MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 85fb4996fd46b91bda84aae63acad45d0d5784782d09fbf5141aeb426a2ca5c6. 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: 13
| SHA256 hash: | 85fb4996fd46b91bda84aae63acad45d0d5784782d09fbf5141aeb426a2ca5c6 |
|---|---|
| SHA3-384 hash: | 60acb9986f54a6b4167ca8e4f2876bf0120e9939c717f0bb5addcba4695f0d059fd1e74d2baa876b00bc0bde8c7c6350 |
| SHA1 hash: | 556835e8a6829599c9e827424497fcff34f8329e |
| MD5 hash: | d8f62389b2c5c156bcacd96241bb8ff8 |
| humanhash: | red-johnny-mirror-mango |
| File name: | bot |
| Download: | download sample |
| Signature | Mirai |
| File size: | 10'166'984 bytes |
| First seen: | 2025-11-25 17:33:27 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-sharedlib |
| ssdeep | 98304:5ExDKrBIe6uK1JcVb28DTYtxeOmJosFNQ98s9PEqlWmEfpIawQW0OZkG4ckRUa3y:5EBuKpE0SUa3Gn8gMB+5qNnIFzAF |
| TLSH | T14EA67C4BF5A358ECC09AC430475FD663A931B89442317E7B3694AA342E77E305B6EF21 |
| 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 |
abuse_ch
UPX decompressed file, sourced from SHA256 f5a7fd53488638cd3c36f39bdb6b9b35dc6df14ad837dd30eb87b95262feb2f5UPX unpacked
This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.
| File size (compressed) : | 3'683'088 bytes |
|---|---|
| File size (de-compressed) : | 10'166'984 bytes |
| Format: | linux/amd64 |
| Packed file: | f5a7fd53488638cd3c36f39bdb6b9b35dc6df14ad837dd30eb87b95262feb2f5 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NLVendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Runs as daemon
Opens a port
Manages services
Launching a process
Sets a written file as executable
Creating a file
Collects information on the CPU
Collects information on the OS
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
coinminer gcc miner monero rust xmrig
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
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:
2025-11-25T15:46:00Z UTC
Last seen:
2025-11-25T16:09:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Gathering data
Result
Threat name:
Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
88 / 100
Signature
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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using System V runlevels
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Score:
95%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Coinminer.Generic
Status:
Malicious
First seen:
2025-11-25 17:34:17 UTC
File Type:
ELF64 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
4/5
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
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads CPU attributes
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:
cryptojacking xmrig
YARA:
MacOS_Cryptominer_Xmrig_241780a1 XMRIG_Monero_Miner MAL_ELF_XMRig_Jul_09
Malware family:
XMRig
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | enterpriseapps2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Enterprise apps |
| Rule name: | F01_s1ckrule |
|---|---|
| Author: | s1ckb017 |
| Rule name: | ldpreload |
|---|---|
| Author: | xorseed |
| Reference: | https://stuff.rop.io/ |
| Rule name: | Linux_Trojan_Pornoasset_927f314f |
|---|---|
| Author: | Elastic Security |
| Rule name: | MacOS_Cryptominer_Xmrig_241780a1 |
|---|---|
| Author: | Elastic Security |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | Multi_Cryptominer_Xmrig_f9516741 |
|---|---|
| Author: | Elastic Security |
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | Rustyloader_mem_loose |
|---|---|
| Author: | James_inthe_box |
| Description: | Corroded buerloader |
| Reference: | https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24 |
| Rule name: | setsockopt |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for setsockopt() red flags |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | unixredflags3 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for UNIX red flags |
| Rule name: | WHIRLPOOL_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for WhirlPool constants |
| Rule name: | XMRIG_Monero_Miner |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects Monero mining software |
| Reference: | https://github.com/xmrig/xmrig/releases |
| Rule name: | xmrig_v1 |
|---|---|
| Author: | RandomMalware |
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
Comments
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