MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1a790818744cde8a5bbaa73f7048e7c91bdba77b495753feada28d039f13498. 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 5 File information Comments

SHA256 hash: c1a790818744cde8a5bbaa73f7048e7c91bdba77b495753feada28d039f13498
SHA3-384 hash: 8daadc89c7f9566bb71ee3cd1774babe87aadae764a3eaf42c1ebe3241f642e785b34ab1a0f835f0df6da3dc2d1918bc
SHA1 hash: d052ee0b95376e8e1c0bba8c87500fb4849d2cef
MD5 hash: 8c91b6374b22774cef90c6373aa3a289
humanhash: monkey-single-mike-paris
File name:sora.arm
Download: download sample
Signature Mirai
File size:70'860 bytes
First seen:2025-12-29 05:40:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:eOTgWIYeMlktkUwnEU0+m7FcWS2RM8fhWtu5zPeH:eOTgWLeMDcJS2Rrpeu5K
TLSH T19D630891B881A626C2D1137BFA6F018E372457D8E2DB33139D255FA0778A81F0D57F8A
telfhash t14a41d1f74ba40bcc67e8a149c98c711c5ff5b05aaf092483590caa4fc85b5d2b00e437
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 ffa06b1e229733d961237ddfeb55a853a0db35e58078ef773dec3a1a133e4e73
File size (compressed) :27'344 bytes
File size (de-compressed) :70'860 bytes
Format:linux/arm
Packed file: ffa06b1e229733d961237ddfeb55a853a0db35e58078ef773dec3a1a133e4e73

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T03:56:00Z UTC
Last seen:
2025-12-29T04:31:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f204a8b2-1f00-0000-707a-04fa2b0b0000 pid=2859 /usr/bin/sudo guuid=4d5dadb4-1f00-0000-707a-04fa310b0000 pid=2865 /tmp/sample.bin guuid=f204a8b2-1f00-0000-707a-04fa2b0b0000 pid=2859->guuid=4d5dadb4-1f00-0000-707a-04fa310b0000 pid=2865 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841178 Sample: sora.arm.elf Startdate: 29/12/2025 Architecture: LINUX Score: 76 30 149.230.252.11 UUNETUS Germany 2->30 32 74.99.183.168 UUNETUS United States 2->32 34 98 other IPs or domains 2->34 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 8 sora.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 sora.arm.elf 8->16         started        18 sora.arm.elf 8->18         started        21 sora.arm.elf 8->21         started        signatures6 23 sora.arm.elf 16->23         started        26 sora.arm.elf 16->26         started        28 sora.arm.elf 16->28         started        36 Sample tries to kill multiple processes (SIGKILL) 18->36 process7 signatures8 46 Sample tries to kill multiple processes (SIGKILL) 23->46
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-29 05:41:42 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:sora
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf c1a790818744cde8a5bbaa73f7048e7c91bdba77b495753feada28d039f13498

(this sample)

  
Delivery method
Distributed via web download

Comments