MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 991c6e36ff3aae94347c64ccdcf66faf3f8daadcc0f5bce3c9db17fcdbfc27b3. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 991c6e36ff3aae94347c64ccdcf66faf3f8daadcc0f5bce3c9db17fcdbfc27b3
SHA3-384 hash: e9623a96febbb3c343f4266559cd7f8380255a76d3765ae4dad196800301c9bc52cf96db76cc765637deb67f15f8a55b
SHA1 hash: 2cccd8207d6e0094a1ed4126c39697929e24d9fe
MD5 hash: 89d50044a89d0044cdde3849a543835f
humanhash: carpet-artist-pennsylvania-florida
File name:sparc
Download: download sample
Signature Mirai
Create hunting rule
File size:124'344 bytes
First seen:2025-12-22 19:49:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:g6jLoT2qckkoE/wTg3+GThqV94NtMRbxRpKLAhNE/cc0ULShKeIoKMuNLi:xuzO64fMRb9KLA/yc3YjMuJi
TLSH T141C306327A611D1BC8CC533A51F78321FA723769A1A8C71A7FA30E996E3C39471173A5
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6949a0fbe126b9ff438d037f/reports/d7afe537-c9e5-4cb4-8617-e94271a79673/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-22T17:33:00Z UTC
Last seen:
2025-12-22T17:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/991c6e36ff3aae94347c64ccdcf66faf3f8daadcc0f5bce3c9db17fcdbfc27b3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f9ef5534-cb71-4b17-8345-13783d3e8805
Behavior Graph:
Download SVG
%3 guuid=048bba94-1800-0000-e340-379fcb0c0000 pid=3275 /usr/bin/sudo guuid=8af46a96-1800-0000-e340-379fd10c0000 pid=3281 /tmp/sample.bin guuid=048bba94-1800-0000-e340-379fcb0c0000 pid=3275->guuid=8af46a96-1800-0000-e340-379fd10c0000 pid=3281 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ade519c2-12db-436f-a90d-d1db07190722
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1837848
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837848 Sample: sparc.elf Startdate: 22/12/2025 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 sparc.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/991c6e36ff3aae94347c64ccdcf66faf3f8daadcc0f5bce3c9db17fcdbfc27b3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/991c6e36ff3aae94347c64ccdcf66faf3f8daadcc0f5bce3c9db17fcdbfc27b3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 19:50:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=teog4nx7hkxjind4mtgnz5tpv47y3kw4yd23zy6j3ml7zw74e6zq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251222-ykfrta1rdx/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6ee3d5c6-1adf-49e2-8a4b-6fa0bb0bc465
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/991c6e36ff3aae94347c64ccdcf66faf3f8daadcc0f5bce3c9db17fcdbfc27b3

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: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 991c6e36ff3aae94347c64ccdcf66faf3f8daadcc0f5bce3c9db17fcdbfc27b3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740058/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740239/
  
URLhaus
https://urlhaus.abuse.ch/url/3740229/

Comments