MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbf8ecc9b72b835cc15a663becb3bf076fa79a6fb6a3a1a8d716b52f35e9949e. 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: fbf8ecc9b72b835cc15a663becb3bf076fa79a6fb6a3a1a8d716b52f35e9949e
SHA3-384 hash: fc75bae0ad419d6173be9384c2b24f21a456149757e11574300aa8651b1703613969381a53f1e301d0b71c5472517435
SHA1 hash: 455cc47224d427b6cce59ac9136f9b0c8f7d528e
MD5 hash: d0f2e3d8a733327bf08118fa521dd781
humanhash: ink-carolina-carolina-mississippi
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-07-07 17:59:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T1D1A41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6198F7322B3AE601B16A55
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=686c0b01900df8e7f8686213linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote similar-threat
Link:
https://www.filescan.io/uploads/686c0af8469cec4249ad0976/reports/1d886ab9-948b-4e86-828a-0ff96268836a/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ffd68a11-7b4a-49ce-ae33-e99d3c493f4f
Behavior Graph:
Download SVG
%3 guuid=fd809b4a-1700-0000-2aa0-74b45a0a0000 pid=2650 /usr/bin/sudo guuid=8b11544c-1700-0000-2aa0-74b4610a0000 pid=2657 /tmp/sample.bin guuid=fd809b4a-1700-0000-2aa0-74b45a0a0000 pid=2650->guuid=8b11544c-1700-0000-2aa0-74b4610a0000 pid=2657 execve guuid=bf876a4c-1700-0000-2aa0-74b4620a0000 pid=2658 /usr/bin/dash guuid=8b11544c-1700-0000-2aa0-74b4610a0000 pid=2657->guuid=bf876a4c-1700-0000-2aa0-74b4620a0000 pid=2658 execve guuid=5d97a84c-1700-0000-2aa0-74b4640a0000 pid=2660 /usr/bin/dash guuid=8b11544c-1700-0000-2aa0-74b4610a0000 pid=2657->guuid=5d97a84c-1700-0000-2aa0-74b4640a0000 pid=2660 execve guuid=f8f4ee4c-1700-0000-2aa0-74b4680a0000 pid=2664 /tmp/sample.bin mprotect-exec zombie guuid=8b11544c-1700-0000-2aa0-74b4610a0000 pid=2657->guuid=f8f4ee4c-1700-0000-2aa0-74b4680a0000 pid=2664 clone guuid=33a9ce4c-1700-0000-2aa0-74b4660a0000 pid=2662 /usr/bin/dash guuid=5d97a84c-1700-0000-2aa0-74b4640a0000 pid=2660->guuid=33a9ce4c-1700-0000-2aa0-74b4660a0000 pid=2662 clone guuid=3b2ad34c-1700-0000-2aa0-74b4670a0000 pid=2663 /usr/bin/dash guuid=5d97a84c-1700-0000-2aa0-74b4640a0000 pid=2660->guuid=3b2ad34c-1700-0000-2aa0-74b4670a0000 pid=2663 clone guuid=7e14fb4f-1700-0000-2aa0-74b4760a0000 pid=2678 /tmp/sample.bin zombie guuid=f8f4ee4c-1700-0000-2aa0-74b4680a0000 pid=2664->guuid=7e14fb4f-1700-0000-2aa0-74b4760a0000 pid=2678 clone guuid=5d9a0350-1700-0000-2aa0-74b4770a0000 pid=2679 /tmp/sample.bin guuid=7e14fb4f-1700-0000-2aa0-74b4760a0000 pid=2678->guuid=5d9a0350-1700-0000-2aa0-74b4770a0000 pid=2679 clone guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680 /tmp/sample.bin dns net net-scan send-data guuid=5d9a0350-1700-0000-2aa0-74b4770a0000 pid=2679->guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B d53f297a-5c1e-597f-9c00-80d828c7bc5b 31.200.249.178:31797 guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680->d53f297a-5c1e-597f-9c00-80d828c7bc5b send: 68B guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680|send-data send-data to 250 IP addresses review logs to see them all guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680->guuid=193e0950-1700-0000-2aa0-74b4780a0000 pid=2680|send-data send
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1730326
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: 1730326 Sample: amd64.elf Startdate: 07/07/2025 Architecture: LINUX Score: 68 42 31.200.249.162, 31796, 35382 NETRACK-ASRU Russian Federation 2->42 44 188.134.79.161, 6881 ZTELECOM-ASRU Russian Federation 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 56 Connects to many ports of the same IP (likely port scanning) 2->56 10 amd64.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 amd64.elf sh 10->16         started        18 amd64.elf 10->18         started        21 amd64.elf sh 10->21         started        signatures6 23 sh crontab 16->23         started        27 sh 16->27         started        50 Opens /sys/class/net/* files useful for querying network interface information 18->50 52 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->52 29 amd64.elf 18->29         started        31 sh crontab 21->31         started        process7 file8 40 /var/spool/cron/crontabs/tmp.y2zHqe, ASCII 23->40 dropped 58 Sample tries to persist itself using cron 23->58 60 Executes the "crontab" command typically for achieving persistence 23->60 33 sh crontab 27->33         started        36 amd64.elf 29->36         started        signatures9 process10 signatures11 48 Executes the "crontab" command typically for achieving persistence 33->48 38 amd64.elf 36->38         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fbf8ecc9b72b835cc15a663becb3bf076fa79a6fb6a3a1a8d716b52f35e9949e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fbf8ecc9b72b835cc15a663becb3bf076fa79a6fb6a3a1a8d716b52f35e9949e/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-07 18:00:30 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7p4ozsnxfobvzqk2my56zm57a5x2pgtpw2r2dkgxc22s6npjsspa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250707-wkvjvsxycy/
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/802598cd-cc7e-492e-b8b3-8e3871f510a3
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/fbf8ecc9b72b835cc15a663becb3bf076fa79a6fb6a3a1a8d716b52f35e9949e

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 fbf8ecc9b72b835cc15a663becb3bf076fa79a6fb6a3a1a8d716b52f35e9949e

(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