MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c3a3c4729538b9e4fd9d15f789058a0e90a8742ebdc0f819fab6322e3aba7c9. 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: 5c3a3c4729538b9e4fd9d15f789058a0e90a8742ebdc0f819fab6322e3aba7c9
SHA3-384 hash: 2c9f42d63d57ee270a966b1e1a8a6ed45d2d6621c513af009cf100dafd44f588ceeb008669cae4fcf5ff5f0df954a09a
SHA1 hash: f4a87af3ac5a161b7da7e43437da992499de7121
MD5 hash: 0c779d3409e533c119ef591d78b09bb5
humanhash: king-arizona-november-georgia
File name:nwfaiehg4ewijfgriehgirehaughrarg.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:91'948 bytes
First seen:2025-12-06 19:42:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:D4UjcWcuurmzETcbPC8GNW2yqt8JfPxXCsdRKW997pvY8z:D4UIYurm68GNyqt8Jf0S0gl
TLSH T1AF934A95FD818612C6C112B7FB6E428D372313A8E2EE32439D255F2173CB92B0E7B555
telfhash t1874100ba8f5c0fdc6be1c348868a525e89f936fe07046a568f1f5b9f4852ac0705e433
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 bb51e25885d5e77d1c772a51053f9f03fbb64cff853caf5cc55623a393ddb4fd
File size (compressed) :40'948 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Packed file: bb51e25885d5e77d1c772a51053f9f03fbb64cff853caf5cc55623a393ddb4fd

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
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/cc8b1399-e27e-4e47-bcf5-53048cf29db5/
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:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T17:53:00Z UTC
Last seen:
2025-12-07T02:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5c3a3c4729538b9e4fd9d15f789058a0e90a8742ebdc0f819fab6322e3aba7c9/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e29324ff-2b6d-4dae-8ce8-8be7164c0f14
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1828081
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828081 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 06/12/2025 Architecture: LINUX Score: 60 25 frohncrop77.duckdns.org 2->25 27 frohncrop77.duckdns.org 185.133.173.243, 12121, 36258 TNETKOM-ASDE Germany 2->27 29 4 other IPs or domains 2->29 31 Multi AV Scanner detection for submitted file 2->31 10 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 33 Uses dynamic DNS services 25->33 process4 process5 14 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 10->14         started        process6 16 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 14->16         started        process7 18 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 16->18         started        process8 20 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 18->20         started        23 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5c3a3c4729538b9e4fd9d15f789058a0e90a8742ebdc0f819fab6322e3aba7c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c3a3c4729538b9e4fd9d15f789058a0e90a8742ebdc0f819fab6322e3aba7c9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-06 19:43:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lq5dyrzjkofz4t6z2fpxrecyuduqvb2c5poa7am7vnrsfy5lu7eq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251206-yfgtbadn6t/
Malware Config
C2 Extraction:
frohncrop77.duckdns.org
catelcro.duckdns.org
fishertriv.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056451-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e0230f5c-db8e-4366-ae1d-ac554cda22d5
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/5c3a3c4729538b9e4fd9d15f789058a0e90a8742ebdc0f819fab6322e3aba7c9

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 bb51e25885d5e77d1c772a51053f9f03fbb64cff853caf5cc55623a393ddb4fd

Mirai

elf 5c3a3c4729538b9e4fd9d15f789058a0e90a8742ebdc0f819fab6322e3aba7c9

(this sample)

  
Dropped by
SHA256 bb51e25885d5e77d1c772a51053f9f03fbb64cff853caf5cc55623a393ddb4fd
  
URLhaus
https://urlhaus.abuse.ch/url/3728093/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 47da614739c8fdb7eb50bbd8e6db6b6e

Comments