MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d
SHA3-384 hash: 23ee429052ecf7a28f391337f16b5572c8346f54a6652313220e1671639c1ff66ceb27f0c0935fb85d7ae74a6796af08
SHA1 hash: 5e0e1a38ee2d9bb1e8ad4a794f993fcbe83ec58d
MD5 hash: b13187666e6dc059224582a774eea7a2
humanhash: winter-cardinal-alpha-helium
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:4'886'680 bytes
First seen:2026-05-15 00:59:33 UTC
Last seen:2026-05-16 00:27:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:H0Nw2dw10pKbMz6o/7BGo7ghX6Spa+kVvdxaWWNleANUw7:UNw2e1qLt+kA+U
TLSH T145361950FECB05F6E9031D3144ABA26F53315E098B24EBD7EA14BF29F977692193620C
telfhash t1f1c2acb7159ca4ec77f08507869f7520def6e43725d0387169f2b8c096b2e13ab26878
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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 :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Flooder-ACG.28773337.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Collects information on the network activity
Sets a written file as executable
Collects information on the RAM
Creating a file
Connection attempt
Receives data from a server
Writes files to system directory
Deletes a system binary file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 crypto golang obfuscated reconnaissance
Link:
https://www.filescan.io/uploads/6a06704adf14f1cb2ad6a038/reports/00b77f78-3b86-4e48-bc9b-32e67fd4c1fa/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
5
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
Elf
First seen:
2026-05-14T22:16:00Z UTC
Last seen:
2026-05-16T19:32:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/428bd711-62e5-4d7c-a965-9f7dacdd45c7
Behavior Graph:
Download SVG
%3 guuid=abdf4ff3-1600-0000-cf53-1f1f470e0000 pid=3655 /usr/bin/sudo guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656 /tmp/sample.bin delete-file net send-data write-config write-file guuid=abdf4ff3-1600-0000-cf53-1f1f470e0000 pid=3655->guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656 execve 81f55d0f-af71-591d-8d12-f7babebf5cc3 94.156.152.234:9111 guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656->81f55d0f-af71-591d-8d12-f7babebf5cc3 send: 176B guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3667 /tmp/sample.bin guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656->guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3667 clone guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3668 /tmp/sample.bin send-data guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656->guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3668 clone guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3670 /tmp/sample.bin send-data guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656->guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3670 clone guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3671 /tmp/sample.bin send-data guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656->guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3671 clone guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3732 /tmp/sample.bin send-data guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656->guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3732 clone guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=4104 /tmp/sample.bin send-data guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3656->guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=4104 clone guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3668->81f55d0f-af71-591d-8d12-f7babebf5cc3 send: 141B guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3670->81f55d0f-af71-591d-8d12-f7babebf5cc3 send: 105B guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3671->81f55d0f-af71-591d-8d12-f7babebf5cc3 send: 214B guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=3732->81f55d0f-af71-591d-8d12-f7babebf5cc3 send: 179B guuid=f1bf34f6-1600-0000-cf53-1f1f480e0000 pid=4104->81f55d0f-af71-591d-8d12-f7babebf5cc3 send: 141B
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b11d44f7-5018-43f7-80f6-565f2e9bb963
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-05-15 01:01:02 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeg2p63lr5z7rc7kmaqgu3zzhxbodqxi26tm7m3zlz75jmnf7e6q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/260515-bcgmtafz3m/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies environment variables
Write file to user bin folder
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.59
Link:
https://yomi.yoroi.company/submissions/c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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

sh 890f9f63dfa80674ded1caae9f88f9b6f0eb98c8ba8bebdf028898294c8f252a

Mirai

elf c90da7fb6b8f73f88bea60206a6f393dc2e1c2e8d7a6cfb3795e7fd4b1a5f93d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3843410/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 890f9f63dfa80674ded1caae9f88f9b6f0eb98c8ba8bebdf028898294c8f252a
  
Dropped by
MD5 5f7f28413300eda9fd8eb8f0faca606d

Comments