MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fbbc76d849d7f66ca6a4d2bdf020c078a50d7fcc10d540b005d9edb85c7aaed. 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


Prometei


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fbbc76d849d7f66ca6a4d2bdf020c078a50d7fcc10d540b005d9edb85c7aaed
SHA3-384 hash: 171885d782272ef111ddb8fd1c6c01be8a336ea71a4f8b86c09cdbe1684054ff94f0d72f8db736d1c9c6a0b13d564032
SHA1 hash: 612a9ee09552edaab83830913a4e637f13e4a0f2
MD5 hash: 3c435c2307d2eb133c0f589fae54cbe6
humanhash: cup-bacon-illinois-butter
File name:na
Download: download sample
Signature Prometei
Create hunting rule
File size:428'272 bytes
First seen:2025-01-19 14:51:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:6QIkwT+V+46MTuxN+qpMBUH5kAAxwWVtBeSE:W4/y+qaBUZJAdVtA
TLSH T1869423F31424B3738A2C3A3EFF509E05D79A573CE559275A1A1FDDEB0F2991209C8A05
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 Prometei

Intelligence

File Origin
# of uploads :
1
# of downloads :
232
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Prometei-9941765-0
Create hunting rule

Unix.Trojan.Prometei-10012522-0
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678e2c4ae708b6e7a3ad851dlinux22vpnfull_triage
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Changes access rights for a written file
Launching a process
Manages services
Kills processes
Creating a file
Collects information on the OS
Writes files to system directory
Writes files to system subdirectory
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed packed upx
Link:
https://www.filescan.io/uploads/678d11993603120b9f2c613d/reports/3cdb76df-bc1a-4f71-ad7e-7ea78de787b3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
132
Number of processes launched:
32
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3fbbc76d849d7f66ca6a4d2bdf020c078a50d7fcc10d540b005d9edb85c7aaed
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e34da5ff-3413-48d9-8529-fa1e873e8bbc
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1594636
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594636 Sample: na.elf Startdate: 19/01/2025 Architecture: LINUX Score: 76 65 daisy.ubuntu.com 2->65 71 Malicious sample detected (through community Yara rule) 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 Machine Learning detection for sample 2->75 77 Sample is packed with UPX 2->77 9 na.elf 2->9         started        13 systemd snapd-env-generator 2->13         started        15 systemd snapd-env-generator 2->15         started        17 systemd 2->17         started        signatures3 process4 file5 63 /usr/sbin/uplugplay, DOS 9->63 dropped 79 Drops files in suspicious directories 9->79 19 na.elf 9->19         started        21 na.elf sh 9->21         started        23 na.elf sh 9->23         started        25 9 other processes 9->25 signatures6 process7 process8 27 na.elf sh 19->27         started        29 na.elf sh 19->29         started        31 na.elf sh 19->31         started        43 66 other processes 19->43 33 sh crontab 21->33         started        37 sh crontab 23->37         started        39 sh crontab 25->39         started        41 sh pgrep 25->41         started        45 7 other processes 25->45 file9 47 sh sh 27->47         started        49 sh pgrep 29->49         started        51 sh pidof 31->51         started        61 /var/spool/cron/crontabs/tmp.FNLofR, ASCII 33->61 dropped 67 Sample tries to persist itself using cron 33->67 69 Executes the "crontab" command typically for achieving persistence 33->69 53 sh sh 43->53         started        55 sh sh 43->55         started        57 sh sh 43->57         started        59 63 other processes 43->59 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3fbbc76d849d7f66ca6a4d2bdf020c078a50d7fcc10d540b005d9edb85c7aaed
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3fbbc76d849d7f66ca6a4d2bdf020c078a50d7fcc10d540b005d9edb85c7aaed/
Threat name:
Linux.Trojan.Prometei
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 14:52:05 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h654o3metv7wnstkjuv56aqma6ffbv74yegvicyalwpnxbohvlwq._file
Result
Malware family:
prometei_elf
Create hunting rule
Score:
  10/10
Tags:
family:prometei_elf botnet discovery infostealer linux miner persistence privilege_escalation upx
Link:
https://tria.ge/reports/250119-r8p7tssqhn/
Behaviour
Reads runtime system information
Reads CPU attributes
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Deletes itself
Modifies hosts file
Reads EFI boot settings
Prometei
Prometei_elf family
Verdict:
Malicious
Tags:
Unix.Trojan.Prometei-9941765-0
YARA:
n/a
Link:
https://app.threat.zone/submission/80b3795a-74a8-46f5-957e-82f2c12d2e30
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/3fbbc76d849d7f66ca6a4d2bdf020c078a50d7fcc10d540b005d9edb85c7aaed

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
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
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Prometei

elf 3fbbc76d849d7f66ca6a4d2bdf020c078a50d7fcc10d540b005d9edb85c7aaed

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3397968/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments