MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f5a7fd53488638cd3c36f39bdb6b9b35dc6df14ad837dd30eb87b95262feb2f5. 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
| SHA256 hash: | f5a7fd53488638cd3c36f39bdb6b9b35dc6df14ad837dd30eb87b95262feb2f5 |
|---|---|
| SHA3-384 hash: | 780d5f2b359cc2234b5eb68cda1ff98bda2aeb2cb8a12caf98791b253251f0e80d9bee9c00cd105ddc48ec2bc3707217 |
| SHA1 hash: | 64f2392711a5dacad0285d82823638f2337216b3 |
| MD5 hash: | 204c72c575772807a142cd60c59a6823 |
| humanhash: | sink-london-arizona-helium |
| File name: | bot |
| Download: | download sample |
| Signature | Mirai |
| File size: | 3'683'088 bytes |
| First seen: | 2025-11-25 17:32:33 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-sharedlib |
| ssdeep | 98304:VonJ1gL2vfaWtmj9OmHPxfvDsHUg4jZH2vY/LKwxRnIcG:VcrUMU5nLhd2vsWGRnI/ |
| TLSH | T16406337E9F19FDA3F5C09D3460276A94CAD25B0600DD3EF09D847962DCB02F75AAB086 |
| 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 |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 3'683'088 bytes |
|---|---|
| File size (de-compressed) : | 10'166'984 bytes |
| Format: | linux/amd64 |
| Unpacked file: | 85fb4996fd46b91bda84aae63acad45d0d5784782d09fbf5141aeb426a2ca5c6 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DEVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Changes the time when the file was created, accessed, or modified
Manages services
Receives data from a server
Collects information on the OS
Opens a port
Deleting a recently created file
Collects information on the RAM
Launching a process
Sends data to a server
Connection attempt
Sets a written file as executable
Creating a file
Collects information on the CPU
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Creating a file in the %temp% directory
Locks files
Creates or modifies files in /cron to set up autorun
Loading a system driver
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
0/10
Confidence:
100%
Tags:
miner monero packed upx xmrig
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
70
Number of processes launched:
24
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-25T10:19:00Z UTC
Last seen:
2025-11-26T00:31:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Suspicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Executes the "iptables" command to insert, remove and/or manipulate rules
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Backdoor.Mirai
Status:
Suspicious
First seen:
2025-11-25 17:33:25 UTC
File Type:
ELF64 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xmrig
Score:
10/10
Tags:
family:xmrig antivm defense_evasion discovery exection execution linux miner persistence privilege_escalation rootkit upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Reads CPU attributes
Changes its process name
Checks CPU configuration
UPX packed file
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Disables AppArmor
Disables SELinux
Enumerates running processes
Modifies init.d
Reads hardware information
Write file to user bin folder
Executes dropped EXE
Loads a kernel module
Modifies hosts file
Renames itself
Modifies the dynamic linker configuration file
XMRig Miner payload
Xmrig family
xmrig
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
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: | upx_packed_elf_v1 |
|---|---|
| Author: | RandomMalware |
| Rule name: | WHIRLPOOL_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for WhirlPool constants |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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