MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4
SHA3-384 hash: 03a91c182505ab810fe78c6515293cccb13a82f41f5f9f31279d7560cdb8d1b0b65e0fdd64b630ae3a9d9bb937119601
SHA1 hash: 4b9567f8239abb9258a57acc647af5e1dc768d0b
MD5 hash: 39697a2050f144c294cedc76b8c917b6
humanhash: snake-avocado-mississippi-mars
File name:bot.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:1'054'248 bytes
First seen:2026-05-26 04:36:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:/lB4QNgL2+mCn6IyUWmPcqdLm0TglzBGcT:/lOQNgHmC6IpfcISRlzp
TLSH T158258D2AB2F3F6BCD007C03447DBCAA15531F0756A312D7B22C4DA393EA6DA51359B26
telfhash t14fc0120e4d73c00c827ecb0847de019d155b15170c1fcc048f71d56fd9a18941702d4a
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0681924b8232338f297a87f6faa886f3dfe8405365d206c9099a1b19ad990489
File size (compressed) :436'748 bytes
File size (de-compressed) :1'054'248 bytes
Format:linux/amd64
Packed file: 0681924b8232338f297a87f6faa886f3dfe8405365d206c9099a1b19ad990489

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Agent-ELP.56564388.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Launching a process
Receives data from a server
Collects information on the RAM
Connection attempt
Sends data to a server
Collects information on the CPU
Creating a file in the %temp% directory
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6a15472c46e44aecc0bbd3f1/reports/aa4b2f37-f1b9-430d-8b86-877e838c1874/overview
Verdict:
Adware
File Type:
elf.64.le
First seen:
2026-05-26T01:48:00Z UTC
Last seen:
2026-05-26T02:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d1700adf-2c30-45b9-a28f-166990141169
Behavior Graph:
Download SVG
%3 guuid=0c59dffb-1800-0000-9d82-12c3180d0000 pid=3352 /usr/bin/sudo guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358 /tmp/sample.bin guuid=0c59dffb-1800-0000-9d82-12c3180d0000 pid=3352->guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358 execve guuid=bf7aa6fe-1800-0000-9d82-12c3200d0000 pid=3360 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=bf7aa6fe-1800-0000-9d82-12c3200d0000 pid=3360 execve guuid=20c39d08-1900-0000-9d82-12c3340d0000 pid=3380 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=20c39d08-1900-0000-9d82-12c3340d0000 pid=3380 execve guuid=a4b53710-1900-0000-9d82-12c3430d0000 pid=3395 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=a4b53710-1900-0000-9d82-12c3430d0000 pid=3395 execve guuid=0a8ca517-1900-0000-9d82-12c3560d0000 pid=3414 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=0a8ca517-1900-0000-9d82-12c3560d0000 pid=3414 execve guuid=f4cf8b1f-1900-0000-9d82-12c36f0d0000 pid=3439 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=f4cf8b1f-1900-0000-9d82-12c36f0d0000 pid=3439 execve guuid=6d6add29-1900-0000-9d82-12c3910d0000 pid=3473 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=6d6add29-1900-0000-9d82-12c3910d0000 pid=3473 execve guuid=752bac31-1900-0000-9d82-12c3ab0d0000 pid=3499 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=752bac31-1900-0000-9d82-12c3ab0d0000 pid=3499 execve guuid=985fad39-1900-0000-9d82-12c3b60d0000 pid=3510 /usr/bin/dash guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=985fad39-1900-0000-9d82-12c3b60d0000 pid=3510 execve guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3534 /tmp/sample.bin net guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3358->guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3534 clone guuid=e84af9fe-1800-0000-9d82-12c3220d0000 pid=3362 /usr/bin/wget net send-data write-file guuid=bf7aa6fe-1800-0000-9d82-12c3200d0000 pid=3360->guuid=e84af9fe-1800-0000-9d82-12c3220d0000 pid=3362 execve f9fc61a4-90e4-58d1-9845-7d35398fc3a4 85.204.125.76:8000 guuid=e84af9fe-1800-0000-9d82-12c3220d0000 pid=3362->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 147B guuid=7e6dda08-1900-0000-9d82-12c3350d0000 pid=3381 /usr/bin/wget net send-data write-file guuid=20c39d08-1900-0000-9d82-12c3340d0000 pid=3380->guuid=7e6dda08-1900-0000-9d82-12c3350d0000 pid=3381 execve guuid=7e6dda08-1900-0000-9d82-12c3350d0000 pid=3381->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 147B guuid=95119b10-1900-0000-9d82-12c3450d0000 pid=3397 /usr/bin/wget net send-data write-file guuid=a4b53710-1900-0000-9d82-12c3430d0000 pid=3395->guuid=95119b10-1900-0000-9d82-12c3450d0000 pid=3397 execve guuid=95119b10-1900-0000-9d82-12c3450d0000 pid=3397->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 147B guuid=aec71818-1900-0000-9d82-12c3580d0000 pid=3416 /usr/bin/wget net send-data