MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf
SHA3-384 hash: 0efebe01aa5c0016a8bf16c35371f2ae514722ae5f4a8509352ba7e079b89fc0111ca53e42ffed1372cf87dc6c9e10c9
SHA1 hash: 4a0667dc8b17f2983f806cce088b0ceb0df2ac01
MD5 hash: a6e8cb501616bb1bd0b14590cd7bd8ed
humanhash: uniform-mockingbird-twelve-cold
File name:4je8xdko
Download: download sample
Signature Mirai
Create hunting rule
File size:91'948 bytes
First seen:2025-12-20 18:12:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:PxLuSDFzSBLjeYCmBa75lRAM279ACI8abdOsvQ+j:PxaSDFzSJrBatlRAMJnpv
TLSH T1DD933951FD819612C6C122B7FB9E028D372713A9E2FE32039D256F21738B96B0E7B545
telfhash t1e44130d69a5c1bcc27f08284869e651e5af839f807107a56cf1ea76f1222ac1745d832
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 684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f
File size (compressed) :40'860 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Packed file: 684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
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
Link:
https://research.acce.ciphertechsolutions.com/results/cccfe380-5dc2-4775-813d-8ff046471bdc/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6946e7413f8fdbf8e94d183a/reports/8bce853c-81ba-4900-b677-dd99b9feb75b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T16:26:00Z UTC
Last seen:
2025-12-22T11:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6ec76ec9-b320-44b1-ba78-d77f8aa57d88
Behavior Graph:
Download SVG
%3 guuid=b062d077-1a00-0000-b13b-e48f8e0a0000 pid=2702 /usr/bin/sudo guuid=1084007a-1a00-0000-b13b-e48f930a0000 pid=2707 /tmp/sample.bin guuid=b062d077-1a00-0000-b13b-e48f8e0a0000 pid=2702->guuid=1084007a-1a00-0000-b13b-e48f930a0000 pid=2707 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/21ebadae-03d4-4a15-89ef-5f630cd8a6ed
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1836815
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836815 Sample: 4je8xdko.elf Startdate: 20/12/2025 Architecture: LINUX Score: 56 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 latinashosting.com 94.156.152.67, 12121, 40666, 40668 NET1-ASBG Bulgaria 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 10 4je8xdko.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 4je8xdko.elf 10->14         started        process6 16 4je8xdko.elf 14->16         started        process7 18 4je8xdko.elf 16->18         started        process8 20 4je8xdko.elf 18->20         started        23 4je8xdko.elf 18->23         started        signatures9 33 Manipulation of devices in /dev 20->33 35 Deletes system log files 20->35
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 18:13:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hocg6wvefvwiq4hkdanlangmidvtklvfihpkjdb2jtxalbzc33hq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251220-wtz6psxler/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056451-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d6439c68-612f-47ba-a82e-32fded56ff4f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f

Mirai

elf 3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf

(this sample)

  
Dropped by
SHA256 684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f
  
URLhaus
https://urlhaus.abuse.ch/url/3738275/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 15ded70f8343af66903571c1d10b2fdc

Comments