MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8378f1ee56f11a0e6c794f73ad555f57ffbc7e7e29a97eeebce6fe5ec6e67db5. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8378f1ee56f11a0e6c794f73ad555f57ffbc7e7e29a97eeebce6fe5ec6e67db5
SHA3-384 hash: f201a48fbfe27760e80eea778dff2643c0ac1cd028ac4cf00a1c08f117b546d3575388038db5f5cd6b09d9d02dc77923
SHA1 hash: b136cd305667d4ac2766b0d3b6b94acf9560c13e
MD5 hash: 639f49db2169ee7bbbdc6047a2b1bc9d
humanhash: grey-tango-georgia-batman
File name:x86_64
Download: download sample
File size:127'676 bytes
First seen:2026-07-01 10:36:53 UTC
Last seen:2026-07-01 16:16:44 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:0jp1in+cpPeNiOpUJJCiU3S5d6Z4vkJsO:0zdcmidTi3S5tvO
TLSH T14CC3124E58840051E9AFE7324ACF90F798F2F50F5A7474200ADF94BA8F1F9D3A541E9A
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) :127'676 bytes
File size (de-compressed) :345'920 bytes
Format:linux/amd64
Unpacked file: 987e70fa1fd25795c9492c06dddff8060900531232f8d2820b6a7654ecd2cbe9

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f6b1932c-cc29-42cf-9737-0b4616471668/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Creating a file in the %temp% directory
Changes access rights for a written file
Locks files
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Creates directories
Kills processes
Manages services
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin packed upx
Link:
https://www.filescan.io/uploads/6a44eded2bb34ddaee299769/reports/23a0a834-8419-4e9e-b9a8-53d65105083d/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/899ad6dc-da9b-4ba6-b9fe-352ee13e3560
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1936037
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1936037 Sample: x86_64.elf Startdate: 01/07/2026 Architecture: LINUX Score: 80 36 141.11.88.127, 46767, 51502 ROYALE-ASNL United States 2->36 38 daisy.ubuntu.com 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Sample is packed with UPX 2->46 8 x86_64.elf 2->8         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 file5 30 /etc/sysconfig/.535ff2ee, ELF 8->30 dropped 32 /etc/rc.local, ASCII 8->32 dropped 34 /etc/cron.d/akataru, ASCII 8->34 dropped 48 Drops invisible ELF files 8->48 50 Sample tries to persist itself using cron 8->50 52 Sample tries to persist itself using System V runlevels 8->52 18 x86_64.elf 8->18         started        20 x86_64.elf systemctl 8->20         started        22 x86_64.elf systemctl 8->22         started        24 2 other processes 8->24 signatures6 process7 process8 26 x86_64.elf 18->26         started        28 x86_64.elf 24->28         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8378f1ee56f11a0e6c794f73ad555f57ffbc7e7e29a97eeebce6fe5ec6e67db5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8378f1ee56f11a0e6c794f73ad555f57ffbc7e7e29a97eeebce6fe5ec6e67db5/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qn4pd3sw6ena43dzj5z22vk7k773y7t6fgux53v4437f5rxgpw2q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260701-mn4ghad14s/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
UPX packed file
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Modifies systemd
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8378f1ee56f11a0e6c794f73ad555f57ffbc7e7e29a97eeebce6fe5ec6e67db5

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:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 8378f1ee56f11a0e6c794f73ad555f57ffbc7e7e29a97eeebce6fe5ec6e67db5

(this sample)

elf 987e70fa1fd25795c9492c06dddff8060900531232f8d2820b6a7654ecd2cbe9

  
URLhaus
https://urlhaus.abuse.ch/url/3878902/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 987e70fa1fd25795c9492c06dddff8060900531232f8d2820b6a7654ecd2cbe9
  
Dropping
MD5 92f687575c89ec8a479aeee7a8a1c699

Comments