MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb91c1a225b25ab31cde6d499a1875dcf7fed692f74b23e70b3619adeca39205. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: bb91c1a225b25ab31cde6d499a1875dcf7fed692f74b23e70b3619adeca39205
SHA3-384 hash: 8ef93ddacce856f666cc1d91bb5fb0961d433c21ffbc88f8b9492fd8dda80447e93c68275efbfd4ea4ac8789285f9a6b
SHA1 hash: a25727ee75e948030028c4d51d5cf486be263298
MD5 hash: 73611fdd2b2b9d86db30ab58bf75c6d8
humanhash: earth-sodium-double-fruit
File name:drea4
Download: download sample
Signature Mirai
File size:156'800 bytes
First seen:2025-05-06 11:51:16 UTC
Last seen:2025-05-06 17:25:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:3rARJeE54T5jFki54jjGsCSfSgveMzj2Y:3rH5jGE4jasC8vWMHn
TLSH T14CE30946BC815B27C6D612BBFB5E428D77261768D3EE72039D255F20378B85B0E3B242
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 :
2
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash explorer lolbin remote
Result
Threat name:
Aquabot
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Yara detected Aquabot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682098 Sample: drea4.elf Startdate: 06/05/2025 Architecture: LINUX Score: 76 24 raw.awaken-network.net. [malformed] 2->24 26 raw.awaken-network.net 141.98.10.142, 2211, 41900, 42482 HOSTBALTICLT Lithuania 2->26 28 5 other IPs or domains 2->28 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Aquabot 2->34 8 drea4.elf 2->8         started        10 systemd journalctl 2->10         started        12 systemd systemd-journald 2->12         started        14 4 other processes 2->14 signatures3 36 Sends malformed DNS queries 24->36 process4 process5 16 drea4.elf 8->16         started        signatures6 30 Sample deletes itself 16->30 19 drea4.elf 16->19         started        22 drea4.elf 16->22         started        process7 signatures8 38 Manipulation of devices in /dev 19->38 40 Deletes system log files 19->40 42 Sample tries to kill multiple processes (SIGKILL) 22->42
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-06 11:52:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access discovery
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Deletes itself
Malware Config
C2 Extraction:
141.98.10.142
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:F01_s1ckrule
Author:s1ckb017
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: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 bb91c1a225b25ab31cde6d499a1875dcf7fed692f74b23e70b3619adeca39205

(this sample)

  
Delivery method
Distributed via web download

Comments