f9a0210db70d60bf3
MD5 hash: 539f613c1300338c831497daf4be2fd9
humanhash: kansas-snake-golf-india
File name:mips
Download: download sample
Signature Mirai
File size:45'428 bytes
First seen:2025-12-20 02:41:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:nH63cEtjr/ciLDEPv3PPMRMdZrIopQOKwpo0AycP1/s/oK6iDAdjKSJgGlzDpbul:nH4004ZrPpQOKwpo0Ar2l6i0hVJuu+
TLSH T1B113F165031244DFCE81F4F8DFE04FA22B292F57D90F8D9229A2E957DC4A2B47CE1649
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
File size (compressed) :45'428 bytes
File size (de-compressed) :118'220 bytes
Format:linux/mips
Unpacked file: 0b9e2b9ee7f3e5e229daa0f8e813b385b71695f661eda4aff2b8f51743846182

Intelligence


File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet mirai packed upx
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-19T23:50:00Z UTC
Last seen:
2025-12-20T03:25:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=71cb8226-1800-0000-fdb1-7b9b2c0d0000 pid=3372 /usr/bin/sudo guuid=b22b4f28-1800-0000-fdb1-7b9b320d0000 pid=3378 /tmp/sample.bin guuid=71cb8226-1800-0000-fdb1-7b9b2c0d0000 pid=3372->guuid=b22b4f28-1800-0000-fdb1-7b9b320d0000 pid=3378 execve
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
80 / 100
Signature
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-20 02:42:18 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads process memory
Enumerates running processes
Traces itself
Mirai
Mirai family
Malware Config
C2 Extraction:
ahahahahahajs.unproxy.st
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf b38cac7dcd0b2f68f15499113658d15987de22ba225cea00a14e95a885adec75

(this sample)

Comments