MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d. 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


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d
SHA3-384 hash: 4e6e2681e29b7f41a44064dbb5f0738407370ee048c1cb66be5a1c2317f3fe31714b34eacdec965ac2c9ae43cc6f64a2
SHA1 hash: 69f2bc8f1c9d3693295d1beb0c29ae0dfd4a7265
MD5 hash: 402905fa61722bf4a19e429ecc7b1d6d
humanhash: video-lactose-hot-fruit
File name:Labello.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:40'908 bytes
First seen:2025-10-11 06:49:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:+/Kd+3c6C09SlmQsJ+IQ+5Dcih7TDTk8Go3drxPVxfFDPwGcrs3UozLN:80+3cyEFsS+Br5Tvk8t31/XPwGtzR
TLSH T10203F1348D641C72D55490B2CDEBC182370B0AFEC2E6362A855A535DB65B0BF52FE2F1
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 mirai UPX
File size (compressed) :40'908 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Unpacked file: 2cf5ab2465c4023c84b23de1b55813f483c1e8f6a7247d0d7942913106e6b7be

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68e9ffabfe81c560ba570605/reports/6d940396-3a30-4632-b1cb-87ae1ba64b05/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
47
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-11T02:45:00Z UTC
Last seen:
2025-10-11T10:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/95680c48-0057-4e08-9e74-f47ccaa900c7
Behavior Graph:
Download SVG
%3 guuid=fa42b9ba-1a00-0000-dc0b-b7d99b0c0000 pid=3227 /usr/bin/sudo guuid=08a4cabd-1a00-0000-dc0b-b7d99f0c0000 pid=3231 /tmp/sample.bin guuid=fa42b9ba-1a00-0000-dc0b-b7d99b0c0000 pid=3227->guuid=08a4cabd-1a00-0000-dc0b-b7d99f0c0000 pid=3231 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c63c4636-9200-40d9-bcf7-5e88dcd66dfd
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1793281
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793281 Sample: Labello.arm.elf Startdate: 11/10/2025 Architecture: LINUX Score: 60 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 Labello.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 Labello.arm.elf 10->14         started        process6 16 Labello.arm.elf 14->16         started        process7 18 Labello.arm.elf 16->18         started        process8 20 Labello.arm.elf 18->20         started        23 Labello.arm.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-10-11 04:52:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqfypn7rw6rflbjew3hh44vbaasoormqildxjojdgyytfemrjigq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251011-hqjsnazwfz/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/698a0d94-7944-4bb8-9f9b-64da2be17936
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 640b87b7f1b7a2558524b6ce7e72a10024e7459042c774b92336313291914a0d

(this sample)

Mirai

elf 2cf5ab2465c4023c84b23de1b55813f483c1e8f6a7247d0d7942913106e6b7be

  
URLhaus
https://urlhaus.abuse.ch/url/3668175/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 2cf5ab2465c4023c84b23de1b55813f483c1e8f6a7247d0d7942913106e6b7be
  
Dropping
MD5 b29e82e25c1ea4905eb474e49d535bb9

Comments