MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc043e89e37bcafb38c578714ed3938103ea4270af97559ba1737e06cada9d9e. 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: 8


Intelligence 8 IOCs YARA 10 File information Comments

SHA256 hash: fc043e89e37bcafb38c578714ed3938103ea4270af97559ba1737e06cada9d9e
SHA3-384 hash: e0fdcaa6b537a207164763664cd8dc166f34f485d89aedad677024dd6d836332a757f32ef2d237e57474ee2e2744b3a3
SHA1 hash: a0a4a3c154799db3b3cddc5b1b87143b70fe88cf
MD5 hash: 9bc7b83d2f9e2f9b69da22433cddfc03
humanhash: undress-lithium-crazy-river
File name:rizzx.arm7
Download: download sample
Signature Mirai
File size:176'499 bytes
First seen:2026-02-18 18:31:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:XlIYLg3DYaX5dPRdzFFoJSUYCOK/Ulbmy3d0fM/9XGCCeM:XlWzYaX5dPRdZFAGCP/cbmy3dEM/9/M
TLSH T14A044C46EB818A13C0D62779F69F524633239B94D3DB33069918AFB43F867DE0E67601
telfhash t13c31fe31573151196ab1d954edec97b2152a87132349ee33df36c8dc181a09be93ec0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 f9132d227a1f0e08d98ac0185264d356e93b15a7c1912c35c1f3a98a61cb1c4c
File size (compressed) :67'428 bytes
File size (de-compressed) :176'499 bytes
Format:linux/arm
Packed file: f9132d227a1f0e08d98ac0185264d356e93b15a7c1912c35c1f3a98a61cb1c4c

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=c2453e15-2100-0000-1c58-e9aaac0b0000 pid=2988 /usr/bin/sudo guuid=60b4dc17-2100-0000-1c58-e9aab30b0000 pid=2995 /tmp/sample.bin guuid=c2453e15-2100-0000-1c58-e9aaac0b0000 pid=2988->guuid=60b4dc17-2100-0000-1c58-e9aab30b0000 pid=2995 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-18 19:15:21 UTC
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 fc043e89e37bcafb38c578714ed3938103ea4270af97559ba1737e06cada9d9e

(this sample)

Comments