MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e991bb214b2be8fda3bcd533d590730c8a7c662d7260144cdf20c0b5d8d8344b. 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 15 File information Comments
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SHA256 hash: e991bb214b2be8fda3bcd533d590730c8a7c662d7260144cdf20c0b5d8d8344b
SHA3-384 hash: aa5c2f356bf374af56fd2269ca2ea3b4d31406afa16bc77fdc42998428d4f26884011e5028608ed6a1012b612fc1a7bb
SHA1 hash: 7c037cf287ce5f7673aa32f780ea86e036720211
MD5 hash: 0cbc2e8e830ad656c29628bf919d0938
humanhash: nebraska-seventeen-winter-william
File name:caps.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:188'950 bytes
First seen:2025-07-11 15:40:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:jT4l3rmp5AB4cG/oCGGpOesXE7sXWPxFuOpWhrEoPHOMqwUm3nEoavDlFGjU54EZ:jktmp5M4cWN8ersXsxFuxNu5m2vDlFGm
TLSH T133045A4A84919EB7C155A9727DFB6834072EE5621B0F1AC6793CAAB4030F5CFB00F768
telfhash t11751664698794e3d3f721c589c6c5bb2105eab2771663eb5bf79c48c4632092e06ac4b
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
16
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Mirai-6981158-0
Create hunting rule

Unix.Trojan.Tsunami-6981163-0
Create hunting rule

Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Trojan.Mirai-7135981-0
Create hunting rule

Unix.Dropper.Mirai-7135987-0
Create hunting rule

Unix.Dropper.Mirai-7136034-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7136105-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Trojan.Mirai-7139482-0
Create hunting rule

Unix.Malware.Mirai-9885121-0
Create hunting rule

Unix.Trojan.Mirai-9886461-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=687130b2900df8e7f869e1b1linux22vpnfull_triage
Tags:
tsunami gafgyt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin mirai obfuscated obfuscated remote
Link:
https://www.filescan.io/uploads/687130ad0abaf8edd6ef14f1/reports/6fb0c2d1-1c16-43b9-8437-8e3396ee0b35/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d4405fc4-1d30-45dc-9e31-9fac7958fdfa
Behavior Graph:
Download SVG
%3 guuid=ce78e7e5-1900-0000-86b6-24f985060000 pid=1669 /usr/bin/sudo guuid=fdf236e9-1900-0000-86b6-24f991060000 pid=1681 /tmp/sample.bin guuid=ce78e7e5-1900-0000-86b6-24f985060000 pid=1669->guuid=fdf236e9-1900-0000-86b6-24f991060000 pid=1681 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/53f753fd-b310-4291-8f74-31e1e8e3e598
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1733984
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
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733984 Sample: caps.sh4.elf Startdate: 11/07/2025 Architecture: LINUX Score: 100 34 155.160.48.99, 52869 ZAMRENZM Japan 2->34 36 165.229.96.200 YU-AS-KRYeungnamUniversityKR Korea Republic of 2->36 38 98 other IPs or domains 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 5 other signatures 2->46 10 caps.sh4.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 2 other processes 2->16 signatures3 process4 process5 18 caps.sh4.elf 10->18         started        process6 20 caps.sh4.elf 18->20         started        22 caps.sh4.elf 18->22         started        process7 24 caps.sh4.elf 20->24         started        process8 26 caps.sh4.elf 24->26         started        28 caps.sh4.elf 24->28         started        30 caps.sh4.elf 24->30         started        32 3 other processes 24->32
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e991bb214b2be8fda3bcd533d590730c8a7c662d7260144cdf20c0b5d8d8344b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e991bb214b2be8fda3bcd533d590730c8a7c662d7260144cdf20c0b5d8d8344b/
Threat name:
Linux.Trojan.Tsunami
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 06:24:02 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5gi3wiklfpup3i542uz5ledtbsfhyzrnojqbitg7edallwgygrfq._file
Result
Malware family:
kaiten
Create hunting rule
Score:
  10/10
Tags:
family:kaiten linux
Link:
https://tria.ge/reports/250711-s41y7sxtgx/
Verdict:
Malicious
Tags:
botnet mirai backdoor kaiten trojan tsunami Unix.Trojan.Gafgyt-6981154-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Kaiten Linux_Trojan_Mirai_0bce98a2 Linux_Trojan_Tsunami_8a11f9be Linux_Trojan_Tsunami_ad60d7e8
Link:
https://app.threat.zone/submission/26a7aa3b-33d9-4018-bd16-75f7a0ed4000
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/e991bb214b2be8fda3bcd533d590730c8a7c662d7260144cdf20c0b5d8d8344b

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_ad60d7e8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 e991bb214b2be8fda3bcd533d590730c8a7c662d7260144cdf20c0b5d8d8344b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581431/
  
Delivery method
Distributed via web download

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