MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9
SHA3-384 hash: 9fb982ea0f517c866b1614e346b25435c0f984c05a8abfc4345bca5f64bde0451cb722f35b914053105a6e1d62269660
SHA1 hash: 8f78f4c76c22998cd3c70a89a05ae72a8da0db34
MD5 hash: 940101910c079480576e09d50b187d13
humanhash: pizza-saturn-hydrogen-thirteen
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:40'964 bytes
First seen:2025-09-04 14:14:46 UTC
Last seen:2025-09-05 03:55:08 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:WDT8s/CEDKEnCcK+wGHNsgDEumZW+qbsyw+ewEA686hZnG1jUyDAYIs3Uoze:W7CEDKEnA+JHrDv/+qPffk+U+AY9ze
TLSH T18503F19067B7DB30D5B10C3E7D6999C229C7816DF4F4B3672176485EE09E04E32A948A
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 UPX
File size (compressed) :40'964 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Unpacked file: 5690f46cdb9a69f74780ae0949f0a4d053b13d7746d8142b3fd5836360270205

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68b99f261c81c34281de8a2b/reports/841c1c01-1ab4-4ea6-81ba-6fd83f36fcc4/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
47
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-04T12:33:00Z UTC
Last seen:
2025-09-04T12:33:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1bd9c084-9840-4177-9a36-332a1204002f
Behavior Graph:
Download SVG
%3 guuid=ead0c648-1800-0000-aca5-8fa7360c0000 pid=3126 /usr/bin/sudo guuid=59f5c94a-1800-0000-aca5-8fa73d0c0000 pid=3133 /tmp/sample.bin guuid=ead0c648-1800-0000-aca5-8fa7360c0000 pid=3126->guuid=59f5c94a-1800-0000-aca5-8fa73d0c0000 pid=3133 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/10433f82-3d23-43bf-94c0-1a6b3239f2a2
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1771199
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1771199 Sample: morte.arm.elf Startdate: 04/09/2025 Architecture: LINUX Score: 60 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->31 33 3 other IPs or domains 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Sample is packed with UPX 2->37 10 morte.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 9 other processes 2->16 signatures3 process4 process5 18 morte.arm.elf 10->18         started        process6 20 morte.arm.elf 18->20         started        process7 22 morte.arm.elf 20->22         started        process8 24 morte.arm.elf 22->24         started        27 morte.arm.elf 22->27         started        signatures9 39 Manipulation of devices in /dev 24->39 41 Deletes system log files 24->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-09-04 14:16:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3eqtq7snxi64jja2mbp3cdsiw2kqzixkwd6ar5mxve7vrlbkzdeq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/250904-rk5ydagn2w/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c80f737f-e61b-44cf-b498-425ffa58e60a
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/d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

sh 1471e97ba5029c7b8c56f0ab72a712ecb9faba4e1cf9cf3d57c055f188245cb1

Mirai

elf d921387e4dba3dc4a41a605fb10e48b6950ca2eab0fc08f597a93f58ac2ac8c9

(this sample)

Mirai

elf 5690f46cdb9a69f74780ae0949f0a4d053b13d7746d8142b3fd5836360270205

  
URLhaus
https://urlhaus.abuse.ch/url/3590933/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5690f46cdb9a69f74780ae0949f0a4d053b13d7746d8142b3fd5836360270205
  
Dropping
MD5 825fc5f399f36bb794fbe694bf6da6b2
  
URLhaus
https://urlhaus.abuse.ch/url/3586701/
  
URLhaus
https://urlhaus.abuse.ch/url/3612993/
  
Dropped by
SHA256 1471e97ba5029c7b8c56f0ab72a712ecb9faba4e1cf9cf3d57c055f188245cb1
  
Dropped by
MD5 c903d5e84e50d5b8cf4c08acd5626857
  
URLhaus
https://urlhaus.abuse.ch/url/3586702/
  
URLhaus
https://urlhaus.abuse.ch/url/3618217/

Comments