MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec2743bc10f9207b04b2e96badce4e5f564da05f35e5a06cdc268d4a4f8811f3. 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



LeetHozer


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: ec2743bc10f9207b04b2e96badce4e5f564da05f35e5a06cdc268d4a4f8811f3
SHA3-384 hash: 3e39ae3c53da635df4cf73d89ed127259404bc6f290d9f4f3dab9cbc56a065b4ef97b3f68a9d4b9ee030aaedd6c33cbd
SHA1 hash: 553b2c0267d9bd41283f3f979d532a1c30123564
MD5 hash: 757c7f5ad9bef627977961d0ec8bd7e8
humanhash: massachusetts-fish-wisconsin-blue
File name:zero.x86
Download: download sample
Signature LeetHozer
File size:45'880 bytes
First seen:2026-06-01 20:47:36 UTC
Last seen:2026-06-03 12:43:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:gANFAkBxvsPmeBBQujbKvKzslNzdJGwyD/2crr42NjGGUoTfC/E:pFBvsPpouj+vK4LyD/bA2A2n
TLSH T13E23F1E381DD80F1C5B3A1FE5A775268E27F9725430A121B186E30A84BBB47C7870B93
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 gafgyt LeetHozer UPX
File size (compressed) :45'880 bytes
File size (de-compressed) :121'048 bytes
Format:linux/amd64
Unpacked file: 454508178b3ed7d3e7fbf85a55877b3083accccc22696099710c787f6adf2ac7

Intelligence


File Origin
# of uploads :
3
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Creating a file
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-06-01T18:02:00Z UTC
Last seen:
2026-06-02T09:12:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=1ef04fee-1900-0000-517b-23d329090000 pid=2345 /usr/bin/sudo guuid=38513ef2-1900-0000-517b-23d330090000 pid=2352 /tmp/sample.bin mprotect-exec guuid=1ef04fee-1900-0000-517b-23d329090000 pid=2345->guuid=38513ef2-1900-0000-517b-23d330090000 pid=2352 execve guuid=913d92f3-1900-0000-517b-23d335090000 pid=2357 /tmp/sample.bin zombie guuid=38513ef2-1900-0000-517b-23d330090000 pid=2352->guuid=913d92f3-1900-0000-517b-23d335090000 pid=2357 clone guuid=d9de9af3-1900-0000-517b-23d336090000 pid=2358 /tmp/sample.bin write-file zombie guuid=913d92f3-1900-0000-517b-23d335090000 pid=2357->guuid=d9de9af3-1900-0000-517b-23d336090000 pid=2358 clone guuid=279ac1f3-1900-0000-517b-23d337090000 pid=2359 /tmp/sample.bin net send-data zombie guuid=d9de9af3-1900-0000-517b-23d336090000 pid=2358->guuid=279ac1f3-1900-0000-517b-23d337090000 pid=2359 clone 40f5f7f9-2372-5af2-8c7a-97e93c12704c 31.56.209.222:31337 guuid=279ac1f3-1900-0000-517b-23d337090000 pid=2359->40f5f7f9-2372-5af2-8c7a-97e93c12704c send: 524B
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1921334 Sample: zero.x86.elf Startdate: 01/06/2026 Architecture: LINUX Score: 60 17 31.56.209.222, 31337, 51954 SWISSNET-ASUS Netherlands 2->17 19 Malicious sample detected (through community Yara rule) 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Sample is packed with UPX 2->23 9 zero.x86.elf 2->9         started        signatures3 process4 process5 11 zero.x86.elf 9->11         started        process6 13 zero.x86.elf 11->13         started        process7 15 zero.x86.elf 13->15         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-06-01 20:48:23 UTC
File Type:
ELF64 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
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: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

LeetHozer

elf ec2743bc10f9207b04b2e96badce4e5f564da05f35e5a06cdc268d4a4f8811f3

(this sample)

  
Delivery method
Distributed via web download

Comments