MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc3b2784b538b66990207927756cc5069c1e9b9a3b626ab478f03caa82714a5b. 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 3 File information Comments

SHA256 hash: dc3b2784b538b66990207927756cc5069c1e9b9a3b626ab478f03caa82714a5b
SHA3-384 hash: 607e5a186bc36af05e6f4106d8dc5804f9afa6fa17e48593c61cd59a5ed2ca024926f26582a9c217e2dfe65d9cd3dfdd
SHA1 hash: b35b458f3dd5dae047b94307f1e85deae2cbdd85
MD5 hash: 60a429fee3f47f083c089e2f702b377d
humanhash: black-don-alpha-yankee
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-07-04 16:31:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T123C42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
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 :
8
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Locks files
Creates directories
Changes the time when the file was created, accessed, or modified
Creating a process from a recently created file
Opens a port
Creating a file in the %temp% directory
Collects information on the CPU
DNS request
Runs as daemon
Creating a file
Changes access rights for a written file
Sends data to a server
Connection attempt
Launching a process
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc
Status:
terminated
Behavior Graph:
%3 guuid=9eb41342-1900-0000-c40c-6231af0e0000 pid=3759 /usr/bin/sudo guuid=ca1ef943-1900-0000-c40c-6231b90e0000 pid=3769 /root/.sys/configuration guuid=9eb41342-1900-0000-c40c-6231af0e0000 pid=3759->guuid=ca1ef943-1900-0000-c40c-6231b90e0000 pid=3769 execve guuid=a6fd1d44-1900-0000-c40c-6231bb0e0000 pid=3771 /usr/bin/dash guuid=ca1ef943-1900-0000-c40c-6231b90e0000 pid=3769->guuid=a6fd1d44-1900-0000-c40c-6231bb0e0000 pid=3771 execve guuid=00b15444-1900-0000-c40c-6231bd0e0000 pid=3773 /usr/bin/dash guuid=ca1ef943-1900-0000-c40c-6231b90e0000 pid=3769->guuid=00b15444-1900-0000-c40c-6231bd0e0000 pid=3773 execve guuid=22c0ec44-1900-0000-c40c-6231c30e0000 pid=3779 /root/.sys/configuration zombie guuid=ca1ef943-1900-0000-c40c-6231b90e0000 pid=3769->guuid=22c0ec44-1900-0000-c40c-6231c30e0000 pid=3779 clone guuid=7759be44-1900-0000-c40c-6231c00e0000 pid=3776 /usr/bin/dash guuid=00b15444-1900-0000-c40c-6231bd0e0000 pid=3773->guuid=7759be44-1900-0000-c40c-6231c00e0000 pid=3776 clone guuid=dec8cb44-1900-0000-c40c-6231c10e0000 pid=3777 /usr/bin/dash guuid=00b15444-1900-0000-c40c-6231bd0e0000 pid=3773->guuid=dec8cb44-1900-0000-c40c-6231c10e0000 pid=3777 clone guuid=cf89604a-1900-0000-c40c-6231e40e0000 pid=3812 /root/.sys/configuration guuid=22c0ec44-1900-0000-c40c-6231c30e0000 pid=3779->guuid=cf89604a-1900-0000-c40c-6231e40e0000 pid=3812 clone guuid=fb296f4a-1900-0000-c40c-6231e50e0000 pid=3813 /root/.sys/configuration guuid=cf89604a-1900-0000-c40c-6231e40e0000 pid=3812->guuid=fb296f4a-1900-0000-c40c-6231e50e0000 pid=3813 clone guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814 /root/.sys/configuration dns net net-scan send-data guuid=fb296f4a-1900-0000-c40c-6231e50e0000 pid=3813->guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 70041113-827e-589b-8f01-a625e67a2079 31.200.249.146:31966 guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814->70041113-827e-589b-8f01-a625e67a2079 send: 68B 94a6a367-4bb0-5a5d-866f-ec60fdb81cef 24.180.129.98:58503 guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814->94a6a367-4bb0-5a5d-866f-ec60fdb81cef send: 68B guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814|send-data send-data to 314 IP addresses review logs to see them all guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814->guuid=ff628b4a-1900-0000-c40c-6231e60e0000 pid=3814|send-data send
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
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 tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1728916 Sample: i686.elf Startdate: 04/07/2025 Architecture: LINUX Score: 68 44 31.200.249.178, 31785, 43788 NETRACK-ASRU Russian Federation 2->44 46 172.96.121.2, 6880, 6881 ZNETUS United States 2->46 48 102 other IPs or domains 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Connects to many ports of the same IP (likely port scanning) 2->52 10 i686.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash cut 2->14         started        16 8 other processes 2->16 signatures3 process4 process5 18 i686.elf sh 10->18         started        20 configuration 10->20         started        23 i686.elf sh 10->23         started        signatures6 25 sh crontab 18->25         started        29 sh 18->29         started        56 Opens /sys/class/net/* files useful for querying network interface information 20->56 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 20->58 31 configuration 20->31         started        33 sh crontab 23->33         started        process7 file8 42 /var/spool/cron/crontabs/tmp.rAasuY, ASCII 25->42 dropped 60 Sample tries to persist itself using cron 25->60 62 Executes the "crontab" command typically for achieving persistence 25->62 35 sh crontab 29->35         started        38 configuration 31->38         started        signatures9 process10 signatures11 54 Executes the "crontab" command typically for achieving persistence 35->54 40 configuration 38->40         started        process12
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-07-04 16:32:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
execution linux persistence privilege_escalation rootkit
Behaviour
Creates/modifies Cron job
Loads a kernel module
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: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 dc3b2784b538b66990207927756cc5069c1e9b9a3b626ab478f03caa82714a5b

(this sample)

  
Delivery method
Distributed via web download

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