MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26a9a9cad2af0557549ff09f68d2d5f7d12629e5485bf0d4ed56fc9651e7300a. 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 13 File information Comments

SHA256 hash: 26a9a9cad2af0557549ff09f68d2d5f7d12629e5485bf0d4ed56fc9651e7300a
SHA3-384 hash: dd790831c3fc1937881e8d86bc1a31d91546b4f448b1d4e41fb8d3b7e027d43f2fa08735a4fe41c531fc71d09b9ed885
SHA1 hash: cab1fa0534c86064da9c7484159ab6945a89a5a6
MD5 hash: 3c1f4317a77f2e1ce65fde5dffdc1211
humanhash: seventeen-eighteen-aspen-high
File name:frost.arm7
Download: download sample
Signature Mirai
File size:141'436 bytes
First seen:2025-12-22 06:54:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:2AxgMSZie41EJIMBsUWQcZ72c7Yrgrbf9ct2J3zM/9nm9I:2AxgMSZie41Me1QO72ckErbyt2JDM/9L
TLSH T1C3D35B46FA814F13C0D6177ABAEF42493322A7A4A3DB730699245FB43FC665F4E23905
telfhash t18f2144b11726d6199ea1cf9899dd23b6121cc7162346ef33ef3184ac60110ddea2bc0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c9a4f7b1626cfc17d700850cf30703632e96354ae80b1c49532acb3b464d19ec
File size (compressed) :51'960 bytes
File size (de-compressed) :141'436 bytes
Format:linux/arm
Packed file: c9a4f7b1626cfc17d700850cf30703632e96354ae80b1c49532acb3b464d19ec

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet exploit gafgyt gcc masquerade mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-22T04:03:00Z UTC
Last seen:
2025-12-22T04:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.cw HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.hv HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.a
Status:
terminated
Behavior Graph:
%3 guuid=9a4e9a58-1700-0000-3849-ecd94d0b0000 pid=2893 /usr/bin/sudo guuid=6eae675b-1700-0000-3849-ecd9520b0000 pid=2898 /tmp/sample.bin guuid=9a4e9a58-1700-0000-3849-ecd94d0b0000 pid=2893->guuid=6eae675b-1700-0000-3849-ecd9520b0000 pid=2898 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837454 Sample: frost.arm7.elf Startdate: 22/12/2025 Architecture: LINUX Score: 92 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 109.202.202.202, 80 INIT7CH Switzerland 2->19 21 3 other IPs or domains 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 2 other signatures 2->29 7 frost.arm7.elf 2->7         started        9 python3.8 dpkg 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 frost.arm7.elf 7->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-22 06:55:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion
Behaviour
Changes its process name
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7135965-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_0bce98a2 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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 26a9a9cad2af0557549ff09f68d2d5f7d12629e5485bf0d4ed56fc9651e7300a

(this sample)

  
Delivery method
Distributed via web download

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