MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9c791fb742480dc9567c320629fd1795bd584ce7cb56d2f99a5a1be42b4d70e. 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

SHA256 hash: f9c791fb742480dc9567c320629fd1795bd584ce7cb56d2f99a5a1be42b4d70e
SHA3-384 hash: 651134b67ca2e755bf22e422aec816281335d75601f81e7d4d66351544305aa1c2c86446b7f421260105a9140c878ad9
SHA1 hash: 8e56a036200046b268a9cba2c98bfdb6a8b7148b
MD5 hash: adb49921a382387a233d388baff5a1a0
humanhash: hamper-fillet-freddie-aspen
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-07-14 18:09:37 UTC
Last seen:2025-07-15 01:57:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T1EDA41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
16
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit gcc
Status:
terminated
Behavior Graph:
%3 guuid=e575701b-1b00-0000-c264-c16f04090000 pid=2308 /usr/bin/sudo guuid=39545f1d-1b00-0000-c264-c16f07090000 pid=2311 /tmp/sample.bin guuid=e575701b-1b00-0000-c264-c16f04090000 pid=2308->guuid=39545f1d-1b00-0000-c264-c16f07090000 pid=2311 execve guuid=51cc7e1d-1b00-0000-c264-c16f09090000 pid=2313 /usr/bin/dash guuid=39545f1d-1b00-0000-c264-c16f07090000 pid=2311->guuid=51cc7e1d-1b00-0000-c264-c16f09090000 pid=2313 execve guuid=9ec6ac1d-1b00-0000-c264-c16f0b090000 pid=2315 /usr/bin/dash guuid=39545f1d-1b00-0000-c264-c16f07090000 pid=2311->guuid=9ec6ac1d-1b00-0000-c264-c16f0b090000 pid=2315 execve guuid=74160b1e-1b00-0000-c264-c16f0f090000 pid=2319 /tmp/sample.bin mprotect-exec zombie guuid=39545f1d-1b00-0000-c264-c16f07090000 pid=2311->guuid=74160b1e-1b00-0000-c264-c16f0f090000 pid=2319 clone guuid=a70be21d-1b00-0000-c264-c16f0c090000 pid=2316 /usr/bin/dash guuid=9ec6ac1d-1b00-0000-c264-c16f0b090000 pid=2315->guuid=a70be21d-1b00-0000-c264-c16f0c090000 pid=2316 clone guuid=27ade91d-1b00-0000-c264-c16f0d090000 pid=2317 /usr/bin/dash guuid=9ec6ac1d-1b00-0000-c264-c16f0b090000 pid=2315->guuid=27ade91d-1b00-0000-c264-c16f0d090000 pid=2317 clone guuid=437a0c24-1b00-0000-c264-c16f1b090000 pid=2331 /tmp/sample.bin zombie guuid=74160b1e-1b00-0000-c264-c16f0f090000 pid=2319->guuid=437a0c24-1b00-0000-c264-c16f1b090000 pid=2331 clone guuid=f2f21324-1b00-0000-c264-c16f1c090000 pid=2332 /tmp/sample.bin guuid=437a0c24-1b00-0000-c264-c16f1b090000 pid=2331->guuid=f2f21324-1b00-0000-c264-c16f1c090000 pid=2332 clone guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333 /tmp/sample.bin dns net net-scan send-data guuid=f2f21324-1b00-0000-c264-c16f1c090000 pid=2332->guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 87df2e6d-c270-550f-a2db-eacc086343b3 31.200.249.233:31759 guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->87df2e6d-c270-550f-a2db-eacc086343b3 send: 68B a5c97006-2fae-5f98-b719-7a76136fecb9 31.200.249.130:31758 guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->a5c97006-2fae-5f98-b719-7a76136fecb9 send: 68B 56c6d6fc-2b8a-5cc5-b4f1-14a73d69bb14 89.207.221.162:44215 guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->56c6d6fc-2b8a-5cc5-b4f1-14a73d69bb14 send: 68B 999ed932-1045-5f0c-872d-36a90d0f767a 43.153.83.59:44215 guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->999ed932-1045-5f0c-872d-36a90d0f767a con 7fccccb2-a1ce-5ff9-84ce-c13185b8c5e1 78.139.81.235:44215 guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->7fccccb2-a1ce-5ff9-84ce-c13185b8c5e1 con guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333|send-data send-data to 299 IP addresses review logs to see them all guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333->guuid=eedb1a24-1b00-0000-c264-c16f1d090000 pid=2333|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: 1736421 Sample: amd64.elf Startdate: 14/07/2025 Architecture: LINUX Score: 64 38 185.177.124.148, 6881, 6889 WORLDSTREAMNL Netherlands 2->38 40 109.74.128.242, 6881 WESTCALL-ASRU Russian Federation 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 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.YMr6dt, 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:
2025-07-14 18:10:35 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 f9c791fb742480dc9567c320629fd1795bd584ce7cb56d2f99a5a1be42b4d70e

(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