MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72b5f1b28167ff3339474245a573e465d379338cc3ff0b12d46acb57d9279e74. 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

SHA256 hash: 72b5f1b28167ff3339474245a573e465d379338cc3ff0b12d46acb57d9279e74
SHA3-384 hash: 8bb1b63095396971572d909516299bb2186ebe4fe6f7ffbc029d27c97bd94df8840a425d57631e3b2f5df6308116b495
SHA1 hash: 448d2c6fd1f837c863d6abdd888a303d4827417b
MD5 hash: 15d6375b133197f554d2d002c64673ce
humanhash: pennsylvania-cup-december-early
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-20 16:45:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T172A41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
73
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Status:
terminated
Behavior Graph:
%3 guuid=341ea561-1a00-0000-0358-8a672b0b0000 pid=2859 /usr/bin/sudo guuid=cd0edb63-1a00-0000-0358-8a67320b0000 pid=2866 /tmp/sample.bin guuid=341ea561-1a00-0000-0358-8a672b0b0000 pid=2859->guuid=cd0edb63-1a00-0000-0358-8a67320b0000 pid=2866 execve guuid=885eff63-1a00-0000-0358-8a67330b0000 pid=2867 /usr/bin/dash guuid=cd0edb63-1a00-0000-0358-8a67320b0000 pid=2866->guuid=885eff63-1a00-0000-0358-8a67330b0000 pid=2867 execve guuid=c5155964-1a00-0000-0358-8a67350b0000 pid=2869 /usr/bin/dash guuid=cd0edb63-1a00-0000-0358-8a67320b0000 pid=2866->guuid=c5155964-1a00-0000-0358-8a67350b0000 pid=2869 execve guuid=6657bc64-1a00-0000-0358-8a673a0b0000 pid=2874 /tmp/sample.bin mprotect-exec zombie guuid=cd0edb63-1a00-0000-0358-8a67320b0000 pid=2866->guuid=6657bc64-1a00-0000-0358-8a673a0b0000 pid=2874 clone guuid=cbcf9864-1a00-0000-0358-8a67370b0000 pid=2871 /usr/bin/dash guuid=c5155964-1a00-0000-0358-8a67350b0000 pid=2869->guuid=cbcf9864-1a00-0000-0358-8a67370b0000 pid=2871 clone guuid=47b1a064-1a00-0000-0358-8a67380b0000 pid=2872 /usr/bin/dash guuid=c5155964-1a00-0000-0358-8a67350b0000 pid=2869->guuid=47b1a064-1a00-0000-0358-8a67380b0000 pid=2872 clone guuid=bf010469-1a00-0000-0358-8a67470b0000 pid=2887 /tmp/sample.bin zombie guuid=6657bc64-1a00-0000-0358-8a673a0b0000 pid=2874->guuid=bf010469-1a00-0000-0358-8a67470b0000 pid=2887 clone guuid=c7f00c69-1a00-0000-0358-8a67480b0000 pid=2888 /tmp/sample.bin guuid=bf010469-1a00-0000-0358-8a67470b0000 pid=2887->guuid=c7f00c69-1a00-0000-0358-8a67480b0000 pid=2888 clone guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890 /tmp/sample.bin dns net net-scan send-data guuid=c7f00c69-1a00-0000-0358-8a67480b0000 pid=2888->guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B a8f585ee-b1cd-54eb-bc59-0ac6877d8c47 31.200.249.178:31947 guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890->a8f585ee-b1cd-54eb-bc59-0ac6877d8c47 send: 68B guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890|send-data send-data to 249 IP addresses review logs to see them all guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890->guuid=39fc1569-1a00-0000-0358-8a674a0b0000 pid=2890|send-data send
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
60 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
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: 1719504 Sample: amd64.elf Startdate: 20/06/2025 Architecture: LINUX Score: 60 38 50.39.254.245, 1024 ZIPLY-FIBER-LEGACY-ASNUS United States 2->38 40 221.167.213.146, 6881, 7968 YSU-AS-KRyoungsanuniversityKR Korea Republic of 2->40 42 102 other IPs or domains 2->42 44 Connects to many ports of the same IP (likely port scanning) 2->44 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        52 Opens /sys/class/net/* files useful for querying network interface information 14->52 54 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->54 25 amd64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.c79xYi, ASCII 19->36 dropped 46 Sample tries to persist itself using cron 19->46 48 Executes the "crontab" command typically for achieving persistence 19->48 29 sh crontab 23->29         started        32 amd64.elf 25->32         started        signatures9 process10 signatures11 50 Executes the "crontab" command typically for achieving persistence 29->50 34 amd64.elf 32->34         started        process12
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-06-20 20:10:17 UTC
AV detection:
14 of 24 (58.33%)
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 72b5f1b28167ff3339474245a573e465d379338cc3ff0b12d46acb57d9279e74

(this sample)

  
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