MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045. 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


Tsnumai


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045
SHA3-384 hash: a01b357f3c9f2b5f4df180d2acaed7620c7f792ba9eb40b17a4be27bbc8462d837df8712e7395914a70bcc1e5f9da10c
SHA1 hash: 008d78aaa60bcf33751c6f266fb1550f73667986
MD5 hash: ea83d1877565696d4298d0540c7e148f
humanhash: alanine-kilo-orange-hotel
File name:xnxnxnxnxnxnxnxnaarch64xnxn
Download: download sample
Signature Tsnumai
Create hunting rule
File size:66'212 bytes
First seen:2025-10-01 06:23:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:HsyygNKYkbvLcRNP1q/HzoeKuV9lHivo0KqyA3lIM2VnNU:MysFvLcPPc/TTblHivsqyPnVnNU
TLSH T10A5301106882FED1EA908EBC47949781865F9F0CB7EB435F61E2EC17C47490D4874ABE
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 Tsnumai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Launching a process
Runs as daemon
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68dcc924c564c8e81d0b7a22/reports/ba36bfc7-f35d-49eb-9680-216ff14a6658/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-01T04:37:00Z UTC
Last seen:
2025-10-01T06:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e708618e-47c6-4cff-8790-609b61b442c8
Behavior Graph:
Download SVG
%3 guuid=666d680c-1900-0000-fc71-60ac53140000 pid=5203 /usr/bin/sudo guuid=fd92f50d-1900-0000-fc71-60ac54140000 pid=5204 /tmp/sample.bin guuid=666d680c-1900-0000-fc71-60ac53140000 pid=5203->guuid=fd92f50d-1900-0000-fc71-60ac54140000 pid=5204 execve
Malware family:
Tsunami
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/576dd029-59b1-4bac-942b-6f79339b9d2b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1787095
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes itself again with its parent PID as an argument (indicative of hampering debugging)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1787095 Sample: xnxnxnxnxnxnxnxnaarch64xnxn.elf Startdate: 01/10/2025 Architecture: LINUX Score: 72 35 109.202.202.202, 80 INIT7CH Switzerland 2->35 37 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->37 39 2 other IPs or domains 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Sample is packed with UPX 2->43 10 dash rm xnxnxnxnxnxnxnxnaarch64xnxn.elf 2->10         started        12 dash rm 2->12         started        14 dash cut 2->14         started        16 7 other processes 2->16 signatures3 process4 process5 18 xnxnxnxnxnxnxnxnaarch64xnxn.elf 10->18         started        process6 20 xnxnxnxnxnxnxnxnaarch64xnxn.elf 18->20         started        file7 31 /etc/init.d/sysd, POSIX 20->31 dropped 45 Sample tries to set files in /etc globally writable 20->45 47 Drops files in suspicious directories 20->47 49 Sample tries to persist itself using System V runlevels 20->49 24 xnxnxnxnxnxnxnxnaarch64xnxn.elf sh 20->24         started        signatures8 process9 signatures10 51 Executes itself again with its parent PID as an argument (indicative of hampering debugging) 24->51 27 sh cp 24->27         started        process11 file12 33 /usr/bin/.sh, ELF 27->33 dropped 53 Drops invisible ELF files 27->53 55 Drops files in suspicious directories 27->55 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-10-01 06:25:48 UTC
File Type:
ELF64 Little (SO)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnvb3ic3sdjh6bvirsbz6u7r5xfu3nmujdi3eko34pwx5w522bcq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Link:
https://tria.ge/reports/251001-g6dqxatlx4/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a3eb6d14-b8a4-4e2b-aa8a-9dcd6a2e8813
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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

Tsnumai

elf b36a1da05b90d27f06a88c839f53f1edcb4db59448d1b229dbe3ed7edbbad045

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3633632/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3633575/

Comments