MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 557a297e313d6b6c94f6100a77b87ecff43f811cd0b4c7396553245299c2e83c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 557a297e313d6b6c94f6100a77b87ecff43f811cd0b4c7396553245299c2e83c
SHA3-384 hash: d499bca225a91b379efc37731eca70333c3243f552083e9ea9e936761dd2e353e87015924a3ed23c78e86e92711f78f0
SHA1 hash: c949601ebd0a50a662b8e9162c130c525e2c8a55
MD5 hash: 0ea542e6a7e044a9a193dc4191cf34b7
humanhash: kitten-apart-social-south
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-06-28 04:06:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T13FC42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
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 :
91
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

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

SecuriteInfo.com.Linux.Siggen.9095.7670.3063.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685f6a8037c3436779469e90linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates directories
Creating a process from a recently created file
Changes the time when the file was created, accessed, or modified
Creating a file
Creating a file in the %temp% directory
Connection attempt
Locks files
Opens a port
Changes access rights for a written file
Collects information on the CPU
Receives data from a server
Sends data to a server
DNS request
Runs as daemon
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/685f6a6a45e80b29f8a2dcd8/reports/ac3066d5-839a-43bf-9dcd-61011a0420e9/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cf2ba559-d1e8-4e46-88f0-cd6ce0d42d68
Behavior Graph:
Download SVG
%3 guuid=151a20ed-1a00-0000-6928-ec95600a0000 pid=2656 /usr/bin/sudo guuid=95ade7ee-1a00-0000-6928-ec95670a0000 pid=2663 /root/.sys/configuration guuid=151a20ed-1a00-0000-6928-ec95600a0000 pid=2656->guuid=95ade7ee-1a00-0000-6928-ec95670a0000 pid=2663 execve guuid=f71511ef-1a00-0000-6928-ec95690a0000 pid=2665 /usr/bin/dash guuid=95ade7ee-1a00-0000-6928-ec95670a0000 pid=2663->guuid=f71511ef-1a00-0000-6928-ec95690a0000 pid=2665 execve guuid=789543ef-1a00-0000-6928-ec956b0a0000 pid=2667 /usr/bin/dash guuid=95ade7ee-1a00-0000-6928-ec95670a0000 pid=2663->guuid=789543ef-1a00-0000-6928-ec956b0a0000 pid=2667 execve guuid=904f9cef-1a00-0000-6928-ec956e0a0000 pid=2670 /root/.sys/configuration zombie guuid=95ade7ee-1a00-0000-6928-ec95670a0000 pid=2663->guuid=904f9cef-1a00-0000-6928-ec956e0a0000 pid=2670 clone guuid=992669ef-1a00-0000-6928-ec956c0a0000 pid=2668 /usr/bin/dash guuid=789543ef-1a00-0000-6928-ec956b0a0000 pid=2667->guuid=992669ef-1a00-0000-6928-ec956c0a0000 pid=2668 clone guuid=f6626def-1a00-0000-6928-ec956d0a0000 pid=2669 /usr/bin/dash guuid=789543ef-1a00-0000-6928-ec956b0a0000 pid=2667->guuid=f6626def-1a00-0000-6928-ec956d0a0000 pid=2669 clone guuid=6be3d5f5-1a00-0000-6928-ec95860a0000 pid=2694 /root/.sys/configuration guuid=904f9cef-1a00-0000-6928-ec956e0a0000 pid=2670->guuid=6be3d5f5-1a00-0000-6928-ec95860a0000 pid=2694 clone guuid=a215e9f5-1a00-0000-6928-ec95870a0000 pid=2695 /root/.sys/configuration guuid=6be3d5f5-1a00-0000-6928-ec95860a0000 pid=2694->guuid=a215e9f5-1a00-0000-6928-ec95870a0000 pid=2695 clone guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696 /root/.sys/configuration dns net net-scan send-data guuid=a215e9f5-1a00-0000-6928-ec95870a0000 pid=2695->guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 8f94bd5e-237e-5c4b-b654-de13271a2b96 209.38.196.30:1 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->8f94bd5e-237e-5c4b-b654-de13271a2b96 con fe7643c9-9b42-5191-a514-f95c1eb2cc80 209.38.196.30:6814 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->fe7643c9-9b42-5191-a514-f95c1eb2cc80 send: 68B 7f1f85d4-ce87-5330-bef2-6f755da2840e 31.200.249.162:31844 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->7f1f85d4-ce87-5330-bef2-6f755da2840e send: 68B 86a07f24-9d2a-5107-8b5b-c817b2187a3c 60.49.244.79:59102 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->86a07f24-9d2a-5107-8b5b-c817b2187a3c con 473063f5-cc60-5216-98ff-ea579331c078 209.38.196.30:6813 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->473063f5-cc60-5216-98ff-ea579331c078 send: 68B eb734178-7662-5bf6-8e17-e4f8c7c86bbc 159.65.200.220:6817 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->eb734178-7662-5bf6-8e17-e4f8c7c86bbc send: 68B 39465c62-56ed-5c7e-9795-16ee40ac5515 176.148.165.217:59102 guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->39465c62-56ed-5c7e-9795-16ee40ac5515 con guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696|send-data send-data to 299 IP addresses review logs to see them all guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696->guuid=9b2df8f5-1a00-0000-6928-ec95880a0000 pid=2696|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f44ce64d-0788-4334-894b-7fe701be3c89
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1724514
Signature
Connects to many ports of the same IP (likely port scanning)
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 tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1724514 Sample: i686.elf Startdate: 28/06/2025 Architecture: LINUX Score: 68 38 62.182.86.86, 60730 YANINA-ASUA Ukraine 2->38 40 202.154.146.65, 19366, 6881 VOYAGERNET-AS-APVoyagerInternetLtdNZ New Zealand 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 i686.elf configuration 2->10         started        signatures3 process4 process5 12 i686.elf sh 10->12         started        14 configuration 10->14         started        17 i686.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.NZJuwn, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 configuration 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 configuration 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/557a297e313d6b6c94f6100a77b87ecff43f811cd0b4c7396553245299c2e83c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/557a297e313d6b6c94f6100a77b87ecff43f811cd0b4c7396553245299c2e83c/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/557a297e313d6b6c94f6100a77b87ecff43f811cd0b4c7396553245299c2e83c
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-28 04:07:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kv5cs7rrhvvwzfhwcafhpod6z72d7ai42c2moolfkmsffgoc5a6a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250628-epvlzswj12/
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
Renames itself
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3b7abe97-460f-437b-ad1c-5e9cb6e0224a
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/557a297e313d6b6c94f6100a77b87ecff43f811cd0b4c7396553245299c2e83c

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: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 557a297e313d6b6c94f6100a77b87ecff43f811cd0b4c7396553245299c2e83c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558166/
  
Delivery method
Distributed via web download

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