MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb8c20768e4f5aff94c23be80dd93a39b5b701881ec6376d0f5ffe8cf9c6dbd5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb8c20768e4f5aff94c23be80dd93a39b5b701881ec6376d0f5ffe8cf9c6dbd5
SHA3-384 hash: 5d5f66eb1d7474c4cf325f6d778573dd84b4c2b8b7e7de4e026e9d8d652711b126a265a99f0d924d281659bb4e06494a
SHA1 hash: 90d9a63cfa4028a66b1f005544a22a25e5f94f89
MD5 hash: 5230694881c1275ace7df146d100105d
humanhash: lake-gee-arkansas-beer
File name:nwfaiehg4ewijfgriehgirehaughrarg.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:44'132 bytes
First seen:2025-12-06 19:40:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:3QG+TUIlpoE02wCvZHI/zw4Jp2lktVfVUfxzSpts4hN3ToTFP/BcMTXWS:gZlpoE02w4ZHms/lMVfVVfs4L3ypWMTH
TLSH T16613027FC5D63A87C07C99BA70CD223A5945F8FA3A4F4F0D9B209880531998FF8E6059
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
File size (compressed) :44'132 bytes
File size (de-compressed) :118'376 bytes
Format:linux/mipsel
Unpacked file: 8461c86ccbb736b2b32c613df575cc7c446fce17e8b7b30bf9d6bb0377ede42e

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1c905c54-c0c2-4be9-9ca8-610b6c3ef3ee/
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/69348708bc15eab491f5fef3/reports/347a7f14-1189-4d5a-8013-c5abf02439b1/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T17:50:00Z UTC
Last seen:
2025-12-07T02:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cb8c20768e4f5aff94c23be80dd93a39b5b701881ec6376d0f5ffe8cf9c6dbd5/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ba1c7784-e6a1-45b3-8843-5684a05dfa9e
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1828126
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828126 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 06/12/2025 Architecture: LINUX Score: 68 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 29 3 other IPs or domains 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Sample is packed with UPX 2->35 10 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 10->14         started        process6 16 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 14->16         started        process7 18 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 16->18         started        process8 20 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 18->20         started        23 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 18->23         started        signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb8c20768e4f5aff94c23be80dd93a39b5b701881ec6376d0f5ffe8cf9c6dbd5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb8c20768e4f5aff94c23be80dd93a39b5b701881ec6376d0f5ffe8cf9c6dbd5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-06 19:41:34 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=zogca5uoj5np7fgchpua3wj2hg23oamid3ddo3ipl77iz6og3pkq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet upx
Link:
https://tria.ge/reports/251206-yea95sdm8s/
Behaviour
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ef326b20-1d61-4fb6-88c1-2bbc01a5a809
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/cb8c20768e4f5aff94c23be80dd93a39b5b701881ec6376d0f5ffe8cf9c6dbd5

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 cb8c20768e4f5aff94c23be80dd93a39b5b701881ec6376d0f5ffe8cf9c6dbd5

(this sample)

Mirai

elf 8461c86ccbb736b2b32c613df575cc7c446fce17e8b7b30bf9d6bb0377ede42e

  
URLhaus
https://urlhaus.abuse.ch/url/3728073/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 8461c86ccbb736b2b32c613df575cc7c446fce17e8b7b30bf9d6bb0377ede42e
  
Dropping
MD5 aacb407cd10958acf37e36752eda93c5

Comments