MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941. 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


Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941
SHA3-384 hash: 4f25e474ef55b9f343af4d27251625537fd6a909cc0a2303774f97c1a53a739cfe589a0ddb8012a2f5ca071f464df69d
SHA1 hash: f37b7dcb364919731e7bbd5dfc35ad075fcb260d
MD5 hash: 334fbe7d8557564f70d1f56791a7a6c0
humanhash: comet-six-papa-summer
File name:xnxnxnxnxnxnxnxni386xnxn
Download: download sample
File size:61'572 bytes
First seen:2025-12-07 17:20:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:iDmApsGvH977n2F8huXO4pzAso65Q5M/yPkOvdBHy5ieuUFiLqMsSjB:iDnpsGv1NhEpcsL5G9vdkP3iLhjB
TLSH T17253F24AF022C162DA37AE7E613552F46072F85F5DD185B6ABD4D005C9B2B1F3E1948C
telfhash t14db022ccc08acf8000e2222000033333a000320080c03e000ee382c03bb03f303b2808
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 UPX
File size (compressed) :61'572 bytes
File size (de-compressed) :119'484 bytes
Format:linux/i386
Unpacked file: fe27efe3d15f5fff6be2c631f122f4af95416e093ffec1fae5e81f1a7dc72b6f

Intelligence

File Origin
# of uploads :
1
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c8bf1a3f-e218-4fc8-9dc7-c3a6d2e535ff/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deleting a recently created file
Sends data to a server
Kills processes
Creating a file in the %temp% directory
Receives data from a server
Creating a file
Locks files
Runs as daemon
Deletes a file
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt packed upx
Link:
https://www.filescan.io/uploads/6935b752bba50eaf04256510/reports/5965e2b5-17fb-4946-920c-d38a6b595cb8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-07T14:29:00Z UTC
Last seen:
2025-12-07T15:41:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.jl
Link:
https://opentip.kaspersky.com/3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fdbc1257-a790-454b-a379-5a91279509f1
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1828477
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h45jdjjj55dzxfkcoou7clrogqkdibtb25cpxbflmrgbzertvfaq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251207-vwkncswjcv/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/12e1d937-9258-4887-9395-974692064c0c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

elf 3f3a91a529ef479b954273a9f12e2e3414340661d744fb84ab644c1c9233a941

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3713410/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3713394/

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