MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f83b6fcea566c5e30ae6135888ef928459bad7fc6e974430411ec936c124a1b. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f83b6fcea566c5e30ae6135888ef928459bad7fc6e974430411ec936c124a1b
SHA3-384 hash: 3438eba6f4225f847aa098c7e10e27a4b65126be8a73c8a940bc27c22b52842c9b69e7cfe315203e21b9a51696518dc1
SHA1 hash: 73b31ce3e8b0c921c486b27efbc035decc55e89a
MD5 hash: fb0c12dbe4cf390a0afca64eb15b06ab
humanhash: item-butter-berlin-finch
File name:hold.spc
Download: download sample
Signature Mirai
Create hunting rule
File size:77'808 bytes
First seen:2025-01-19 14:16:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dDe4zdox3Ce1ckF/pmtX/nYk5eeTt6dWIj:dcC6Fsd/nYULsdzj
TLSH T14C734B21B9361E27C0E4A47A21F74B25F2F157DE15A8CA0E7D720E9EBF615803943AF4
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678d0a72aa9c8e7858e0b583linux22vpnfull_triage
Tags:
malware
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/678d0974ce56b59135cff7c5/reports/7094c73a-6fb6-4847-960c-5de30a275fa1/overview
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5f0fce86-c360-4699-ae17-117b29b78df5
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1594614
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594614 Sample: hold.spc.elf Startdate: 19/01/2025 Architecture: LINUX Score: 100 40 krkrdoskslansldkalsd.o-r.kr 193.143.1.66, 45994, 45996, 45998 BITWEB-ASRU unknown 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 3 other signatures 2->48 8 hold.spc.elf 2->8         started        11 systemd dbus-daemon 2->11         started        13 gvfsd-fuse fusermount 2->13         started        15 42 other processes 2->15 signatures3 process4 signatures5 50 Sample deletes itself 8->50 17 hold.spc.elf 8->17         started        52 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->52 19 gpu-manager sh 15->19         started        21 gpu-manager sh 15->21         started        23 gpu-manager sh 15->23         started        25 9 other processes 15->25 process6 process7 27 hold.spc.elf 17->27         started        30 hold.spc.elf 17->30         started        32 sh grep 19->32         started        34 sh grep 21->34         started        36 sh grep 23->36         started        38 sh grep 25->38         started        signatures8 54 Sample tries to kill a massive number of system processes 27->54 56 Sample tries to kill multiple processes (SIGKILL) 27->56
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2f83b6fcea566c5e30ae6135888ef928459bad7fc6e974430411ec936c124a1b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2f83b6fcea566c5e30ae6135888ef928459bad7fc6e974430411ec936c124a1b/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 14:17:13 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f6b3n7hkkzwf4mfome2yrdxzfbczxll7y3uxiqyechwjg3asjinq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable linux
Link:
https://tria.ge/reports/250119-rlpmsa1qgr/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135906-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/3854081d-8fd1-4d95-9318-f952660343dc
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/2f83b6fcea566c5e30ae6135888ef928459bad7fc6e974430411ec936c124a1b

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_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 2f83b6fcea566c5e30ae6135888ef928459bad7fc6e974430411ec936c124a1b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405957/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3405962/

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