MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31dab3970c811b8f49db84fd497cc2fa522ad61bc7a5d9c56f8b6ef539bd8240. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31dab3970c811b8f49db84fd497cc2fa522ad61bc7a5d9c56f8b6ef539bd8240
SHA3-384 hash: 7c33cdd5878bf921074c26583ea9af766e060193418057f867e2d90e572e78f9b00659f0d112e873bfc6974c925347ef
SHA1 hash: fb00bf1b9b46a7c0c1d11248e19b5ed1fa1ab9ee
MD5 hash: 2cd453d5b9e3204bccc95342676ed79d
humanhash: summer-undress-snake-echo
File name:aarch64
Download: download sample
File size:509'896 bytes
First seen:2025-06-06 05:37:58 UTC
Last seen:2025-06-06 23:45:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:O/izeB+/ow3gK2lc5bvyI0vOHD6BZkDgn358cIF3RI5HkdY1FP98/8ecjfP:3BohHKTyfvOHD6ByD4WcIMkuDmEesP
TLSH T1D7B41228EE4E38C1F3D1E3B8DA0A4BB1B05B79D0D166C1B2BA41E25D95EDDDEC5D0212
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 :
73
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9163.15538.29477.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68427f968bd5d68a12e5d8balinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ef318690-c809-4916-939b-3a28770bdbdf
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1707884
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
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1707884 Sample: aarch64.elf Startdate: 06/06/2025 Architecture: LINUX Score: 72 42 31.200.249.130, 31746, 31938, 40440 NETRACK-ASRU Russian Federation 2->42 44 188.134.92.194, 3334, 6881 ZTELECOM-ASRU Russian Federation 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 56 Connects to many ports of the same IP (likely port scanning) 2->56 58 Uses known network protocols on non-standard ports 2->58 10 aarch64.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 aarch64.elf sh 10->16         started        18 aarch64.elf 10->18         started        21 aarch64.elf sh 10->21         started        signatures6 23 sh crontab 16->23         started        27 sh 16->27         started        50 Opens /sys/class/net/* files useful for querying network interface information 18->50 52 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->52 29 aarch64.elf 18->29         started        31 sh crontab 21->31         started        process7 file8 40 /var/spool/cron/crontabs/tmp.4abTsp, ASCII 23->40 dropped 60 Sample tries to persist itself using cron 23->60 62 Executes the "crontab" command typically for achieving persistence 23->62 33 sh crontab 27->33         started        36 aarch64.elf 29->36         started        signatures9 process10 signatures11 48 Executes the "crontab" command typically for achieving persistence 33->48 38 aarch64.elf 36->38         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31dab3970c811b8f49db84fd497cc2fa522ad61bc7a5d9c56f8b6ef539bd8240
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31dab3970c811b8f49db84fd497cc2fa522ad61bc7a5d9c56f8b6ef539bd8240/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-06 05:38:27 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghnlhfymqeny6so3qt6us7gc7jjcvvq3y6s5trlprnxpkon5qjaa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250606-gbxkjawycy/
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ab8f2b4b-51a6-4b67-81bf-8c323c9656bf
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/31dab3970c811b8f49db84fd497cc2fa522ad61bc7a5d9c56f8b6ef539bd8240

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
Create hunting rule
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 31dab3970c811b8f49db84fd497cc2fa522ad61bc7a5d9c56f8b6ef539bd8240

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558161/
  
Delivery method
Distributed via web download

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