MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4a787c7af3737969fea8f41301359e086ae746db868b950098f565f62cccb88. 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

SHA256 hash: d4a787c7af3737969fea8f41301359e086ae746db868b950098f565f62cccb88
SHA3-384 hash: 4ef5ded2f5810d5e98c1bb1c655e53604b25276e25b36a57b3ef25096302c952b726c5da75617e9441dc95e8c7263af4
SHA1 hash: 2aead59b832571fc32b8f03eec857d39ca85f9eb
MD5 hash: 2560bdf29f7d9ad72d40860a2a07bf0f
humanhash: artist-carolina-arizona-illinois
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-28 23:19:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T1EAA41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6198F7322B3AE601B1AA55
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 :
128
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 exploit gcc lolbin remote
Status:
terminated
Behavior Graph:
%3 guuid=a8c63128-1900-0000-1eca-a8c7800a0000 pid=2688 /usr/bin/sudo guuid=4318782b-1900-0000-1eca-a8c78c0a0000 pid=2700 /tmp/sample.bin guuid=a8c63128-1900-0000-1eca-a8c7800a0000 pid=2688->guuid=4318782b-1900-0000-1eca-a8c78c0a0000 pid=2700 execve guuid=cf6d922b-1900-0000-1eca-a8c78d0a0000 pid=2701 /usr/bin/dash guuid=4318782b-1900-0000-1eca-a8c78c0a0000 pid=2700->guuid=cf6d922b-1900-0000-1eca-a8c78d0a0000 pid=2701 execve guuid=5f66c12b-1900-0000-1eca-a8c78f0a0000 pid=2703 /usr/bin/dash guuid=4318782b-1900-0000-1eca-a8c78c0a0000 pid=2700->guuid=5f66c12b-1900-0000-1eca-a8c78f0a0000 pid=2703 execve guuid=998cf72b-1900-0000-1eca-a8c7930a0000 pid=2707 /tmp/sample.bin mprotect-exec zombie guuid=4318782b-1900-0000-1eca-a8c78c0a0000 pid=2700->guuid=998cf72b-1900-0000-1eca-a8c7930a0000 pid=2707 clone guuid=8219e32b-1900-0000-1eca-a8c7900a0000 pid=2704 /usr/bin/dash guuid=5f66c12b-1900-0000-1eca-a8c78f0a0000 pid=2703->guuid=8219e32b-1900-0000-1eca-a8c7900a0000 pid=2704 clone guuid=431fe92b-1900-0000-1eca-a8c7910a0000 pid=2705 /usr/bin/dash guuid=5f66c12b-1900-0000-1eca-a8c78f0a0000 pid=2703->guuid=431fe92b-1900-0000-1eca-a8c7910a0000 pid=2705 clone guuid=774cdf2f-1900-0000-1eca-a8c7a10a0000 pid=2721 /tmp/sample.bin zombie guuid=998cf72b-1900-0000-1eca-a8c7930a0000 pid=2707->guuid=774cdf2f-1900-0000-1eca-a8c7a10a0000 pid=2721 clone guuid=4f6fe82f-1900-0000-1eca-a8c7a20a0000 pid=2722 /tmp/sample.bin guuid=774cdf2f-1900-0000-1eca-a8c7a10a0000 pid=2721->guuid=4f6fe82f-1900-0000-1eca-a8c7a20a0000 pid=2722 clone guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724 /tmp/sample.bin dns net net-scan send-data guuid=4f6fe82f-1900-0000-1eca-a8c7a20a0000 pid=2722->guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 4264a5ea-bcf7-5be5-af5c-3baa05a038e6 114.45.38.96:23259 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->4264a5ea-bcf7-5be5-af5c-3baa05a038e6 con 3838fa8c-6f55-50d4-b20c-99ad3986c01a 46.239.216.224:51452 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->3838fa8c-6f55-50d4-b20c-99ad3986c01a con c670fc95-b9e8-55c7-af35-afbde4bd8783 99.62.112.135:50215 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->c670fc95-b9e8-55c7-af35-afbde4bd8783 send: 68B 3e534d42-f731-581a-b2ac-935c4b083e61 99.62.112.135:50201 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->3e534d42-f731-581a-b2ac-935c4b083e61 send: 68B 8da729b1-f172-50c8-b31b-656318f2d860 111.229.165.155:51452 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->8da729b1-f172-50c8-b31b-656318f2d860 send: 68B cd52227f-3aea-53dd-aed4-ef2cbb059785 76.155.169.121:51452 guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->cd52227f-3aea-53dd-aed4-ef2cbb059785 con guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724|send-data send-data to 315 IP addresses review logs to see them all guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724->guuid=3619fb2f-1900-0000-1eca-a8c7a40a0000 pid=2724|send-data send
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
64 / 100
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1724823 Sample: amd64.elf Startdate: 29/06/2025 Architecture: LINUX Score: 64 42 122.10.248.210, 60020 ZNETUS Singapore 2->42 44 221.167.228.151, 33150, 6881 YSU-AS-KRyoungsanuniversityKR Korea Republic of 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 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.doVk9j, ASCII 23->40 dropped 56 Sample tries to persist itself using cron 23->56 58 Executes the "crontab" command typically for achieving persistence 23->58 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
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-06-28 23:20:32 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
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
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
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
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 d4a787c7af3737969fea8f41301359e086ae746db868b950098f565f62cccb88

(this sample)

  
Delivery method
Distributed via web download

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