🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb2ef56a226af911f5a07fcc6bbece32c9f0cc463791eb4337e493f3df77acc3. 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: fb2ef56a226af911f5a07fcc6bbece32c9f0cc463791eb4337e493f3df77acc3
SHA3-384 hash: a73b30c6469e4527b3f12a4cad571928e853d50c5c91381799dfd4631f5028b83327afd36fdb17415abc8f93d440accd
SHA1 hash: 8fc1d8d38734681233a10fdce0f276ff632f930a
MD5 hash: 2354f0985a4db1126ed68ddb508715ed
humanhash: vegan-south-rugby-lactose
File name:fb2ef56a226af911f5a07fcc6bbece32c9f0cc463791eb4337e493f3df77acc3
Download: download sample
Signature Mirai
File size:111'124 bytes
First seen:2026-10-19 16:16:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:GvAkytbH2oeFI8vFegfpgua+1K/mVwIOr5D3+ToDiNuMU3wJRgi:ThH2JBFegda+1lwI0xtMikgi
TLSH T11BB312823DA03224F0BE7179B6EC27E2D8543537E72A3157CDAC6958649D3EF89C6032
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 Rocketguy
Tags:elf gafgyt honeypot UPX


Avatar
Rocketguy
Captured by a RocketCore internet honeypot; not present in MalwareBazaar at capture time.
File size (compressed) :111'124 bytes
File size (de-compressed) :388'176 bytes
Format:linux/amd64
Unpacked file: 31bf3aa97ac3e3f1d391386de4c1489cf08f12871afbe9acdb936de78b7b9a63

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
DNS request
Attempts to kill processes by name
Sends data to a server
Launching a process
Changes the time when the file was created, accessed, or modified
Connection attempt
Creating a file
Receives data from a server
Changes access rights for a written file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
42
Number of processes launched:
1
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.64.le
First seen:
2026-10-19T16:21:00Z UTC
Last seen:
2026-10-19T16:39:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e54a6375-2200-0000-5165-8b5c690a0000 pid=2665 /usr/bin/sudo guuid=9d2c6e78-2200-0000-5165-8b5c700a0000 pid=2672 /tmp/sample.bin mprotect-exec write-file guuid=e54a6375-2200-0000-5165-8b5c690a0000 pid=2665->guuid=9d2c6e78-2200-0000-5165-8b5c700a0000 pid=2672 execve guuid=7a7cf879-2200-0000-5165-8b5c760a0000 pid=2678 /tmp/libcow.so write-config write-file zombie guuid=9d2c6e78-2200-0000-5165-8b5c700a0000 pid=2672->guuid=7a7cf879-2200-0000-5165-8b5c760a0000 pid=2678 clone guuid=ebdf527a-2200-0000-5165-8b5c780a0000 pid=2680 /usr/bin/dash guuid=7a7cf879-2200-0000-5165-8b5c760a0000 pid=2678->guuid=ebdf527a-2200-0000-5165-8b5c780a0000 pid=2680 execve guuid=d3edf07b-2200-0000-5165-8b5c7a0a0000 pid=2682 /usr/bin/dash guuid=7a7cf879-2200-0000-5165-8b5c760a0000 pid=2678->guuid=d3edf07b-2200-0000-5165-8b5c7a0a0000 pid=2682 execve guuid=a724a97d-2200-0000-5165-8b5c7c0a0000 pid=2684 /usr/bin/dash guuid=7a7cf879-2200-0000-5165-8b5c760a0000 pid=2678->guuid=a724a97d-2200-0000-5165-8b5c7c0a0000 pid=2684 execve guuid=09680f7e-2200-0000-5165-8b5c7f0a0000 pid=2687 /tmp/libcow.so guuid=7a7cf879-2200-0000-5165-8b5c760a0000 pid=2678->guuid=09680f7e-2200-0000-5165-8b5c7f0a0000 pid=2687 clone guuid=a7ed777a-2200-0000-5165-8b5c790a0000 pid=2681 /usr/bin/killall guuid=ebdf527a-2200-0000-5165-8b5c780a0000 pid=2680->guuid=a7ed777a-2200-0000-5165-8b5c790a0000 pid=2681 execve guuid=8423247c-2200-0000-5165-8b5c7b0a0000 pid=2683 /usr/bin/killall guuid=d3edf07b-2200-0000-5165-8b5c7a0a0000 pid=2682->guuid=8423247c-2200-0000-5165-8b5c7b0a0000 pid=2683 execve guuid=3befea7d-2200-0000-5165-8b5c7d0a0000 pid=2685 /usr/bin/dash guuid=a724a97d-2200-0000-5165-8b5c7c0a0000 pid=2684->guuid=3befea7d-2200-0000-5165-8b5c7d0a0000 pid=2685 clone guuid=96fff27d-2200-0000-5165-8b5c7e0a0000 pid=2686 /usr/bin/dash guuid=a724a97d-2200-0000-5165-8b5c7c0a0000 pid=2684->guuid=96fff27d-2200-0000-5165-8b5c7e0a0000 pid=2686 clone guuid=ae6a1b7e-2200-0000-5165-8b5c800a0000 pid=2688 /tmp/libcow.so guuid=09680f7e-2200-0000-5165-8b5c7f0a0000 pid=2687->guuid=ae6a1b7e-2200-0000-5165-8b5c800a0000 pid=2688 clone
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-10-19 16:17:24 UTC
File Type:
ELF64 Little (SO)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
UPX packed file
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Reads MAC address of network interface
Reads network interface configuration
Renames itself
Contacts a large (99783) amount of remote hosts
Creates a large amount of network flows
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_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: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:telebot_framework
Author:vietdx.mb
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 fb2ef56a226af911f5a07fcc6bbece32c9f0cc463791eb4337e493f3df77acc3

(this sample)

  
Delivery method
Distributed via web download

Comments