MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d40037135860711adfe32d640f40b5b4a2a2f7cb5dae6dcc8670bcde207a8b9d. 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: d40037135860711adfe32d640f40b5b4a2a2f7cb5dae6dcc8670bcde207a8b9d
SHA3-384 hash: 9feda3c8260162051c72197d70bf46c53f5b4409d2ce196b98e469da2591c6faaddb26a707747eaa8ad9d523cde73122
SHA1 hash: d4d6239e1a31dc9d4a6124847fc350f086d6b16a
MD5 hash: cb5797c8f27e29016859d43c95ecfe33
humanhash: oklahoma-eight-jupiter-table
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-16 11:13:34 UTC
Last seen:2025-06-16 20:34:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T1FEA41212E290D8FEC4DAC170429FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
83
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:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684ffc978bd5d68a12e8ca7blinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a1817b00-101c-4301-8680-432cacd3efce
Behavior Graph:
Download SVG
%3 guuid=a4f1b6be-1800-0000-27ba-f5808f080000 pid=2191 /usr/bin/sudo guuid=316bc4c1-1800-0000-27ba-f5809b080000 pid=2203 /tmp/sample.bin guuid=a4f1b6be-1800-0000-27ba-f5808f080000 pid=2191->guuid=316bc4c1-1800-0000-27ba-f5809b080000 pid=2203 execve guuid=8075ebc1-1800-0000-27ba-f5809c080000 pid=2204 /usr/bin/dash guuid=316bc4c1-1800-0000-27ba-f5809b080000 pid=2203->guuid=8075ebc1-1800-0000-27ba-f5809c080000 pid=2204 execve guuid=9245a1c2-1800-0000-27ba-f5809e080000 pid=2206 /usr/bin/dash guuid=316bc4c1-1800-0000-27ba-f5809b080000 pid=2203->guuid=9245a1c2-1800-0000-27ba-f5809e080000 pid=2206 execve guuid=a0e51cc3-1800-0000-27ba-f580a2080000 pid=2210 /tmp/sample.bin mprotect-exec zombie guuid=316bc4c1-1800-0000-27ba-f5809b080000 pid=2203->guuid=a0e51cc3-1800-0000-27ba-f580a2080000 pid=2210 clone guuid=2fe9cec2-1800-0000-27ba-f5809f080000 pid=2207 /usr/bin/dash guuid=9245a1c2-1800-0000-27ba-f5809e080000 pid=2206->guuid=2fe9cec2-1800-0000-27ba-f5809f080000 pid=2207 clone guuid=12dedfc2-1800-0000-27ba-f580a0080000 pid=2208 /usr/bin/dash guuid=9245a1c2-1800-0000-27ba-f5809e080000 pid=2206->guuid=12dedfc2-1800-0000-27ba-f580a0080000 pid=2208 clone guuid=fd3477c7-1800-0000-27ba-f580b3080000 pid=2227 /tmp/sample.bin zombie guuid=a0e51cc3-1800-0000-27ba-f580a2080000 pid=2210->guuid=fd3477c7-1800-0000-27ba-f580b3080000 pid=2227 clone guuid=21957fc7-1800-0000-27ba-f580b4080000 pid=2228 /tmp/sample.bin guuid=fd3477c7-1800-0000-27ba-f580b3080000 pid=2227->guuid=21957fc7-1800-0000-27ba-f580b4080000 pid=2228 clone guuid=094a88c7-1800-0000-27ba-f580b5080000 pid=2229 /tmp/sample.bin dns net net-scan send-data guuid=21957fc7-1800-0000-27ba-f580b4080000 pid=2228->guuid=094a88c7-1800-0000-27ba-f580b5080000 pid=2229 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=094a88c7-1800-0000-27ba-f580b5080000 pid=2229->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=094a88c7-1800-0000-27ba-f580b5080000 pid=2229->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B guuid=094a88c7-1800-0000-27ba-f580b5080000 pid=2229|send-data send-data to 285 IP addresses review logs to see them all guuid=094a88c7-1800-0000-27ba-f580b5080000 pid=2229->guuid=094a88c7-1800-0000-27ba-f580b5080000 pid=2229|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7a3d7dea-7579-48fd-9a77-5e3fbade1ad5
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1715353
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 scans a subnet
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1715353 Sample: amd64.elf Startdate: 16/06/2025 Architecture: LINUX Score: 72 38 45.169.255.141, 16809 PETROVSKIGALLESERVICOSDETELECOMUNICACOESLTDBR Brazil 2->38 40 178.162.174.178, 28003, 6881 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 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 48 Sample scans a subnet 2->48 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        56 Opens /sys/class/net/* files useful for querying network interface information 14->56 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->58 25 amd64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.wAyX3i, ASCII 19->36 dropped 50 Sample tries to persist itself using cron 19->50 52 Executes the "crontab" command typically for achieving persistence 19->52 29 sh crontab 23->29         started        32 amd64.elf 25->32         started        signatures9 process10 signatures11 54 Executes the "crontab" command typically for achieving persistence 29->54 34 amd64.elf 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d40037135860711adfe32d640f40b5b4a2a2f7cb5dae6dcc8670bcde207a8b9d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d40037135860711adfe32d640f40b5b4a2a2f7cb5dae6dcc8670bcde207a8b9d/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-16 11:14:25 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qadoe2ymbyrvx7dfvsa6qfvwsrkf56llwxg3tegoc6n4id2rooq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250616-nb5pgagr2y/
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/0be3306a-a8a9-4a86-b56c-f89731124777
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/d40037135860711adfe32d640f40b5b4a2a2f7cb5dae6dcc8670bcde207a8b9d

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 d40037135860711adfe32d640f40b5b4a2a2f7cb5dae6dcc8670bcde207a8b9d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3550042/
  
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