MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a05a748b27e7aac5fee75e473f4d9503a33f7f85c784a7d32c7a0a75f9dce79. 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 16 File information Comments

SHA256 hash: 1a05a748b27e7aac5fee75e473f4d9503a33f7f85c784a7d32c7a0a75f9dce79
SHA3-384 hash: de9a337663d4d7a83ab02990ea216cc2f873cdedbfd060ab1b0559aabe073fd7182d884075a2b56a1ee2cc4fc7b962d6
SHA1 hash: 9785b969695553a1de66c12b9033268b9e587f01
MD5 hash: 4c8718c906351108368179978b0e1de6
humanhash: vegan-cup-beryllium-may
File name:x86
Download: download sample
Signature Mirai
File size:154'056 bytes
First seen:2025-12-29 17:13:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:t76XRxjzXlN8HugJXeLzxwcDj3kIRVYVviREHJhIB16y:96XjHXl2JXk0MmvWATy
TLSH T13FE37DC5F743C0FAE85605B1107BBB369AB3D43E242BDA83D3B95A32EC51601C51A6AC
telfhash t10c5126ba96670cec57d09902f28e5b31ec0eab7b255036fb09f21ab4322254153bbc35
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 d0134731054af3635d249081a26e3bc9bbe8c5644256f8b81f9d4df26fb9d2ef
File size (compressed) :61'980 bytes
File size (de-compressed) :154'056 bytes
Format:linux/i386
Packed file: d0134731054af3635d249081a26e3bc9bbe8c5644256f8b81f9d4df26fb9d2ef

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T15:33:00Z UTC
Last seen:
2025-12-30T08:24:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=75872a97-1b00-0000-701a-db2da60c0000 pid=3238 /usr/bin/sudo guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241 /tmp/sample.bin net write-config write-file guuid=75872a97-1b00-0000-701a-db2da60c0000 pid=3238->guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5d22dd9b-1b00-0000-701a-db2dac0c0000 pid=3244 /usr/bin/dash guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241->guuid=5d22dd9b-1b00-0000-701a-db2dac0c0000 pid=3244 execve guuid=a05d449d-1b00-0000-701a-db2db20c0000 pid=3250 /usr/bin/dash guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241->guuid=a05d449d-1b00-0000-701a-db2db20c0000 pid=3250 execve guuid=f88890a0-1b00-0000-701a-db2dba0c0000 pid=3258 /tmp/sample.bin guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241->guuid=f88890a0-1b00-0000-701a-db2dba0c0000 pid=3258 clone guuid=941ed5cc-1c00-0000-701a-db2d3b0f0000 pid=3899 /tmp/sample.bin guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241->guuid=941ed5cc-1c00-0000-701a-db2d3b0f0000 pid=3899 clone guuid=7424d9cc-1c00-0000-701a-db2d3c0f0000 pid=3900 /tmp/sample.bin dns net send-data zombie guuid=44c62b9b-1b00-0000-701a-db2da90c0000 pid=3241->guuid=7424d9cc-1c00-0000-701a-db2d3c0f0000 pid=3900 clone guuid=00e1189c-1b00-0000-701a-db2dae0c0000 pid=3246 /usr/bin/systemctl guuid=5d22dd9b-1b00-0000-701a-db2dac0c0000 pid=3244->guuid=00e1189c-1b00-0000-701a-db2dae0c0000 pid=3246 execve guuid=b969dd9d-1b00-0000-701a-db2db30c0000 pid=3251 /usr/bin/systemctl guuid=a05d449d-1b00-0000-701a-db2db20c0000 pid=3250->guuid=b969dd9d-1b00-0000-701a-db2db30c0000 pid=3251 execve guuid=069397a0-1b00-0000-701a-db2dbb0c0000 pid=3259 /tmp/sample.bin guuid=f88890a0-1b00-0000-701a-db2dba0c0000 pid=3258->guuid=069397a0-1b00-0000-701a-db2dbb0c0000 pid=3259 clone guuid=5e459da0-1b00-0000-701a-db2dbc0c0000 pid=3260 /tmp/sample.bin net send-data zombie guuid=f88890a0-1b00-0000-701a-db2dba0c0000 pid=3258->guuid=5e459da0-1b00-0000-701a-db2dbc0c0000 pid=3260 clone 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=5e459da0-1b00-0000-701a-db2dbc0c0000 pid=3260->54d92a3b-1447-55af-b534-047898c60c8d send: 370B 55e75a70-5f0f-5401-b0ef-995451b8fb69 teamc2.duckdns.org:12121 guuid=5e459da0-1b00-0000-701a-db2dbc0c0000 pid=3260->55e75a70-5f0f-5401-b0ef-995451b8fb69 con guuid=7424d9cc-1c00-0000-701a-db2d3c0f0000 pid=3900->54d92a3b-1447-55af-b534-047898c60c8d send: 108B guuid=7424d9cc-1c00-0000-701a-db2d3c0f0000 pid=3900->55e75a70-5f0f-5401-b0ef-995451b8fb69 con
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841613 Sample: x86.elf Startdate: 29/12/2025 Architecture: LINUX Score: 88 35 169.254.169.254, 80 USDOSUS Reserved 2->35 37 teamc2.duckdns.org 151.242.30.13, 12121, 56262, 56264 RASANAIR Iran (ISLAMIC Republic Of) 2->37 39 4 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 3 other signatures 2->47 8 x86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 file5 33 /usr/local/bin/infinitd, ELF 8->33 dropped 17 x86.elf sh 8->17         started        19 x86.elf sh 8->19         started        21 x86.elf 8->21         started        23 2 other processes 8->23 process6 process7 25 sh systemctl 17->25         started        27 sh systemctl 19->27         started        29 x86.elf 21->29         started        31 x86.elf 21->31         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-29 17:14:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:unixredflags3
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 1a05a748b27e7aac5fee75e473f4d9503a33f7f85c784a7d32c7a0a75f9dce79

(this sample)

  
Delivery method
Distributed via web download

Comments