MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc1956b99db7fce70fc4edc88cedad3d42a546ee7d0ec55f0bb0340c5af4a85d. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: dc1956b99db7fce70fc4edc88cedad3d42a546ee7d0ec55f0bb0340c5af4a85d
SHA3-384 hash: 34883cf8164fab43de38e593ccf592a1050f5cd0df85220127dc7ad385cf1557a97c3f3fdd628c0d19dafe81e5ab0b7b
SHA1 hash: 01d5c1897abb4691b8a3e4daf55f9c9bceb1c9ab
MD5 hash: 2f777d1647c308a00c992138220f6b55
humanhash: bulldog-carbon-oranges-table
File name:arm7
Download: download sample
Signature Mirai
File size:256'208 bytes
First seen:2026-07-12 08:11:18 UTC
Last seen:2026-07-12 23:37:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:QuyjobS3Y2dR4EFxOMgR68WvRKntfRdtrB99Jm77XP7MUOwWCLWw3DAoyksAsfyx:KjTFRxcWZKt5drK7XP7Mqa8QkIEt
TLSH T1804423F914F4026B5CB6D5EF7A55048AFE2CCEA69124DA73FDB094D34ABF206600C932
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :256'208 bytes
File size (de-compressed) :505'608 bytes
Format:linux/arm
Unpacked file: 4ea48686b3d985f81b045eb90fbf00a24e527265837b1077ec410d6cd4e076c1

Intelligence


File Origin
# of uploads :
3
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
Collects information on the CPU
DNS request
Collects information on the RAM
Creating a file
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Status:
terminated
Behavior Graph:
%3 guuid=bdcb43a2-1e00-0000-a95b-e7ef35140000 pid=5173 /usr/bin/sudo guuid=eae57aa4-1e00-0000-a95b-e7ef36140000 pid=5174 /tmp/sample.bin guuid=bdcb43a2-1e00-0000-a95b-e7ef35140000 pid=5173->guuid=eae57aa4-1e00-0000-a95b-e7ef36140000 pid=5174 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1941141 Sample: arm7.elf Startdate: 12/07/2026 Architecture: LINUX Score: 68 31 94.79.152.6 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->31 33 103.183.119.54 VIETSERVER-AS-VNVIETSERVERSERVICESTECHNOLOGYCOMPANYLIMITEDVN Vietnam 2->33 35 101 other IPs or domains 2->35 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 43 Connects to many ports of the same IP (likely port scanning) 2->43 45 Sample is packed with UPX 2->45 8 arm7.elf 2->8         started        10 gnome-session-binary sh gsd-print-notifications 2->10         started        12 gnome-session-binary sh gnome-shell 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 arm7.elf 8->16         started        19 arm7.elf 8->19         started        21 arm7.elf 8->21         started        23 gsd-print-notifications 10->23         started        signatures6 37 Sample tries to kill multiple processes (SIGKILL) 16->37 25 arm7.elf 19->25         started        27 arm7.elf 19->27         started        29 gsd-print-notifications gsd-printer 23->29         started        process7
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-12 08:20:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm discovery upx
Behaviour
Reads runtime system information
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Unexpected DNS network traffic destination
Contacts a large (80560) amount of remote hosts
Creates a large amount of network flows
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf dc1956b99db7fce70fc4edc88cedad3d42a546ee7d0ec55f0bb0340c5af4a85d

(this sample)

  
Delivery method
Distributed via web download

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