MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5736cfe8421167c21240dfb331ee4057c2c19379eeff37079a484dcb6f683db. 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: c5736cfe8421167c21240dfb331ee4057c2c19379eeff37079a484dcb6f683db
SHA3-384 hash: 8dc98e248d33fe6818aebbf8f630609e59de4e28df1b25444be1a05ad6c3a184fdc598ebe8a35b0093ab7fca397d3cec
SHA1 hash: bcf2da21fcc97a5763478b8f68aee77d3920ed21
MD5 hash: bfa3acb52e007f8b41ad97774241834b
humanhash: venus-enemy-mirror-nitrogen
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-07-12 11:10:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T10EA41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
13
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=687242dbc9eb9747376889felinux22vpnfull_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/687242dda15b22faa8af8ca7/reports/cc71253a-f881-42a5-bfc1-8def7ac6717b/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6a840e84-a417-4bbd-a11f-204b901d64ab
Behavior Graph:
Download SVG
%3 guuid=7f92d69c-1800-0000-f07c-74ce58070000 pid=1880 /usr/bin/sudo guuid=0ce4279f-1800-0000-f07c-74ce5e070000 pid=1886 /tmp/sample.bin guuid=7f92d69c-1800-0000-f07c-74ce58070000 pid=1880->guuid=0ce4279f-1800-0000-f07c-74ce5e070000 pid=1886 execve guuid=ee8e429f-1800-0000-f07c-74ce5f070000 pid=1887 /usr/bin/dash guuid=0ce4279f-1800-0000-f07c-74ce5e070000 pid=1886->guuid=ee8e429f-1800-0000-f07c-74ce5f070000 pid=1887 execve guuid=f00b9f9f-1800-0000-f07c-74ce61070000 pid=1889 /usr/bin/dash guuid=0ce4279f-1800-0000-f07c-74ce5e070000 pid=1886->guuid=f00b9f9f-1800-0000-f07c-74ce61070000 pid=1889 execve guuid=07a1f29f-1800-0000-f07c-74ce64070000 pid=1892 /tmp/sample.bin mprotect-exec zombie guuid=0ce4279f-1800-0000-f07c-74ce5e070000 pid=1886->guuid=07a1f29f-1800-0000-f07c-74ce64070000 pid=1892 clone guuid=495fcf9f-1800-0000-f07c-74ce62070000 pid=1890 /usr/bin/dash guuid=f00b9f9f-1800-0000-f07c-74ce61070000 pid=1889->guuid=495fcf9f-1800-0000-f07c-74ce62070000 pid=1890 clone guuid=838bd39f-1800-0000-f07c-74ce63070000 pid=1891 /usr/bin/dash guuid=f00b9f9f-1800-0000-f07c-74ce61070000 pid=1889->guuid=838bd39f-1800-0000-f07c-74ce63070000 pid=1891 clone guuid=b045a7a6-1800-0000-f07c-74ce75070000 pid=1909 /tmp/sample.bin zombie guuid=07a1f29f-1800-0000-f07c-74ce64070000 pid=1892->guuid=b045a7a6-1800-0000-f07c-74ce75070000 pid=1909 clone guuid=a752afa6-1800-0000-f07c-74ce76070000 pid=1910 /tmp/sample.bin guuid=b045a7a6-1800-0000-f07c-74ce75070000 pid=1909->guuid=a752afa6-1800-0000-f07c-74ce76070000 pid=1910 clone guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911 /tmp/sample.bin dns net net-scan send-data guuid=a752afa6-1800-0000-f07c-74ce76070000 pid=1910->guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B c3f0e2e6-77f9-517b-9f99-e209110de542 99.62.112.135:1 guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911->c3f0e2e6-77f9-517b-9f99-e209110de542 send: 68B c670fc95-b9e8-55c7-af35-afbde4bd8783 99.62.112.135:50215 guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911->c670fc95-b9e8-55c7-af35-afbde4bd8783 send: 68B guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911|send-data send-data to 280 IP addresses review logs to see them all guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911->guuid=62a7b8a6-1800-0000-f07c-74ce77070000 pid=1911|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b56ba84e-5423-4295-aa0d-632b6e26d827
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1734673
Signature
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample scans a subnet
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734673 Sample: amd64.elf Startdate: 12/07/2025 Architecture: LINUX Score: 68 44 178.162.174.1, 28007, 6881 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 2->44 46 178.162.174.173, 28016, 6881 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 2->46 48 102 other IPs or domains 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Sample scans a subnet 2->52 10 amd64.elf 2->10         started        12 dash rm 2->12         started        14 dash cut 2->14         started        16 8 other processes 2->16 signatures3 process4 process5 18 amd64.elf sh 10->18         started        20 amd64.elf 10->20         started        23 amd64.elf sh 10->23         started        signatures6 25 sh crontab 18->25         started        29 sh 18->29         started        56 Opens /sys/class/net/* files useful for querying network interface information 20->56 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 20->58 31 amd64.elf 20->31         started        33 sh crontab 23->33         started        process7 file8 42 /var/spool/cron/crontabs/tmp.DvtfT7, ASCII 25->42 dropped 60 Sample tries to persist itself using cron 25->60 62 Executes the "crontab" command typically for achieving persistence 25->62 35 sh crontab 29->35         started        38 amd64.elf 31->38         started        signatures9 process10 signatures11 54 Executes the "crontab" command typically for achieving persistence 35->54 40 amd64.elf 38->40         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c5736cfe8421167c21240dfb331ee4057c2c19379eeff37079a484dcb6f683db
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5736cfe8421167c21240dfb331ee4057c2c19379eeff37079a484dcb6f683db/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-12 11:11:22 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=yvzwz7ueeelhyijebx5tghxeav6cygjxt3x7g4dzuscnznxwqpnq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250712-naernael9t/
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/34f795d3-5bda-426f-ba7f-8f732708c85c
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/c5736cfe8421167c21240dfb331ee4057c2c19379eeff37079a484dcb6f683db

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 c5736cfe8421167c21240dfb331ee4057c2c19379eeff37079a484dcb6f683db

(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