MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6bf1d087e9502da8659e77d71160b64cafca7e5d561264e6ff1ef5d0d8159bd. 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: a6bf1d087e9502da8659e77d71160b64cafca7e5d561264e6ff1ef5d0d8159bd
SHA3-384 hash: 3e93097cdbd879208e3daac6812d581b793213449f9b76b355831a2a7c9f373396c630b4255c6bcaf06c7cc75ee7eca9
SHA1 hash: f582507956d14fe7818d89c40fa3efb1e07d12b1
MD5 hash: 1d7276b8f17e3d24becfa1af6d396e04
humanhash: enemy-fourteen-oscar-fillet
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-07-11 18:10:26 UTC
Last seen:2025-07-12 01:32:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T153A41212E290D8FEC4DAC070469FD27BFD76BC544234BC6B6198F7322B3AE601B16A55
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 :
2
# 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=687153cac9eb974737686c83linux22vpnfull_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/687153cb30bf7333233777fc/reports/8b70c2f2-2219-4e2e-a57d-4e6dcf385869/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f1c8103a-5cd3-4b60-b983-ab15743941da
Behavior Graph:
Download SVG
%3 guuid=674a84c5-1700-0000-07cb-a620310d0000 pid=3377 /usr/bin/sudo guuid=ec8df7c6-1700-0000-07cb-a620380d0000 pid=3384 /tmp/sample.bin guuid=674a84c5-1700-0000-07cb-a620310d0000 pid=3377->guuid=ec8df7c6-1700-0000-07cb-a620380d0000 pid=3384 execve guuid=b0350ac7-1700-0000-07cb-a620390d0000 pid=3385 /usr/bin/dash guuid=ec8df7c6-1700-0000-07cb-a620380d0000 pid=3384->guuid=b0350ac7-1700-0000-07cb-a620390d0000 pid=3385 execve guuid=b3a036c7-1700-0000-07cb-a6203b0d0000 pid=3387 /usr/bin/dash guuid=ec8df7c6-1700-0000-07cb-a620380d0000 pid=3384->guuid=b3a036c7-1700-0000-07cb-a6203b0d0000 pid=3387 execve guuid=62ec76c7-1700-0000-07cb-a6203f0d0000 pid=3391 /tmp/sample.bin mprotect-exec zombie guuid=ec8df7c6-1700-0000-07cb-a620380d0000 pid=3384->guuid=62ec76c7-1700-0000-07cb-a6203f0d0000 pid=3391 clone guuid=a17d5bc7-1700-0000-07cb-a6203c0d0000 pid=3388 /usr/bin/dash guuid=b3a036c7-1700-0000-07cb-a6203b0d0000 pid=3387->guuid=a17d5bc7-1700-0000-07cb-a6203c0d0000 pid=3388 clone guuid=cb2161c7-1700-0000-07cb-a6203d0d0000 pid=3389 /usr/bin/dash guuid=b3a036c7-1700-0000-07cb-a6203b0d0000 pid=3387->guuid=cb2161c7-1700-0000-07cb-a6203d0d0000 pid=3389 clone guuid=7d717acd-1700-0000-07cb-a620520d0000 pid=3410 /tmp/sample.bin zombie guuid=62ec76c7-1700-0000-07cb-a6203f0d0000 pid=3391->guuid=7d717acd-1700-0000-07cb-a620520d0000 pid=3410 clone guuid=85dc86cd-1700-0000-07cb-a620540d0000 pid=3412 /tmp/sample.bin guuid=7d717acd-1700-0000-07cb-a620520d0000 pid=3410->guuid=85dc86cd-1700-0000-07cb-a620540d0000 pid=3412 clone guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413 /tmp/sample.bin dns net net-scan send-data guuid=85dc86cd-1700-0000-07cb-a620540d0000 pid=3412->guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 32e1fa42-35df-549e-9fea-bda3a06307c2 37.27.113.233:46205 guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413->32e1fa42-35df-549e-9fea-bda3a06307c2 send: 68B f8e4a502-ed54-5442-a060-6b7e36b66f35 91.235.144.95:46205 guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413->f8e4a502-ed54-5442-a060-6b7e36b66f35 con guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413|send-data send-data to 281 IP addresses review logs to see them all guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413->guuid=45a68ccd-1700-0000-07cb-a620550d0000 pid=3413|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e3611e9a-720b-4edf-9a05-234ce8ed63c7
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1734173
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: 1734173 Sample: amd64.elf Startdate: 11/07/2025 Architecture: LINUX Score: 68 42 178.162.174.178, 28003, 6881 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 2->42 44 178.162.174.41, 28005, 6881 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 56 Sample scans a subnet 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.Pq6Ful, 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/a6bf1d087e9502da8659e77d71160b64cafca7e5d561264e6ff1ef5d0d8159bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6bf1d087e9502da8659e77d71160b64cafca7e5d561264e6ff1ef5d0d8159bd/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 18:11:20 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=u27r2cd6subnvbsz456xcfqlmtfpzj7f2vqsmttp6hxv2dmblg6q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250711-wsrsyabr8t/
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/ea3e10c7-5d10-4963-adc5-ef25f11c7a01
Please note that we are no longer able to provide a coverage score for Virus Total.

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 a6bf1d087e9502da8659e77d71160b64cafca7e5d561264e6ff1ef5d0d8159bd

(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