MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f
SHA3-384 hash: 52b9ef489ea1e9e1ffbddb15601648460dcd6eedb573f925a610ba6bd11eece91a907ad7e6fab5066b77a4f963f66cfb
SHA1 hash: 78d7118dcee0803886255fdd9a5a52cd783e8254
MD5 hash: a5b0749736303b82bb0551f41dbe6bec
humanhash: four-apart-louisiana-jig
File name:Labelloperc80.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:40'908 bytes
First seen:2025-11-22 23:48:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:+RHz/+S7TXPzJglGroll7Zh4ZzjWyz9KQNEJkkCV5veLmjzs3UozPZ:MHLt7TfstZh4ZzjFz4+EJkRV5GL7zR
TLSH T19203F17C125B2894DE302938EE66D1130B3709ACE0F8177B5E9084745749F6F75662BF
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: baff6c21987e647f94e8cfc60fbad8daffc57e9e6a0751a8e2aa85920078663b

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android masquerade packed upx
Link:
https://www.filescan.io/uploads/69224c277d011c9c3a487657/reports/24d5632a-9652-4c53-846a-c0ca3af2e409/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/b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f
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:
2025-11-22T20:44:00Z UTC
Last seen:
2025-11-23T12:15:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a37e0c5d-fc33-4ce5-be5c-0db772044a26
Behavior Graph:
Download SVG
%3 guuid=d1efe6b4-1900-0000-7e20-e4ad8a080000 pid=2186 /usr/bin/sudo guuid=ce858eb6-1900-0000-7e20-e4ad8f080000 pid=2191 /tmp/sample.bin guuid=d1efe6b4-1900-0000-7e20-e4ad8a080000 pid=2186->guuid=ce858eb6-1900-0000-7e20-e4ad8f080000 pid=2191 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3ca4260d-ba4a-47d8-9713-2a18351d84de
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1819248
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: 1819248 Sample: Labelloperc80.arm.elf Startdate: 23/11/2025 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 Labelloperc80.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 Labelloperc80.arm.elf 10->14         started        process6 16 Labelloperc80.arm.elf 14->16         started        process7 18 Labelloperc80.arm.elf 16->18         started        process8 20 Labelloperc80.arm.elf 18->20         started        23 Labelloperc80.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/b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 23:49:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xa5sciz74anaro7xsvbansmqyjei5kfghvusxstmzjki7xkm5fxq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251122-3t63ksfn4x/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5e0216ee-45ff-4903-902d-0f0c82b94cda
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/b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f

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: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 b83b21233fe01a08bbf7954206c990c2488ea8a63d692bca6cca548fdd4ce96f

(this sample)

Mirai

elf baff6c21987e647f94e8cfc60fbad8daffc57e9e6a0751a8e2aa85920078663b

  
URLhaus
https://urlhaus.abuse.ch/url/3714434/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 baff6c21987e647f94e8cfc60fbad8daffc57e9e6a0751a8e2aa85920078663b
  
Dropping
MD5 03308ce51f734b512aa1b799318b06a0
  
URLhaus
https://urlhaus.abuse.ch/url/3714825/
  
URLhaus
https://urlhaus.abuse.ch/url/3714827/

Comments