MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d87d581144ee0f37fbaa13d8e88e808b753f114ca33013ef0fd83137bbfed9bd. 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: d87d581144ee0f37fbaa13d8e88e808b753f114ca33013ef0fd83137bbfed9bd
SHA3-384 hash: e8dccad32cbbdf60ca4d5ea0aed19b5425b39747f5b8029bf3391804cf562afa2c4abe3bd065254fcdd43040287e3b65
SHA1 hash: 2c2eebaa1f0cfa3f24a45a73f5bfa067d465eddd
MD5 hash: 0cea72dfe1f74fb511f8d19d96da662f
humanhash: low-winter-leopard-virginia
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-07-13 17:12:51 UTC
Last seen:2025-07-14 10:50:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T153C42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
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 :
14
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creates directories
Changes access rights for a written file
Locks files
Changes the time when the file was created, accessed, or modified
Creating a process from a recently created file
Collects information on the CPU
Receives data from a server
Creating a file
Runs as daemon
Creating a file in the %temp% directory
Opens a port
Launching a process
Sends data to a server
Connection attempt
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc rust
Status:
terminated
Behavior Graph:
%3 guuid=b5a10e16-1700-0000-1ea6-8eca3c0d0000 pid=3388 /usr/bin/sudo guuid=375d2218-1700-0000-1ea6-8eca440d0000 pid=3396 /root/.sys/configuration guuid=b5a10e16-1700-0000-1ea6-8eca3c0d0000 pid=3388->guuid=375d2218-1700-0000-1ea6-8eca440d0000 pid=3396 execve guuid=ed8c4618-1700-0000-1ea6-8eca450d0000 pid=3397 /usr/bin/dash guuid=375d2218-1700-0000-1ea6-8eca440d0000 pid=3396->guuid=ed8c4618-1700-0000-1ea6-8eca450d0000 pid=3397 execve guuid=150e9318-1700-0000-1ea6-8eca470d0000 pid=3399 /usr/bin/dash guuid=375d2218-1700-0000-1ea6-8eca440d0000 pid=3396->guuid=150e9318-1700-0000-1ea6-8eca470d0000 pid=3399 execve guuid=763bfa18-1700-0000-1ea6-8eca4b0d0000 pid=3403 /root/.sys/configuration zombie guuid=375d2218-1700-0000-1ea6-8eca440d0000 pid=3396->guuid=763bfa18-1700-0000-1ea6-8eca4b0d0000 pid=3403 clone guuid=9cf3c018-1700-0000-1ea6-8eca480d0000 pid=3400 /usr/bin/dash guuid=150e9318-1700-0000-1ea6-8eca470d0000 pid=3399->guuid=9cf3c018-1700-0000-1ea6-8eca480d0000 pid=3400 clone guuid=a555c618-1700-0000-1ea6-8eca490d0000 pid=3401 /usr/bin/dash guuid=150e9318-1700-0000-1ea6-8eca470d0000 pid=3399->guuid=a555c618-1700-0000-1ea6-8eca490d0000 pid=3401 clone guuid=1407861e-1700-0000-1ea6-8eca620d0000 pid=3426 /root/.sys/configuration guuid=763bfa18-1700-0000-1ea6-8eca4b0d0000 pid=3403->guuid=1407861e-1700-0000-1ea6-8eca620d0000 pid=3426 clone guuid=1d54921e-1700-0000-1ea6-8eca630d0000 pid=3427 /root/.sys/configuration guuid=1407861e-1700-0000-1ea6-8eca620d0000 pid=3426->guuid=1d54921e-1700-0000-1ea6-8eca630d0000 pid=3427 clone guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428 /root/.sys/configuration dns net net-scan send-data guuid=1d54921e-1700-0000-1ea6-8eca630d0000 pid=3427->guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 7f44ad9a-d05a-568d-9528-3e9796e59a54 78.99.66.11:38724 guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428->7f44ad9a-d05a-568d-9528-3e9796e59a54 con b031a1e0-2adc-5d90-a8f6-c465d9410d86 212.3.142.38:38724 guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428->b031a1e0-2adc-5d90-a8f6-c465d9410d86 con cd257594-03d5-5d2e-9885-5a2c84fecf0f 121.124.159.71:38724 guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428->cd257594-03d5-5d2e-9885-5a2c84fecf0f con guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428|send-data send-data to 303 IP addresses review logs to see them all guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428->guuid=b0efa51e-1700-0000-1ea6-8eca640d0000 pid=3428|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: 1735337 Sample: i686.elf Startdate: 13/07/2025 Architecture: LINUX Score: 68 38 221.164.148.131, 40768, 6881 YSU-AS-KRyoungsanuniversityKR Korea Republic of 2->38 40 180.75.232.12, 5477 WEBE-MY-AS-APWEBEDIGITALSDNBHDMY Malaysia 2->40 42 101 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 i686.elf configuration 2->10         started        signatures3 process4 process5 12 i686.elf sh 10->12         started        14 configuration 10->14         started        17 i686.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.HnHBYx, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 configuration 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 configuration 32->34         started        process12
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-07-13 17:14:26 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 d87d581144ee0f37fbaa13d8e88e808b753f114ca33013ef0fd83137bbfed9bd

(this sample)

  
Delivery method
Distributed via web download

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