MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84a616beb7ec6f1461fd1228ba8f629dc2b9c1d45e9cb26395e9ca7338dfc871. 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 3 File information Comments

SHA256 hash: 84a616beb7ec6f1461fd1228ba8f629dc2b9c1d45e9cb26395e9ca7338dfc871
SHA3-384 hash: 9c7a0d10c21352bceab5bb3735c4347c6a540711faccc4f413030434d1d4be053e0d6f3f552ff97acba5f86ca10f7c60
SHA1 hash: 90b64d1b75bf2187d5ff8b82420864f12929adfb
MD5 hash: 2e22660cb3d80c9b815c2c202aeb026e
humanhash: oxygen-juliet-louisiana-nine
File name:Kloki.arm4
Download: download sample
Signature Mirai
File size:32'164 bytes
First seen:2025-01-08 18:41:37 UTC
Last seen:2025-01-21 06:00:26 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:heh2UMosaCcZeOHVBT/M5ZD1k05EQCO14gFfosBKUHnC3UGwt:urVPT/IthkO1TwPUHnewt
TLSH T1ACE2E1236590E8B3C63111B3DC3D9902779BA6A521DAB075070CC2B67F89D9318BB87F
telfhash t1ad9002490c11509c200315d5d4b5ee3428d5450c4b063e034404f804b9411e32400042
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

Intelligence


File Origin
# of uploads :
2
# of downloads :
143
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
13566
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1586170 Sample: Kloki.arm4.elf Startdate: 08/01/2025 Architecture: LINUX Score: 52 23 83.222.164.170, 13566, 51952 WAVENETLB Bulgaria 2->23 25 83.222.127.11, 13566, 54958 TRI-ASTrueRecordsIncES Russian Federation 2->25 27 66 other IPs or domains 2->27 31 Multi AV Scanner detection for submitted file 2->31 8 Kloki.arm4.elf 2->8         started        10 gnome-session-binary sh gnome-shell 2->10         started        12 gnome-session-binary sh gsd-print-notifications 2->12         started        14 5 other processes 2->14 signatures3 process4 process5 16 Kloki.arm4.elf 8->16         started        process6 18 Kloki.arm4.elf 16->18         started        21 Kloki.arm4.elf 16->21         started        signatures7 29 Sample tries to kill multiple processes (SIGKILL) 18->29
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2025-01-08 18:42:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Renames itself
Verdict:
Suspicious
Tags:
n/a
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 84a616beb7ec6f1461fd1228ba8f629dc2b9c1d45e9cb26395e9ca7338dfc871

(this sample)

  
Delivery method
Distributed via web download

Comments