MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45
SHA3-384 hash: e599f9f2871e59f0c38ee47195ef76ecbdab0889d809301e814c272507e8e2c9ad604ecadc12b0336440ecf0a767883b
SHA1 hash: c86f4e00b81fc181acb3d9a7cbe2240ba47792fd
MD5 hash: c8779dc5e65ee30e95931875c9da2fc7
humanhash: lake-island-april-golf
File name:nwfaiehg4ewijfgriehgirehaughrarg.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:44'108 bytes
First seen:2025-10-08 18:25:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:f7KW5p2KYJCdmi0wSxbqJAP+JBL0D3YkRm+q+LOKVbNM2BA+sHNUs3E5WlBO:WW7VgCZtSxcAAL0D3upKVhBABlk
TLSH T1B513F13CD95CDCEAC89C6935909C0974DA70E8EC6F66C34F67228098EB1654B7CF84AD
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) :44'108 bytes
File size (de-compressed) :118'376 bytes
Format:linux/mipsel
Unpacked file: fbbddac998d835c6787fd31b718240ffdcf3b1e99648abe88dbb5a46c68bf259

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Changes access rights for a file
Receives data from a server
Removes directories
Deleting a recently created file
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68e6ad68d4a0085473c46ca9/reports/71865a07-7cf0-4e2a-8b99-87343df68258/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45
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
Link:
https://opentip.kaspersky.com/b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7f4c853f-4aeb-4698-a1d7-9cda0df1ef19
Behavior Graph:
Download SVG
%3 guuid=dd771705-1a00-0000-ee3e-675e160a0000 pid=2582 /usr/bin/sudo guuid=4f08b808-1a00-0000-ee3e-675e230a0000 pid=2595 /tmp/sample.bin guuid=dd771705-1a00-0000-ee3e-675e160a0000 pid=2582->guuid=4f08b808-1a00-0000-ee3e-675e230a0000 pid=2595 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e5eb27ee-1752-42df-9025-62c51f3d42f0
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1791658
Signature
Antivirus / Scanner detection for submitted sample
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: 1791658 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 08/10/2025 Architecture: LINUX Score: 68 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 formaboyasdfa.redirectme.net 37.114.37.177, 12121, 40950, 40956 INTERCOLO-ASintercoloIP-BackboneDE Germany 2->31 33 4 other IPs or domains 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Sample is packed with UPX 2->39 10 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 process5 18 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 10->18         started        process6 20 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 18->20         started        process7 22 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 20->22         started        process8 24 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 22->24         started        27 nwfaiehg4ewijfgriehgirehaughrarg.mpsl.elf 22->27         started        signatures9 41 Manipulation of devices in /dev 24->41 43 Deletes system log files 24->43
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-08 18:29:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgqchic6flhf3jbm32qo37xfm45kid2kcse2hyx53guly5kpdjcq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251008-w4psqabr2z/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/018bbc56-dc1f-4397-a437-2f194113e11e
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/b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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: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 b1a023a05e2ace5da42cdea0edfee5673aa40f4a1489a3e2fdd9a8bc754f1a45

(this sample)

Mirai

elf fbbddac998d835c6787fd31b718240ffdcf3b1e99648abe88dbb5a46c68bf259

  
URLhaus
https://urlhaus.abuse.ch/url/3665228/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3665237/
  
Dropping
SHA256 fbbddac998d835c6787fd31b718240ffdcf3b1e99648abe88dbb5a46c68bf259
  
Dropping
MD5 65e454f98ee246c9691f5c03494495f6

Comments