MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1efcad768ab7f085f934157ce3e5b8a90fb893344e602c93561b69edc8a4d56. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1efcad768ab7f085f934157ce3e5b8a90fb893344e602c93561b69edc8a4d56
SHA3-384 hash: 097935dc63ab509ccf7fbc2766d2dda0e2fd24565ba36be917aad00a3aad3028acf7312813cb92458cf4146016abde2b
SHA1 hash: 85210b55ab1abb8dc066cf6ebf06fb73fc8626ec
MD5 hash: eff23f989505a9bdf4a0aa7b55de6681
humanhash: quiet-xray-red-delaware
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-05 06:21:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T189A41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
76
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9080.UNOFFICIAL
Create hunting rule

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

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684139848bd5d68a12e5688alinux22vpnfull_triage
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/6841379afd02ed5e05993fdc/reports/7f55feed-520f-4be2-83c7-c1e626349cf0/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/41b31c81-e811-453a-aa79-7d774386db4b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1706898
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 tries to persist itself using cron
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1706898 Sample: amd64.elf Startdate: 05/06/2025 Architecture: LINUX Score: 68 38 204.12.208.37, 6881 WIIUS United States 2->38 40 125.235.238.88, 45974 VIETEL-AS-APViettelGroupVN Viet Nam 2->40 42 101 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Uses known network protocols on non-standard ports 2->46 10 amd64.elf 2->10         started        signatures3 process4 process5 12 amd64.elf sh 10->12         started        14 amd64.elf 10->14         started        17 amd64.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 amd64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.NrkGBX, 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 amd64.elf 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 amd64.elf 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f1efcad768ab7f085f934157ce3e5b8a90fb893344e602c93561b69edc8a4d56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1efcad768ab7f085f934157ce3e5b8a90fb893344e602c93561b69edc8a4d56/
Threat name:
Linux.Trojan.SAgnt
Create hunting rule
Status:
Malicious
First seen:
2025-06-05 06:22:16 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6hx4vv3ivn7qqx4tifl44ps3rkipxcjtittafsjvmg3j5xekjvla._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250605-g4w5gabk7t/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Enumerates running processes
Reads MAC address of network interface
Reads hardware information
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/53d9e452-c0f9-457d-85c1-634f1d71c68a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f1efcad768ab7f085f934157ce3e5b8a90fb893344e602c93561b69edc8a4d56

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 f1efcad768ab7f085f934157ce3e5b8a90fb893344e602c93561b69edc8a4d56

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3550042/
  
Delivery method
Distributed via web download

Comments