MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 623c379f9d761a8719d16800f09e605cc12885d1e0341da8ef3ca562f933e318. 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



CoinMiner


Vendor detections: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: 623c379f9d761a8719d16800f09e605cc12885d1e0341da8ef3ca562f933e318
SHA3-384 hash: ff74a7879f1ab804652962efa87f43f61af9892cd2e79f9188c17b1af810d860c76612dc2fbce4dc164b42cfd93399b2
SHA1 hash: 403439b8ed4c96a05172b934bc135840182a6e59
MD5 hash: 584c34203f2da8f42fe9b90f8b849ae0
humanhash: magnesium-west-tennis-charlie
File name:arm7
Download: download sample
Signature CoinMiner
File size:1'166'272 bytes
First seen:2025-02-23 00:06:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 24576:+vmLfD2JeqzIyJ1LJz87/ePiOJ45yKqQlU+w4Ig2:+OL76zJxqfAKq52v2
TLSH T162453385E10E287286F7BC67F1488213C9D50FEE5A22ED78B118E76D409F57EA5E12F0
telfhash t1149002790fc11099a8c140348216fd51bb02285358f875ac62e0113071220304535c50
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
58
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Collects information on the CPU
Changes access rights for a written file
Connection attempt
Collects information on the RAM
Receives data from a server
DNS request
Sends data to a server
Launching a process
Changes the time when the file was created, accessed, or modified
Creating a file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
SUSPICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.evad.mine
Score:
76 / 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)
Sample is packed with UPX
Sample tries to persist itself using cron
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1621976 Sample: arm7.elf Startdate: 23/02/2025 Architecture: LINUX Score: 76 39 Malicious sample detected (through community Yara rule) 2->39 41 Yara detected Xmrig cryptocurrency miner 2->41 43 Sample is packed with UPX 2->43 8 dash rm arm7.elf 2->8         started        11 dash rm 2->11         started        process3 signatures4 45 Found strings related to Crypto-Mining 8->45 13 arm7.elf 8->13         started        process5 process6 15 arm7.elf sh 13->15         started        17 arm7.elf sh 13->17         started        19 arm7.elf sh 13->19         started        21 5 other processes 13->21 process7 23 sh crontab 15->23         started        27 sh crontab 15->27         started        29 sh 15->29         started        31 sh iptables 17->31         started        33 sh which 19->33         started        35 sh which 21->35         started        file8 37 /var/spool/cron/crontabs/tmp.zESF0I, ASCII 23->37 dropped 47 Sample tries to persist itself using cron 23->47 49 Executes the "crontab" command typically for achieving persistence 23->49 51 Executes the "iptables" command to insert, remove and/or manipulate rules 31->51 signatures9
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig antivm discovery execution miner persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads CPU attributes
Creates/modifies Cron job
Enumerates running processes
Unexpected DNS network traffic destination
Contacts a large (1295263) amount of remote hosts
Creates a large amount of network flows
XMRig Miner payload
Xmrig family
xmrig
Verdict:
Informative
Tags:
n/a
YARA:
n/a
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:elf_arm_mips_ko_so
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

CoinMiner

elf 623c379f9d761a8719d16800f09e605cc12885d1e0341da8ef3ca562f933e318

(this sample)

  
Delivery method
Distributed via web download

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