MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2cf3b5ee7f5f56086bde7a4dabc56eb9d218a9731a8e9b6a5dbe7b749bcdc70. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: d2cf3b5ee7f5f56086bde7a4dabc56eb9d218a9731a8e9b6a5dbe7b749bcdc70
SHA3-384 hash: 48995b4ead9fc8e0f44fbd223ad532eb8831ea7c34aabb1a3d2b7e33cc4876b94cab2df5d2fd0af98c8535e367cfb5b8
SHA1 hash: dc9b24bad756b93049fe7c566fe08e1fe9c75ac1
MD5 hash: 6875f19c9cad67122a9ba3e89d94f086
humanhash: zulu-oklahoma-island-lemon
File name:sumrak.arm5
Download: download sample
Signature Mirai
File size:27'432 bytes
First seen:2026-01-16 01:57:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:WVoeexKsl2d7oI3rezufFev839KHpwTiOMGnW696TDy1P/BgtLH1NUdpeUO:WVdexBl2d7RAJwK2vMGSDyZ/K1NU
TLSH T1EBC25BE2B8A55917D0C01271B61B471D33646BE0C1EF7703C8982B56764FB2A6FABF42
telfhash t1b0e07d00fd7d4f1c58e30974ccec06f1a0012256a4271f15cf54dae0c83f5416209d1d
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 949ba1a801398d9daa4b1c526790668b7504c4523c77ee21e8cc5800cbbef269
File size (compressed) :15'684 bytes
File size (de-compressed) :27'432 bytes
Format:linux/arm
Packed file: 949ba1a801398d9daa4b1c526790668b7504c4523c77ee21e8cc5800cbbef269

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash lolbin masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-15T23:09:00Z UTC
Last seen:
2026-01-15T23:57:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=0f9f632a-1b00-0000-0cce-bfb43a0c0000 pid=3130 /usr/bin/sudo guuid=35cac42c-1b00-0000-0cce-bfb4410c0000 pid=3137 /tmp/sample.bin guuid=0f9f632a-1b00-0000-0cce-bfb43a0c0000 pid=3130->guuid=35cac42c-1b00-0000-0cce-bfb4410c0000 pid=3137 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1851785 Sample: sumrak.arm5.elf Startdate: 16/01/2026 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 sumrak.arm5.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-16 01:58:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:owari
Malware Config
C2 Extraction:
sumrak2026.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 d2cf3b5ee7f5f56086bde7a4dabc56eb9d218a9731a8e9b6a5dbe7b749bcdc70

(this sample)

  
Delivery method
Distributed via web download

Comments