MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659
SHA3-384 hash: 921b650cabe0efceaba2fbb9981f31cc95f1535da61775f2cb7f2251d8e0d9303e25328c1c31f2fd6cf6323a7dec0d23
SHA1 hash: f2ef3f159100570de7ef9834a71eea165cdd4ee2
MD5 hash: b37ea43e988864c7ad50e96c3a19a4ed
humanhash: arkansas-mike-enemy-glucose
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:107'824 bytes
First seen:2026-01-12 11:32:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:PbKW4dCLFaGFBu3/45g1rcV2wToTyw9bMFazA:Pbj4doYGFB0/45gdgG9LzA
TLSH T164B339C1BA43D4F5EC1641307177F73BAA32F0791239DA87E7A49E327C92A419D0A29D
telfhash t18231f9b9f6750ce85bd09403ba4e97716d0d677b34203bba4dfa292536b210192bfc38
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 :
47
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/1148b1c1-2616-4349-871b-a0142e6a255f/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6964dbe130368802bb81b42f/reports/3c97fc38-6d73-4265-b565-39b693bdde34/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T08:53:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ca753337-66bd-4b7a-a551-2aa3662d291d
Behavior Graph:
Download SVG
%3 guuid=24fdac5a-1900-0000-5561-462cb20b0000 pid=2994 /usr/bin/sudo guuid=44dafb5c-1900-0000-5561-462cbb0b0000 pid=3003 /tmp/sample.bin net guuid=24fdac5a-1900-0000-5561-462cb20b0000 pid=2994->guuid=44dafb5c-1900-0000-5561-462cbb0b0000 pid=3003 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=44dafb5c-1900-0000-5561-462cbb0b0000 pid=3003->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a7283d5d-1900-0000-5561-462cbc0b0000 pid=3004 /tmp/sample.bin guuid=44dafb5c-1900-0000-5561-462cbb0b0000 pid=3003->guuid=a7283d5d-1900-0000-5561-462cbc0b0000 pid=3004 clone guuid=5a2ee798-1900-0000-5561-462c520c0000 pid=3154 /tmp/sample.bin guuid=44dafb5c-1900-0000-5561-462cbb0b0000 pid=3003->guuid=5a2ee798-1900-0000-5561-462c520c0000 pid=3154 clone guuid=c1ce98d4-1900-0000-5561-462c9a0c0000 pid=3226 /tmp/sample.bin guuid=44dafb5c-1900-0000-5561-462cbb0b0000 pid=3003->guuid=c1ce98d4-1900-0000-5561-462c9a0c0000 pid=3226 clone guuid=94cda1d4-1900-0000-5561-462c9b0c0000 pid=3227 /tmp/sample.bin net zombie guuid=44dafb5c-1900-0000-5561-462cbb0b0000 pid=3003->guuid=94cda1d4-1900-0000-5561-462c9b0c0000 pid=3227 clone bf5b91b4-7632-5c94-995a-93b5263cf87c 141.98.10.66:1999 guuid=94cda1d4-1900-0000-5561-462c9b0c0000 pid=3227->bf5b91b4-7632-5c94-995a-93b5263cf87c con guuid=6c53b9d4-1900-0000-5561-462c9c0c0000 pid=3228 /tmp/sample.bin guuid=94cda1d4-1900-0000-5561-462c9b0c0000 pid=3227->guuid=6c53b9d4-1900-0000-5561-462c9c0c0000 pid=3228 clone guuid=08777210-1a00-0000-5561-462c000d0000 pid=3328 /tmp/sample.bin guuid=94cda1d4-1900-0000-5561-462c9b0c0000 pid=3227->guuid=08777210-1a00-0000-5561-462c000d0000 pid=3328 clone guuid=d3fa1d4c-1a00-0000-5561-462c5b0d0000 pid=3419 /tmp/sample.bin guuid=94cda1d4-1900-0000-5561-462c9b0c0000 pid=3227->guuid=d3fa1d4c-1a00-0000-5561-462c5b0d0000 pid=3419 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ca0579c-1c3b-4fe3-ade5-3d679b812c54
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1849017
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849017 Sample: x86.elf Startdate: 12/01/2026 Architecture: LINUX Score: 80 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 141.98.10.66, 1999, 43820, 43822 HOSTBALTICLT Lithuania 2->26 28 2 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 2 other signatures 2->36 8 x86.elf 2->8         started        signatures3 process4 process5 10 x86.elf 8->10         started        12 x86.elf 8->12         started        14 x86.elf 8->14         started        16 x86.elf 8->16         started        process6 18 x86.elf 10->18         started        20 x86.elf 10->20         started        22 x86.elf 10->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 11:33:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgoptanaelquo3zojasrfizegmq5fw3vtq33k7dgcgijwrxryzmq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari defense_evasion discovery linux
Link:
https://tria.ge/reports/260112-nnlr5aes6f/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Verdict:
Unknown
Tags:
trojan mirai gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/06fa3574-1681-47ea-b111-1aa72c1977e3
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/c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659

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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 c99cf981a022e1476f2e482512a3243321d2db759c37b57c6611909b46f1c659

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3756722/
  
Delivery method
Distributed via web download

Comments