MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2f39e61a8489485c6a66157f7e45c021ec0f12f3d0e4e4c693e79873f339edb. 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 2 File information Comments

SHA256 hash: b2f39e61a8489485c6a66157f7e45c021ec0f12f3d0e4e4c693e79873f339edb
SHA3-384 hash: 5571fb59bb871c6e0237c1b0bd05f0093f77a78dc91e6f23ce23e75a74579edc389b78e04b7876d8ef0a5db6884ccbe4
SHA1 hash: ea701cb797ba9c6c0c428f83a26e87d99fd2e7fd
MD5 hash: 68a3c67bb07d39e24c4026ad03d320a4
humanhash: freddie-bulldog-delaware-timing
File name:nwfaiehg4ewijfgriehgirehaughrarg.mpsl
Download: download sample
Signature Mirai
File size:44'108 bytes
First seen:2025-12-06 19:40:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ORZe/ZCbkHnlrbF/8sgheX0yyrv/TjEDSF6hg2Mf9UNrJP594WrWQ:i2UXu0yyr/EDS4h1McrJP594K
TLSH T15C13F1DEF79A795ACE9F4CF501C242A4A9D9F2913B829E4F831A0C4CFE6294974CC135
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) :44'108 bytes
File size (de-compressed) :118'376 bytes
Format:linux/mipsel
Unpacked file: 58cb7ab0fa824a66332e1f6489fecc95dfc1638a580b5f1076b70935274fb0d2

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T17:28:00Z UTC
Last seen:
2025-12-06T21:11:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
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
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828123 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 06/12/2025 Architecture: LINUX Score: 72 29 frohncrop77.duckdns.org 2->29 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 5 other IPs or domains 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Sample is packed with UPX 2->39 10 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 41 Uses dynamic DNS services 29->41 process4 process5 18 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 10->18         started        process6 20 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 18->20         started        process7 22 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 20->22         started        process8 24 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 22->24         started        27 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 22->27         started        signatures9 43 Manipulation of devices in /dev 24->43 45 Deletes system log files 24->45
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-06 19:41:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet upx
Behaviour
Mirai
Mirai family
Malware Config
C2 Extraction:
frohncrop77.duckdns.org
catelcro.duckdns.org
fishertriv.duckdns.org
lizadesm.duckdns.org
yukivela.duckdns.org
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: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: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 b2f39e61a8489485c6a66157f7e45c021ec0f12f3d0e4e4c693e79873f339edb

(this sample)

  
Delivery method
Distributed via web download

Comments