MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dc356c7639dcdf7c7f7637d4140afe0b4d0ee6fd8510c44d0176feec3cf31028. 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: 13
| SHA256 hash: | dc356c7639dcdf7c7f7637d4140afe0b4d0ee6fd8510c44d0176feec3cf31028 |
|---|---|
| SHA3-384 hash: | a80e8abf56716ce68963365061aadd63a592451c1d61f6bd3c5eee4c363bd81e927ed924222f0dceb47e57f6d8c6a8bc |
| SHA1 hash: | bbe76a3f846b0753a539244d1c8cac67c746a4a4 |
| MD5 hash: | 7c58fc7eec116c24a25d099b91f8437d |
| humanhash: | quebec-alabama-fillet-montana |
| File name: | dc356c7639dcdf7c.bin |
| Download: | download sample |
| Signature | Mirai |
| File size: | 202'836 bytes |
| First seen: | 2026-09-28 07:24:37 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 3072:+7m0c2yArVOYpa0vni+8qpaUfTgPJ6tMJmCyncggSb9SuIGunAz885:+7mN2yG91/i+8qp7rgTzynH9StGunZ85 |
| TLSH | T18114236BE3CC6ED7F05D953FAE559FBCA025BD8B5384481FB878AC522061EAF1B11042 |
| 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 |  whack_sh |
| Tags: | elf mirai UPX |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 202'836 bytes |
|---|---|
| File size (de-compressed) : | 485'688 bytes |
| Format: | linux/amd64 |
| Unpacked file: | 3030c25514d4d8e7d1e0e7ea938991bc047116100623adcf52da2c6ca09879b6 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
85
Origin country :
USVendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Kills processes
Opens a port
Receives data from a server
Launching a process
Connection attempt
Sends data to a server
Manages services
Creating a process from a recently created file
Runs as daemon
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Changes access rights for a written file
Creating a file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
5555,2323,23
Full report:
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-09-25T10:13:00Z UTC
Last seen:
2026-09-25T10:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Malware family:
Mirai
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-09-25 15:10:17 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
mirai
Score:
10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Contacts a large (47048) amount of remote hosts
Creates a large amount of network flows
Family: Mirai
Malware Config
C2 Extraction:
94.154.43.30
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.62
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | ELF_IoT_DVR_Botnet_Hama_UPX |
|---|---|
| Author: | Serhii Kocherhan |
| Description: | Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Trojan_Ircbot_bb204b81 |
|---|---|
| Author: | Elastic Security |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| 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: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
| 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
Delivery method
Distributed via web download
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