MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3fe3442fefe8aea8f62753304241a99f92a950f028c1b1742c8b74142fc7736. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3fe3442fefe8aea8f62753304241a99f92a950f028c1b1742c8b74142fc7736
SHA3-384 hash: bec0e947cbd06bd154ff46ed140d9387fd7acd786cbcb3f61ae0b8cf954efe27890829e02ffd56999a693b7af9f35c2a
SHA1 hash: 6679da6fb7060c893e2da1308db9c10899527d1a
MD5 hash: 879941668989f5f7671daa101e415454
humanhash: hawaii-arizona-snake-march
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-07-02 11:48:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T14DA41212E290D8FEC4DAC070469FD27BFD76BC544234BC6B6198F7322B3AE601B16A55
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:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68651cb8900df8e7f8656f20linux22vpnfull_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/68651cbb7423ff017c3c0081/reports/6db61add-a2b2-4113-8dd2-cdc960ca995d/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cd963e10-dcac-4461-9990-a71fd7aa865b
Behavior Graph:
Download SVG
%3 guuid=69bdfbc5-1a00-0000-25d9-9fd08d0a0000 pid=2701 /usr/bin/sudo guuid=661410c8-1a00-0000-25d9-9fd0950a0000 pid=2709 /tmp/sample.bin guuid=69bdfbc5-1a00-0000-25d9-9fd08d0a0000 pid=2701->guuid=661410c8-1a00-0000-25d9-9fd0950a0000 pid=2709 execve guuid=471b58c8-1a00-0000-25d9-9fd0970a0000 pid=2711 /usr/bin/dash guuid=661410c8-1a00-0000-25d9-9fd0950a0000 pid=2709->guuid=471b58c8-1a00-0000-25d9-9fd0970a0000 pid=2711 execve guuid=838ce1c8-1a00-0000-25d9-9fd0990a0000 pid=2713 /usr/bin/dash guuid=661410c8-1a00-0000-25d9-9fd0950a0000 pid=2709->guuid=838ce1c8-1a00-0000-25d9-9fd0990a0000 pid=2713 execve guuid=b22975c9-1a00-0000-25d9-9fd09e0a0000 pid=2718 /tmp/sample.bin mprotect-exec zombie guuid=661410c8-1a00-0000-25d9-9fd0950a0000 pid=2709->guuid=b22975c9-1a00-0000-25d9-9fd09e0a0000 pid=2718 clone guuid=d47813c9-1a00-0000-25d9-9fd09b0a0000 pid=2715 /usr/bin/dash guuid=838ce1c8-1a00-0000-25d9-9fd0990a0000 pid=2713->guuid=d47813c9-1a00-0000-25d9-9fd09b0a0000 pid=2715 clone guuid=9f3522c9-1a00-0000-25d9-9fd09c0a0000 pid=2716 /usr/bin/dash guuid=838ce1c8-1a00-0000-25d9-9fd0990a0000 pid=2713->guuid=9f3522c9-1a00-0000-25d9-9fd09c0a0000 pid=2716 clone guuid=a2cb81ce-1a00-0000-25d9-9fd0ab0a0000 pid=2731 /tmp/sample.bin zombie guuid=b22975c9-1a00-0000-25d9-9fd09e0a0000 pid=2718->guuid=a2cb81ce-1a00-0000-25d9-9fd0ab0a0000 pid=2731 clone guuid=6c958ace-1a00-0000-25d9-9fd0ac0a0000 pid=2732 /tmp/sample.bin guuid=a2cb81ce-1a00-0000-25d9-9fd0ab0a0000 pid=2731->guuid=6c958ace-1a00-0000-25d9-9fd0ac0a0000 pid=2732 clone guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733 /tmp/sample.bin dns net net-scan send-data guuid=6c958ace-1a00-0000-25d9-9fd0ac0a0000 pid=2732->guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 393279d8-1ca5-520b-be8f-1fbecb7828dd 31.200.249.233:31747 guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733->393279d8-1ca5-520b-be8f-1fbecb7828dd send: 68B 7eb7fa0b-6a2a-5b0d-8ba4-8ca6bbf15cb7 31.200.249.233:31903 guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733->7eb7fa0b-6a2a-5b0d-8ba4-8ca6bbf15cb7 send: 68B 28a4e623-5904-5a5d-b5f9-4699e79e1d10 99.62.112.135:50205 guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733->28a4e623-5904-5a5d-b5f9-4699e79e1d10 send: 68B ed9f253d-280b-55e4-b91b-8b58285344c5 98.128.166.123:38472 guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733->ed9f253d-280b-55e4-b91b-8b58285344c5 con guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733|send-data send-data to 310 IP addresses review logs to see them all guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733->guuid=041192ce-1a00-0000-25d9-9fd0ad0a0000 pid=2733|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/02fe5ecc-5b02-4429-ba9d-7bb0acec6abc
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1727168
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: 1727168 Sample: amd64.elf Startdate: 02/07/2025 Architecture: LINUX Score: 68 42 178.162.174.173, 28016, 6881 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 2->42 44 178.162.174.43, 28004, 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.RGlO1k, 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/b3fe3442fefe8aea8f62753304241a99f92a950f028c1b1742c8b74142fc7736
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3fe3442fefe8aea8f62753304241a99f92a950f028c1b1742c8b74142fc7736/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-02 11:49:14 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wp7diqx672fovd3couzqija2th4svfipakgbwf2czc3ucqx4o43a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250702-ny346axms3/
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:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4e3c3440-d440-46f5-a664-894c9e8f159e
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/b3fe3442fefe8aea8f62753304241a99f92a950f028c1b1742c8b74142fc7736

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 b3fe3442fefe8aea8f62753304241a99f92a950f028c1b1742c8b74142fc7736

(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