write-file guuid=0a8ca517-1900-0000-9d82-12c3560d0000 pid=3414->guuid=aec71818-1900-0000-9d82-12c3580d0000 pid=3416 execve guuid=aec71818-1900-0000-9d82-12c3580d0000 pid=3416->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 148B guuid=78b7bc1f-1900-0000-9d82-12c3710d0000 pid=3441 /usr/bin/wget net send-data write-file guuid=f4cf8b1f-1900-0000-9d82-12c36f0d0000 pid=3439->guuid=78b7bc1f-1900-0000-9d82-12c3710d0000 pid=3441 execve guuid=78b7bc1f-1900-0000-9d82-12c3710d0000 pid=3441->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 148B guuid=4d94472a-1900-0000-9d82-12c3920d0000 pid=3474 /usr/bin/wget net send-data write-file guuid=6d6add29-1900-0000-9d82-12c3910d0000 pid=3473->guuid=4d94472a-1900-0000-9d82-12c3920d0000 pid=3474 execve guuid=4d94472a-1900-0000-9d82-12c3920d0000 pid=3474->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 147B guuid=42b7e331-1900-0000-9d82-12c3ac0d0000 pid=3500 /usr/bin/wget net send-data write-file guuid=752bac31-1900-0000-9d82-12c3ab0d0000 pid=3499->guuid=42b7e331-1900-0000-9d82-12c3ac0d0000 pid=3500 execve guuid=42b7e331-1900-0000-9d82-12c3ac0d0000 pid=3500->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 153B guuid=9f96dd39-1900-0000-9d82-12c3b70d0000 pid=3511 /usr/bin/wget net send-data write-file guuid=985fad39-1900-0000-9d82-12c3b60d0000 pid=3510->guuid=9f96dd39-1900-0000-9d82-12c3b70d0000 pid=3511 execve guuid=9f96dd39-1900-0000-9d82-12c3b70d0000 pid=3511->f9fc61a4-90e4-58d1-9845-7d35398fc3a4 send: 149B aaca9415-93b0-5a08-b05f-608a83b0c788 85.204.125.76:1337 guuid=33c25cfe-1800-0000-9d82-12c31e0d0000 pid=3534->aaca9415-93b0-5a08-b05f-608a83b0c788 con
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1918404
Signature
Contains symbols with names commonly found in malware
Drops invisible ELF files
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1918404 Sample: bot.x86_64.elf Startdate: 26/05/2026 Architecture: LINUX Score: 52 56 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->56 58 85.204.125.76, 1337, 38208, 38210 TR-UPCELL-TELEKOMTR Turkey 2->58 60 4 other IPs or domains 2->60 62 Contains symbols with names commonly found in malware 2->62 64 Uses known network protocols on non-standard ports 2->64 8 bot.x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 bot.x86_64.elf sh 8->16         started        18 bot.x86_64.elf sh 8->18         started        20 bot.x86_64.elf sh 8->20         started        22 5 other processes 8->22 process6 24 sh wget 16->24         started        28 sh wget 18->28         started        30 sh wget 20->30         started        32 sh wget 22->32         started        34 sh wget 22->34         started        36 sh wget 22->36         started        38 2 other processes 22->38 file7 40 /tmp/.udp.so, ELF 24->40 dropped 66 Drops invisible ELF files 24->66 42 /tmp/.syn.so, ELF 28->42 dropped 44 /tmp/.ack.so, ELF 30->44 dropped 46 /tmp/.icmp.so, ELF 32->46 dropped 48 /tmp/.http.so, ELF 34->48 dropped 50 /tmp/.dns.so, ELF 36->50 dropped 52 /tmp/.slowloris.so, ELF 38->52 dropped 54 /tmp/.combo.so, ELF 38->54 dropped signatures8
Score:
86%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4/
Verdict:
Malicious
Threat:
NetTool.Wget.HTTP
Link:
https://tip.neiki.dev/file/91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-05-26 04:37:34 UTC
File Type:
ELF64 Little (Exe)
AV detection:
2 of 36 (5.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgwvhyehh3wra7sfjev2qpynzqqcvwtvtuouf2slmwebxwcvccsa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery linux upx
Link:
https://tria.ge/reports/260526-e85lasbx6q/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
UPX packed file
Patched UPX-packed file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.37
Link:
https://yomi.yoroi.company/submissions/91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4

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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:malwareelf55503
Create hunting rule
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a3f93172f66b74d549aa8e08c2459d87a71d98612cea666b3e783a489fb7721c

Mirai

elf 0681924b8232338f297a87f6faa886f3dfe8405365d206c9099a1b19ad990489

Mirai

elf 91ad53e0873eed107e45492ba83f0dcc202ada759d1d42ea4b65881bd85510a4

(this sample)

  
Dropped by
SHA256 0681924b8232338f297a87f6faa886f3dfe8405365d206c9099a1b19ad990489
  
URLhaus
https://urlhaus.abuse.ch/url/3853291/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 54430f2e631aaac1e7063fb7137c9736

Comments