MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9d20ac6ca870e6ed03705e064dc92fcd683dd1395faf4441100529f68095662. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: f9d20ac6ca870e6ed03705e064dc92fcd683dd1395faf4441100529f68095662
SHA3-384 hash: 44fc4e89070ffbebd7aa80baecaaf9abd4f46f11c241a18db4b403b6991c31608d617d7a40902c9530129113ec0637bb
SHA1 hash: 037a0f04d37d757552beb41865cc70b1b27f8c1c
MD5 hash: dd9474810886453fbe32c5b8c47654d4
humanhash: skylark-steak-fillet-michigan
File name:Kloki.arm7
Download: download sample
Signature Mirai
File size:148'433 bytes
First seen:2025-01-19 01:51:24 UTC
Last seen:2025-01-19 07:46:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:Pmnff1g/Nd4Kta5fBfQlf7eSbkTT4vNDJ8mBM/94oK6I:PmnH1g/Ndlta5fBfQlzePMvNDJ8YM/9i
TLSH T170E33B46EA404B13C4D6177ABADF42453323A764D3DB73069928AFF43F8679E0E63605
telfhash t13421ed314b31421a6aa2eda0ddfd97b31518a7162744ef33de35c4cc241a0eae936c4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
132
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Kills processes
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Runs as daemon
Kills critical processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash expand gcc lolbin masquerade mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
29
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
13566
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594473 Sample: Kloki.arm7.elf Startdate: 19/01/2025 Architecture: LINUX Score: 72 23 83.222.194.159, 13566, 57518 SYNTERRA-ASRU Russian Federation 2->23 25 83.222.194.177, 13566, 59888 SYNTERRA-ASRU Russian Federation 2->25 27 98 other IPs or domains 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 35 Contains symbols with names commonly found in malware 2->35 8 Kloki.arm7.elf 2->8         started        10 gnome-session-binary sh gnome-shell 2->10         started        12 gnome-session-binary sh 2->12         started        14 4 other processes 2->14 signatures3 process4 process5 16 Kloki.arm7.elf 8->16         started        18 Kloki.arm7.elf 8->18         started        process6 20 Kloki.arm7.elf 16->20         started        signatures7 37 Sample tries to kill multiple processes (SIGKILL) 20->37
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-01-19 01:52:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Renames itself
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135928-0
YARA:
n/a
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:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 f9d20ac6ca870e6ed03705e064dc92fcd683dd1395faf4441100529f68095662

(this sample)

  
Delivery method
Distributed via web download

Comments