MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1e880a1c89c5d632c6b8a88a28ddd9bb6a99705e903312111183175e15138b9. 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: 10


Intelligence 10 IOCs YARA 13 File information Comments

SHA256 hash: b1e880a1c89c5d632c6b8a88a28ddd9bb6a99705e903312111183175e15138b9
SHA3-384 hash: 075b083bf2aaa28218de2e6c6e3a6745c687bf8eaa4a68f0be5559ece6d9793beefe34f893147573db7cb4edc046db8f
SHA1 hash: 3f4b133a944f5b9cd0f822986f47d13b48e6b54b
MD5 hash: 041c8d783637791e9b63f7ad8c77e376
humanhash: batman-connecticut-lemon-london
File name:csk_x86
Download: download sample
Signature Mirai
File size:116'168 bytes
First seen:2026-01-12 19:06:04 UTC
Last seen:2026-01-18 22:41:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:EPian1DT8im4EgPg1dRP2V2Zsv1hIB18e7:Eqan9jSukZsvo7
TLSH T1EFB36CC2F743C0F6D85305B1507BAF369E33D4BA5025DB42E7689A31DCA2A05D71ABAC
telfhash t1f051f8f71eba0ce8b7909c05d31e5ba2190ae67b196036f245b39c6433fadc641b9c35
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 :
2
# of downloads :
139
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
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T17:10:00Z UTC
Last seen:
2026-01-12T19:02:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=226b6828-1800-0000-195c-86e6180c0000 pid=3096 /usr/bin/sudo guuid=ff985a2a-1800-0000-195c-86e6200c0000 pid=3104 /tmp/sample.bin net guuid=226b6828-1800-0000-195c-86e6180c0000 pid=3096->guuid=ff985a2a-1800-0000-195c-86e6200c0000 pid=3104 execve 79501b44-12a3-545c-8bae-d38b171674eb 45.117.177.93:53 guuid=ff985a2a-1800-0000-195c-86e6200c0000 pid=3104->79501b44-12a3-545c-8bae-d38b171674eb con guuid=1849a32a-1800-0000-195c-86e6220c0000 pid=3106 /tmp/sample.bin dns net send-data zombie guuid=ff985a2a-1800-0000-195c-86e6200c0000 pid=3104->guuid=1849a32a-1800-0000-195c-86e6220c0000 pid=3106 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1849a32a-1800-0000-195c-86e6220c0000 pid=3106->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 42B fa89e68f-2ccc-502f-b4db-42649241c9fb xoclo.fordvungtau.com.vn:55555 guuid=1849a32a-1800-0000-195c-86e6220c0000 pid=3106->fa89e68f-2ccc-502f-b4db-42649241c9fb send: 7B 2b8da86c-3bed-5001-b279-ed3f864aa69f xoclo.fordvungtau.com.vn:53 guuid=1849a32a-1800-0000-195c-86e6220c0000 pid=3106->2b8da86c-3bed-5001-b279-ed3f864aa69f con guuid=7edcb12a-1800-0000-195c-86e6230c0000 pid=3107 /tmp/sample.bin guuid=1849a32a-1800-0000-195c-86e6220c0000 pid=3106->guuid=7edcb12a-1800-0000-195c-86e6230c0000 pid=3107 clone guuid=1b03c62a-1800-0000-195c-86e6240c0000 pid=3108 /tmp/sample.bin guuid=7edcb12a-1800-0000-195c-86e6230c0000 pid=3107->guuid=1b03c62a-1800-0000-195c-86e6240c0000 pid=3108 clone guuid=f4dd95aa-1b00-0000-195c-86e6f3130000 pid=5107 /tmp/sample.bin guuid=7edcb12a-1800-0000-195c-86e6230c0000 pid=3107->guuid=f4dd95aa-1b00-0000-195c-86e6f3130000 pid=5107 clone guuid=85022f2c-1f00-0000-195c-86e68a140000 pid=5258 /tmp/sample.bin guuid=7edcb12a-1800-0000-195c-86e6230c0000 pid=3107->guuid=85022f2c-1f00-0000-195c-86e68a140000 pid=5258 clone guuid=d0003cad-2200-0000-195c-86e68b140000 pid=5259 /tmp/sample.bin guuid=7edcb12a-1800-0000-195c-86e6230c0000 pid=3107->guuid=d0003cad-2200-0000-195c-86e68b140000 pid=5259 clone guuid=7c76532e-2600-0000-195c-86e696140000 pid=5270 /tmp/sample.bin guuid=7edcb12a-1800-0000-195c-86e6230c0000 pid=3107->guuid=7c76532e-2600-0000-195c-86e696140000 pid=5270 clone
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849467 Sample: csk_x86.elf Startdate: 12/01/2026 Architecture: LINUX Score: 100 23 xoclo.fordvungtau.com.vn 45.117.177.93, 42958, 55555 NHANHOA-AS-VNNhanHoaSoftwarecompanyVN Viet Nam 2->23 25 109.202.202.202, 80 INIT7CH Switzerland 2->25 27 2 other IPs or domains 2->27 29 Suricata IDS alerts for network traffic 2->29 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 5 other signatures 2->35 9 csk_x86.elf 2->9         started        signatures3 process4 process5 11 csk_x86.elf 9->11         started        process6 13 csk_x86.elf 11->13         started        process7 15 csk_x86.elf 13->15         started        17 csk_x86.elf 13->17         started        19 csk_x86.elf 13->19         started        21 6 other processes 13->21
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-12 19:06:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
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_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
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_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 b1e880a1c89c5d632c6b8a88a28ddd9bb6a99705e903312111183175e15138b9

(this sample)

  
Delivery method
Distributed via web download

Comments