MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38a8cee88d8f7dc591c2f13ba190af49c8af7bdb2aeaca31705c4d5d8cb06a4d. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 38a8cee88d8f7dc591c2f13ba190af49c8af7bdb2aeaca31705c4d5d8cb06a4d
SHA3-384 hash: 3e0a747979038411519c532a8ad1f243752b92978c558d16258cdcfec7fa34b7276c9bad913b04f69d58dc90ce79fb25
SHA1 hash: 042ff5e74f71f8713b4a11f99dbe0e635b1e50b4
MD5 hash: e754cffced1a8cfc28c561bdcdf5c145
humanhash: aspen-foxtrot-yankee-coffee
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-06-04 09:06:30 UTC
Last seen:2025-06-05 05:25:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T113A41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6298F7322B3AE601B16A55
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 :
78
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 lolbin remote
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 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
Performs DNS queries to domains with low reputation
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: 1705711 Sample: amd64.elf Startdate: 04/06/2025 Architecture: LINUX Score: 68 56 sourire-magique.xyz 2->56 58 185.177.124.180, 49523, 6888 WORLDSTREAMNL Netherlands 2->58 60 106 other IPs or domains 2->60 64 Multi AV Scanner detection for submitted file 2->64 15 amd64.elf 2->15         started        signatures3 66 Performs DNS queries to domains with low reputation 56->66 process4 process5 17 amd64.elf sh 15->17         started        19 amd64.elf 15->19         started        22 amd64.elf sh 15->22         started        signatures6 24 sh crontab 17->24         started        28 sh 17->28         started        68 Opens /sys/class/net/* files useful for querying network interface information 19->68 70 Sample reads /proc/mounts (often used for finding a writable filesystem) 19->70 30 amd64.elf 19->30         started        32 sh crontab 22->32         started        process7 file8 54 /var/spool/cron/crontabs/tmp.NrX5KL, ASCII 24->54 dropped 72 Sample tries to persist itself using cron 24->72 74 Executes the "crontab" command typically for achieving persistence 24->74 34 sh crontab 28->34         started        37 amd64.elf 30->37         started        signatures9 process10 signatures11 62 Executes the "crontab" command typically for achieving persistence 34->62 39 amd64.elf 37->39         started        process12 file13 52 /tmp/sdxghg, ELF 39->52 dropped 42 amd64.elf 39->42         started        process14 process15 44 amd64.elf sh 42->44         started        process16 46 sh sdxghg 44->46         started        process17 48 sdxghg 46->48         started        process18 50 sdxghg 48->50         started       
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-06-04 09:07:25 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 38 (39.47%)
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 38a8cee88d8f7dc591c2f13ba190af49c8af7bdb2aeaca31705c4d5d8cb06a4d

(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