MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 503e44cd27b16edb86f8339a9822720243bcedff5fc4ab6fc3bc27d0752b04a3. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 503e44cd27b16edb86f8339a9822720243bcedff5fc4ab6fc3bc27d0752b04a3
SHA3-384 hash: 230b5fdc264005fff1bcd36fed3233167ed082a5d749725ca84aaa75beb926872ab24479fca154462d2b17295bfb30fe
SHA1 hash: 83a8a225a517ec5a89c7ff5974e1e6098a80032a
MD5 hash: 67eb5df05db7a6eaebdef6d97ba02803
humanhash: shade-butter-potato-kilo
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-07-10 08:20:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T165A41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9080.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31951.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686f7800c9eb974737680280linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit gcc
Link:
https://www.filescan.io/uploads/686f780061f15fb42a37eaef/reports/5141b265-6402-4459-afa8-4da87d2cef1c/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9ca82b46-854e-48dc-82b1-489a72dc295e
Behavior Graph:
Download SVG
%3 guuid=d954dd44-1600-0000-4cfd-c831170d0000 pid=3351 /usr/bin/sudo guuid=b2501a47-1600-0000-4cfd-c8311e0d0000 pid=3358 /tmp/sample.bin guuid=d954dd44-1600-0000-4cfd-c831170d0000 pid=3351->guuid=b2501a47-1600-0000-4cfd-c8311e0d0000 pid=3358 execve guuid=37923a47-1600-0000-4cfd-c831200d0000 pid=3360 /usr/bin/dash guuid=b2501a47-1600-0000-4cfd-c8311e0d0000 pid=3358->guuid=37923a47-1600-0000-4cfd-c831200d0000 pid=3360 execve guuid=2398a147-1600-0000-4cfd-c831220d0000 pid=3362 /usr/bin/dash guuid=b2501a47-1600-0000-4cfd-c8311e0d0000 pid=3358->guuid=2398a147-1600-0000-4cfd-c831220d0000 pid=3362 execve guuid=a91df647-1600-0000-4cfd-c831250d0000 pid=3365 /tmp/sample.bin mprotect-exec zombie guuid=b2501a47-1600-0000-4cfd-c8311e0d0000 pid=3358->guuid=a91df647-1600-0000-4cfd-c831250d0000 pid=3365 clone guuid=ea24c947-1600-0000-4cfd-c831230d0000 pid=3363 /usr/bin/dash guuid=2398a147-1600-0000-4cfd-c831220d0000 pid=3362->guuid=ea24c947-1600-0000-4cfd-c831230d0000 pid=3363 clone guuid=d9b0d047-1600-0000-4cfd-c831240d0000 pid=3364 /usr/bin/dash guuid=2398a147-1600-0000-4cfd-c831220d0000 pid=3362->guuid=d9b0d047-1600-0000-4cfd-c831240d0000 pid=3364 clone guuid=2f0f7e4d-1600-0000-4cfd-c831370d0000 pid=3383 /tmp/sample.bin zombie guuid=a91df647-1600-0000-4cfd-c831250d0000 pid=3365->guuid=2f0f7e4d-1600-0000-4cfd-c831370d0000 pid=3383 clone guuid=3f34884d-1600-0000-4cfd-c831380d0000 pid=3384 /tmp/sample.bin guuid=2f0f7e4d-1600-0000-4cfd-c831370d0000 pid=3383->guuid=3f34884d-1600-0000-4cfd-c831380d0000 pid=3384 clone guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385 /tmp/sample.bin dns net net-scan send-data guuid=3f34884d-1600-0000-4cfd-c831380d0000 pid=3384->guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B fd7993bd-787a-5b75-81c7-5e90c59ae665 54.215.207.56:9096 guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385->fd7993bd-787a-5b75-81c7-5e90c59ae665 con 852599f2-6d75-5508-ab9c-4258c262d690 181.214.166.6:27707 guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385->852599f2-6d75-5508-ab9c-4258c262d690 send: 68B 12451eb8-62b9-502a-bc9e-eb876e7a1cfe 54.193.33.181:6881 guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385->12451eb8-62b9-502a-bc9e-eb876e7a1cfe send: 104B guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385|send-data send-data to 271 IP addresses review logs to see them all guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385->guuid=6b0a8e4d-1600-0000-4cfd-c831390d0000 pid=3385|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/751d052b-fbad-4e4b-95e8-5a06e0165731
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1732505
Signature
Executes the "crontab" command typically for achieving persistence
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1732505 Sample: amd64.elf Startdate: 10/07/2025 Architecture: LINUX Score: 56 41 188.134.79.161, 6881 ZTELECOM-ASRU Russian Federation 2->41 43 98.159.234.106, 63963 ZNETUS United States 2->43 45 102 other IPs or domains 2->45 9 amd64.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        process3 process4 15 amd64.elf sh 9->15         started        17 amd64.elf 9->17         started        20 amd64.elf sh 9->20         started        signatures5 22 sh crontab 15->22         started        26 sh 15->26         started        49 Opens /sys/class/net/* files useful for querying network interface information 17->49 51 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->51 28 amd64.elf 17->28         started        30 sh crontab 20->30         started        process6 file7 39 /var/spool/cron/crontabs/tmp.1QSFOq, ASCII 22->39 dropped 53 Sample tries to persist itself using cron 22->53 55 Executes the "crontab" command typically for achieving persistence 22->55 32 sh crontab 26->32         started        35 amd64.elf 28->35         started        signatures8 process9 signatures10 47 Executes the "crontab" command typically for achieving persistence 32->47 37 amd64.elf 35->37         started        process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/503e44cd27b16edb86f8339a9822720243bcedff5fc4ab6fc3bc27d0752b04a3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/503e44cd27b16edb86f8339a9822720243bcedff5fc4ab6fc3bc27d0752b04a3/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-10 08:21:20 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ka7ejtjhwfxnxbxygonjqitsajb3z3p7l7ckw36dxqt5a5jlasrq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250710-j85craaj5y/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads MAC address of network interface
Reads hardware information
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1557ad2b-a89f-4508-8a6c-898cb0feb1a6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/503e44cd27b16edb86f8339a9822720243bcedff5fc4ab6fc3bc27d0752b04a3

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
Create hunting rule
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

elf 503e44cd27b16edb86f8339a9822720243bcedff5fc4ab6fc3bc27d0752b04a3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3550686/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments