MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3caa384c9c7cde8cc82dbfbe391eadb1759f966dcf101d8f6a85e2c83b1b71bc. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 3caa384c9c7cde8cc82dbfbe391eadb1759f966dcf101d8f6a85e2c83b1b71bc
SHA3-384 hash: 386ade2fdd19c95023c171c7e4ac5f3171358600427387eb3623705c510468f9998237df105a03d2d2ce400e0f098644
SHA1 hash: 97deb8fccc98c783236b42bfd1ee23653920fd2e
MD5 hash: f5829495edce9de65b897fdefdfe0b56
humanhash: friend-three-helium-cola
File name:rep.arm7
Download: download sample
Signature Mirai
File size:50'360 bytes
First seen:2025-08-17 03:53:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:LsPWnve3Ts1u3LjCLpoxh9zp8mP3bObNSYI7kPtlSms278HAeFXyakvq3UoV:u2mjs1lLMFp9EugPtlqFXya/
TLSH T1BA33F1232166E187F2F92C338934D290FF5599BCB97E312533B0CB489FC158575BA4A9
telfhash t1f39002617c3d1154a5d500c896d3c8c10634186e088f96f20117388691c2d041013c40
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 :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Mounts file systems
Receives data from a server
Collects information on the CPU
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android masquerade mirai
Status:
terminated
Behavior Graph:
%3 guuid=8591cac5-1a00-0000-fade-b9d35a0b0000 pid=2906 /usr/bin/sudo guuid=c128b0c9-1a00-0000-fade-b9d35f0b0000 pid=2911 /tmp/sample.bin guuid=8591cac5-1a00-0000-fade-b9d35a0b0000 pid=2906->guuid=c128b0c9-1a00-0000-fade-b9d35f0b0000 pid=2911 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758682 Sample: rep.arm7.elf Startdate: 17/08/2025 Architecture: LINUX Score: 64 16 208.93.106.111 YPC-NETUS United States 2->16 18 201.214.192.44 VTRBANDAANCHASACL Chile 2->18 20 99 other IPs or domains 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 8 rep.arm7.elf 2->8         started        signatures3 process4 process5 10 rep.arm7.elf 8->10         started        process6 12 rep.arm7.elf 10->12         started        14 rep.arm7.elf 10->14         started       
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-17 01:22:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Contacts a large (23526) 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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information


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

Web download

Mirai

elf 3caa384c9c7cde8cc82dbfbe391eadb1759f966dcf101d8f6a85e2c83b1b71bc

(this sample)

  
Delivery method
Distributed via web download

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