MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f
SHA3-384 hash: 0b4e300d91657a23ecbfc6165e1fbcb75c37bdad14f120204f1502ef823c816d64f3d409cf4c41ea13a398079d293d08
SHA1 hash: a07f0c84cdfebc4535d2b241594d8b0ef548e0e6
MD5 hash: 0c4908eba29796fe112cba0361d83544
humanhash: mockingbird-echo-carolina-whiskey
File name:brichs.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:21'576 bytes
First seen:2025-11-15 21:03:53 UTC
Last seen:2025-11-15 22:19:08 UTC
File type: elf
MIME type:application/x-executable
ssdeep 384:MSfZrQPcpZOnJ7tKrjPjvGLzcBPkYzj/K/lDXumasir/8gWVUT8Syj:D8cv+2bvG/cRzm/Vum28gWVUT4j
TLSH T1B0A2E01077473CBDD93109360A3C74CB82BCF0A6A39B83CC9D174526ADD738A6925AE9
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 UPX
File size (compressed) :21'576 bytes
File size (de-compressed) :49'936 bytes
Format:linux/i386
Unpacked file: cc7a472d0b918025b173e5e852718dfac294d42ff6ea3bbdb3bc67ddad9f97ab

Intelligence

File Origin
# of uploads :
3
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.21724.439.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Connection attempt
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6918eb10d0a6890408b64805/reports/b55a7658-e389-401d-9c31-c5d297984ad4/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 176.123.1.63:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-15T14:23:00Z UTC
Last seen:
2025-11-16T12:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1623a9d0-0e58-4553-8d93-d6bca0a973a8
Behavior Graph:
Download SVG
%3 guuid=6082429b-1b00-0000-89e7-abf0510d0000 pid=3409 /usr/bin/sudo guuid=9ffc379d-1b00-0000-89e7-abf0590d0000 pid=3417 /tmp/sample.bin net guuid=6082429b-1b00-0000-89e7-abf0510d0000 pid=3409->guuid=9ffc379d-1b00-0000-89e7-abf0590d0000 pid=3417 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9ffc379d-1b00-0000-89e7-abf0590d0000 pid=3417->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=295b7d9d-1b00-0000-89e7-abf05b0d0000 pid=3419 /tmp/sample.bin zombie guuid=9ffc379d-1b00-0000-89e7-abf0590d0000 pid=3417->guuid=295b7d9d-1b00-0000-89e7-abf05b0d0000 pid=3419 clone guuid=b466809d-1b00-0000-89e7-abf05c0d0000 pid=3420 /tmp/sample.bin guuid=9ffc379d-1b00-0000-89e7-abf0590d0000 pid=3417->guuid=b466809d-1b00-0000-89e7-abf05c0d0000 pid=3420 clone guuid=c3ad849d-1b00-0000-89e7-abf05d0d0000 pid=3421 /tmp/sample.bin net send-data zombie guuid=9ffc379d-1b00-0000-89e7-abf0590d0000 pid=3417->guuid=c3ad849d-1b00-0000-89e7-abf05d0d0000 pid=3421 clone guuid=c3ad849d-1b00-0000-89e7-abf05d0d0000 pid=3421->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con f08cac82-a69d-56f0-b1d3-2b01cae311cf 176.123.1.63:3778 guuid=c3ad849d-1b00-0000-89e7-abf05d0d0000 pid=3421->f08cac82-a69d-56f0-b1d3-2b01cae311cf send: 5B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb732894-8ae8-41af-8d1c-12c4906f0c5f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1814765
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814765 Sample: brichs.x86.elf Startdate: 15/11/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 7 dash rm brichs.x86.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 dash rm 2->11         started        13 16 other processes 2->13 signatures3 process4 process5 15 brichs.x86.elf 7->15         started        18 brichs.x86.elf 7->18         started        20 brichs.x86.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-15 19:19:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e77tkigjjix7czbrf3ksihjerkkgpty2w2xgy44m2bcuh753mkhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251115-zw91gaxncp/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e824e237-2a37-4082-beee-d457b1378944
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_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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

elf 27ff3520c94a2ff164312ed5241d248a9467cf1ab6ae6c738cd04543ffbb628f

(this sample)

Mirai

elf cc7a472d0b918025b173e5e852718dfac294d42ff6ea3bbdb3bc67ddad9f97ab

  
URLhaus
https://urlhaus.abuse.ch/url/3709507/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 cc7a472d0b918025b173e5e852718dfac294d42ff6ea3bbdb3bc67ddad9f97ab
  
Dropping
MD5 b22332d0d6ff1b83d17b56febb9acb65

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