MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44
SHA3-384 hash: 7de89f21660d89b5a1f7d373d45e608fd28ea087e88172a6df8ca10432a57b03b1e62dc188d4246d21c3c500bec19b2c
SHA1 hash: 593866312bd3c232739abffeb4d11cb20cdb635b
MD5 hash: ad9a8bb0213dd10693c96f7872aba1a7
humanhash: asparagus-diet-texas-wolfram
File name:upjohn90.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:42'668 bytes
First seen:2025-07-26 09:16:40 UTC
Last seen:2025-07-26 11:31:20 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:sxyxA+3l3yQmpWk9JJ+5RRADwCW/VdqA3HNJI6P5P+V1OuXgUNPVPZx070:sxovFKJ+XK8dqoNJbP5Pw1Ou7ZO0
TLSH T1BA13F112113FF8B8D0276BFC572987D0EAD58B3E420A5F9A10C43BBDC8B592167216F4
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

Intelligence

File Origin
# of uploads :
3
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Sets a written file as executable
Launching a process
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68849d26c79df08ef095e550/reports/c4db3146-971a-4c27-92d4-6dfd4b48618e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
196.251.116.34/bins
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/52696711-1e5c-4af2-97dd-ad1dd2c2e129
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1744555
Signature
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744555 Sample: upjohn90.x86_64.elf Startdate: 26/07/2025 Architecture: LINUX Score: 72 30 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Sample is packed with UPX 2->36 10 upjohn90.x86_64.elf 2->10         started        signatures3 process4 process5 12 upjohn90.x86_64.elf 10->12         started        process6 14 upjohn90.x86_64.elf 12->14         started        file7 28 /etc/init.d/sysd, POSIX 14->28 dropped 38 Sample tries to set files in /etc globally writable 14->38 40 Drops files in suspicious directories 14->40 42 Sample tries to persist itself using System V runlevels 14->42 18 upjohn90.x86_64.elf sh 14->18         started        20 upjohn90.x86_64.elf 14->20         started        signatures8 process9 process10 22 sh cp 18->22         started        24 upjohn90.x86_64.elf 20->24         started        26 upjohn90.x86_64.elf 20->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-26 07:23:32 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4vmbtcx7nxnaktbna27drt4n2h3qw63txxbsaeufe7qaf5wtzca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/250726-k88kvafp6y/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/813a6574-780c-4a9e-8f8a-efb39c44329f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44

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: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: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 3f2ac0cc57fb6ed02a616835f1c67c6e8fb85bdb9dee190094293f0017b69e44

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3590271/
  
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