MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37
SHA3-384 hash: df909e97167ddcd3562d1d0e57e431182d89c0e9b5de9e08da84c11c65c70aae2102e962534bf34ce2b401f1dc720bef
SHA1 hash: edc60ab4284bbeb9cc50e3ab9b0761abd2c48517
MD5 hash: fbe00b1a021b6ea328c63e8116f5738a
humanhash: lactose-foxtrot-mars-speaker
File name:upjohn90.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:41'632 bytes
First seen:2025-07-26 16:44:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:dTlej4eFjg+hJpUqTZDx1p9A+V91C6Pf2zGQHZgEEe+gs0sgQ/mU96nbcuyD7UHN:dTlYHXmqTZFCOOtEcs0g/Lcnouy8Hy+
TLSH T13413F103D5BFDA8BD146013B46EF3689949093B9086E555C32C8B8763DCBB353B1CAE0
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 :
1
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/688505f1a16348d835efb06e/reports/cda58024-7172-4690-9a53-b5ab5b4487e4/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
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/a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d9aae656-3f85-446f-a3e7-aca099f78fd1
Behavior Graph:
Download SVG
%3 guuid=9deeb3fd-1800-0000-d102-5e6b5d140000 pid=5213 /usr/bin/sudo guuid=68f6c700-1900-0000-d102-5e6b5e140000 pid=5214 /tmp/sample.bin net guuid=9deeb3fd-1800-0000-d102-5e6b5d140000 pid=5213->guuid=68f6c700-1900-0000-d102-5e6b5e140000 pid=5214 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=68f6c700-1900-0000-d102-5e6b5e140000 pid=5214->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e3336701-1900-0000-d102-5e6b5f140000 pid=5215 /tmp/sample.bin guuid=68f6c700-1900-0000-d102-5e6b5e140000 pid=5214->guuid=e3336701-1900-0000-d102-5e6b5f140000 pid=5215 clone guuid=ace17201-1900-0000-d102-5e6b60140000 pid=5216 /tmp/sample.bin write-config zombie guuid=e3336701-1900-0000-d102-5e6b5f140000 pid=5215->guuid=ace17201-1900-0000-d102-5e6b60140000 pid=5216 clone guuid=0ed9af05-1900-0000-d102-5e6b61140000 pid=5217 /usr/bin/dash guuid=ace17201-1900-0000-d102-5e6b60140000 pid=5216->guuid=0ed9af05-1900-0000-d102-5e6b61140000 pid=5217 execve guuid=8156d607-1900-0000-d102-5e6b63140000 pid=5219 /tmp/sample.bin net send-data zombie guuid=ace17201-1900-0000-d102-5e6b60140000 pid=5216->guuid=8156d607-1900-0000-d102-5e6b63140000 pid=5219 clone guuid=9c33df05-1900-0000-d102-5e6b62140000 pid=5218 /usr/bin/cp guuid=0ed9af05-1900-0000-d102-5e6b61140000 pid=5217->guuid=9c33df05-1900-0000-d102-5e6b62140000 pid=5218 execve guuid=8156d607-1900-0000-d102-5e6b63140000 pid=5219->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2545B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=8156d607-1900-0000-d102-5e6b63140000 pid=5219->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B guuid=70e8df07-1900-0000-d102-5e6b64140000 pid=5220 /tmp/sample.bin guuid=8156d607-1900-0000-d102-5e6b63140000 pid=5219->guuid=70e8df07-1900-0000-d102-5e6b64140000 pid=5220 clone guuid=6a6be407-1900-0000-d102-5e6b65140000 pid=5221 /tmp/sample.bin guuid=8156d607-1900-0000-d102-5e6b63140000 pid=5219->guuid=6a6be407-1900-0000-d102-5e6b65140000 pid=5221 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e9d3148-ba8f-4d8f-bb69-b6e0349a22bc
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1744718
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: 1744718 Sample: upjohn90.i686.elf Startdate: 26/07/2025 Architecture: LINUX Score: 72 30 109.202.202.202, 80 INIT7CH Switzerland 2->30 32 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->32 34 2 other IPs or domains 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Sample is packed with UPX 2->40 10 upjohn90.i686.elf 2->10         started        signatures3 process4 process5 12 upjohn90.i686.elf 10->12         started        process6 14 upjohn90.i686.elf 12->14         started        file7 28 /etc/init.d/sysd, POSIX 14->28 dropped 42 Sample tries to set files in /etc globally writable 14->42 44 Drops files in suspicious directories 14->44 46 Sample tries to persist itself using System V runlevels 14->46 18 upjohn90.i686.elf sh 14->18         started        20 upjohn90.i686.elf 14->20         started        signatures8 process9 process10 22 sh cp 18->22         started        24 upjohn90.i686.elf 20->24         started        26 upjohn90.i686.elf 20->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-26 07:12:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uktlo4k2magibpjg43kkw5z4a4gz2fdbhhy36ftor3trn77v7u3q._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-t81pnsal4z/
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:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a83b4b11-14d5-4958-be94-e34f50c912b6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37

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 a2a6b7715a600c80bd26e6d4ab773c070d9d146139f1bf166e8ee716fff5fd37

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3590278/
  
Delivery method
Distributed via web download

Comments