MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6a1baf84e223fe3f87b6580e59eea57a4040bd058cc4f81eb5356041cf0cc4e. 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: a6a1baf84e223fe3f87b6580e59eea57a4040bd058cc4f81eb5356041cf0cc4e
SHA3-384 hash: 5e2043bf151976a153b36fefb6bb9cb2521173538c745de9a23cb536d896afab5f1ec369be0d3b09dd200d009f3f8014
SHA1 hash: f16bf3bbebfb2211aee21b8baffd57568fcf365f
MD5 hash: 49905d825c283f7d5904939202702ead
humanhash: william-nuts-carolina-mars
File name:SecuriteInfo.com.Linux.Siggen.9905.32200.3097
Download: download sample
Signature Mirai
Create hunting rule
File size:114'196 bytes
First seen:2025-07-29 18:18:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tqyOQnGSKed2t7a0e1ZQikpsDSiMLjRtaWA8KIPKzMs14UIaZJiAtzL9U2+FShge:tqyOQnGSKeKe1usvISzMFUIa5FfgyEy
TLSH T16BB3F809FF610EFBE86FDD3746E90B0525CC651722B83B3A7574D828F64A54B0AE3960
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3a7e5e871ef067f319375b0ff6ee000abb80072ceeea9538f421a3c0c4c44e36
File size (compressed) :44'292 bytes
File size (de-compressed) :114'196 bytes
Format:linux/mipsel
Packed file: 3a7e5e871ef067f319375b0ff6ee000abb80072ceeea9538f421a3c0c4c44e36

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sets a written file as executable
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Launching a process
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/688910afc79df08ef097ce9a/reports/d5aa4839-5547-435a-9207-a6810aca356e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a6a1baf84e223fe3f87b6580e59eea57a4040bd058cc4f81eb5356041cf0cc4e
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/329051e4-4ef2-490a-967c-951f0d0e7239
Behavior Graph:
Download SVG
%3 guuid=b0dfcb89-1900-0000-71f8-fec238090000 pid=2360 /usr/bin/sudo guuid=ceeade8b-1900-0000-71f8-fec23f090000 pid=2367 /tmp/sample.bin guuid=b0dfcb89-1900-0000-71f8-fec238090000 pid=2360->guuid=ceeade8b-1900-0000-71f8-fec23f090000 pid=2367 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9dd63665-6456-4220-b119-66c79c4e3010
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1746563
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1746563 Sample: SecuriteInfo.com.Linux.Sigg... Startdate: 29/07/2025 Architecture: LINUX Score: 84 32 109.202.202.202, 80 INIT7CH Switzerland 2->32 34 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->34 36 3 other IPs or domains 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 Yara detected Xmrig cryptocurrency miner 2->42 10 SecuriteInfo.com.Linux.Siggen.9905.32200.3097.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 52 Found strings related to Crypto-Mining 10->52 17 SecuriteInfo.com.Linux.Siggen.9905.32200.3097.elf 10->17         started        process6 process7 19 SecuriteInfo.com.Linux.Siggen.9905.32200.3097.elf 17->19         started        file8 30 /etc/init.d/sysd, POSIX 19->30 dropped 44 Sample tries to set files in /etc globally writable 19->44 46 Drops files in suspicious directories 19->46 48 Sample tries to persist itself using System V runlevels 19->48 23 SecuriteInfo.com.Linux.Siggen.9905.32200.3097.elf 19->23         started        26 SecuriteInfo.com.Linux.Siggen.9905.32200.3097.elf sh 19->26         started        signatures9 process10 signatures11 50 Sample deletes itself 23->50 28 sh cp 26->28         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a6a1baf84e223fe3f87b6580e59eea57a4040bd058cc4f81eb5356041cf0cc4e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6a1baf84e223fe3f87b6580e59eea57a4040bd058cc4f81eb5356041cf0cc4e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-29 18:19:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u2q3v6coei76h6d3mwaolhxkk6saic6qldge7aplknlaihhqzrha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery persistence
Link:
https://tria.ge/reports/250729-wydhhazwe1/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Modifies init.d
Modifies rc script
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b0efde23-3847-4190-801d-bc5e3a4fe600
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/a6a1baf84e223fe3f87b6580e59eea57a4040bd058cc4f81eb5356041cf0cc4e

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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

Mirai

elf 3a7e5e871ef067f319375b0ff6ee000abb80072ceeea9538f421a3c0c4c44e36

Mirai

elf a6a1baf84e223fe3f87b6580e59eea57a4040bd058cc4f81eb5356041cf0cc4e

(this sample)

  
Dropped by
SHA256 3a7e5e871ef067f319375b0ff6ee000abb80072ceeea9538f421a3c0c4c44e36
  
URLhaus
https://urlhaus.abuse.ch/url/3592771/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 32acfa9d134db109b3de9961ece7fe4d

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments