MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f1b7e921dde341bcfea9f0ed334e2b0ac652aa8acffd22aab5d9536375c78c5. 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: 10


Intelligence 10 IOCs YARA 14 File information Comments

SHA256 hash: 7f1b7e921dde341bcfea9f0ed334e2b0ac652aa8acffd22aab5d9536375c78c5
SHA3-384 hash: a5cc0c44e92f03d14a6f15011a290a416a9942e470a159e6cde33fb88fd5989dc56da103b231d6b5df3b7b701b5b43ae
SHA1 hash: 24f30562d2971ea69b949c3dd1db6aba977f5d43
MD5 hash: 2463d8d5ce608ecfb224177464a3f7a4
humanhash: indigo-alabama-timing-march
File name:x86_64
Download: download sample
Signature CoinMiner
File size:5'040'232 bytes
First seen:2025-11-14 20:00:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 98304:bicE4DAAwr28YBMESisWQJQ7PdRK36+aCIHIchK6KlUbdsmtWt+/:biRVcRKraDQmin
TLSH T121365C47F5A364FDC19BC434475B9963BA31785802257EBB66C0EA302A33E705B2DF62
telfhash t1a93263b14bf534f1a2d6c856f3a6f5b48a731cb126e974704832be91dfd9d810d2ac0a
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:CoinMiner elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 59c29436755b0778e968d49feeae20ed65f5fa5e35f9f7965b8ed93420db91e5
File size (compressed) :1'880'264 bytes
File size (de-compressed) :5'040'232 bytes
Format:linux/amd64
Packed file: 59c29436755b0778e968d49feeae20ed65f5fa5e35f9f7965b8ed93420db91e5

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Collects information on the RAM
Kills processes
Launching a process
Collects information on the CPU
Creating a file
Runs as daemon
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
coinminer gcc miner
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
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
Verdict:
Adware
File Type:
elf.64.le
First seen:
2025-11-14T18:55:00Z UTC
Last seen:
2025-11-16T01:36:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.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
Opens /sys/class/net/* files useful for querying network interface information
Sample tries to persist itself using cron
Tries to load the MSR kernel module used for reading/writing to CPUs model specific register
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1814441 Sample: x86_64.elf Startdate: 14/11/2025 Architecture: LINUX Score: 88 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Xmrig cryptocurrency miner 2->48 8 x86_64.elf 2->8         started        process3 signatures4 58 Found strings related to Crypto-Mining 8->58 11 x86_64.elf 8->11         started        process5 signatures6 60 Opens /sys/class/net/* files useful for querying network interface information 11->60 14 x86_64.elf sh 11->14         started        16 x86_64.elf sh 11->16         started        18 x86_64.elf sh 11->18         started        20 2 other processes 11->20 process7 process8 22 sh crontab 14->22         started        26 sh crontab 14->26         started        28 sh 14->28         started        30 sh iptables 16->30         started        32 sh iptables 16->32         started        38 2 other processes 16->38 34 sh iptables 18->34         started        36 sh iptables 18->36         started        40 2 other processes 20->40 file9 42 /var/spool/cron/crontabs/tmp.HsXeyT, ASCII 22->42 dropped 50 Sample tries to persist itself using cron 22->50 52 Executes the "crontab" command typically for achieving persistence 22->52 54 Executes the "iptables" command to insert, remove and/or manipulate rules 34->54 56 Tries to load the MSR kernel module used for reading/writing to CPUs model specific register 40->56 signatures10
Threat name:
Linux.Trojan.Miner
Status:
Malicious
First seen:
2025-11-14 20:01:29 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig antivm defense_evasion discovery execution linux miner persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads CPU attributes
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads hardware information
Reads network interface configuration
Creates Raw socket
Flushes firewall rules
Contacts a large (567017) amount of remote hosts
Creates a large amount of network flows
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: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:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:Linux_Trojan_Pornoasset_927f314f
Author:Elastic Security
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

Web download

CoinMiner

elf 7f1b7e921dde341bcfea9f0ed334e2b0ac652aa8acffd22aab5d9536375c78c5

(this sample)

  
Delivery method
Distributed via web download

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