MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1643f787c925f36f39cba3ed09a5a974732adc708d6c5b875eec1722e82a54b. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1643f787c925f36f39cba3ed09a5a974732adc708d6c5b875eec1722e82a54b
SHA3-384 hash: 501d9109e73235701d233bba99dcaf8a8301edbf0628296955868ca5f0d89d92ffc538d9da39c45e35235301a18b44e7
SHA1 hash: 37948c98d45d8d8e143e3ffda40e51508f0b3066
MD5 hash: 14872816b11a332537550aaedc9f2f89
humanhash: angel-juliet-romeo-jig
File name:yakuza.arm4
Download: download sample
File size:155'321 bytes
First seen:2024-11-06 14:11:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:O49pHvnptQNSgfJ7ORohkz3XEmCRBvhfapfyN7efUIF0RF+syXdPvnGr0fYpHJDl:O4H003XaRlZaNyN7eFJvnGr0fYZJDRyI
TLSH T14BE32945FC54973BC2E23BFBF79A43CE373A4A54979733115A296EB02BC17891E29120
telfhash t1f93145479479ca2d2f732c586c7c4fb61256ab2331527fb0bf9ac4885533002b968d4f
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981161-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672b793a49e92a05dde3828blinux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gcc lolbin masquerade remote
Link:
https://www.filescan.io/uploads/672b79345972ad6a8aac0fc7/reports/cf9bee4b-4a0e-4a15-b5ab-386362e5218e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
171
Number of processes launched:
24
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/a1643f787c925f36f39cba3ed09a5a974732adc708d6c5b875eec1722e82a54b
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6631f1c5-9ddb-466f-8716-185d0b24ae6b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1550201
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550201 Sample: yakuza.arm4.elf Startdate: 06/11/2024 Architecture: LINUX Score: 64 39 194.110.247.46, 45152, 45154, 45156 FIRSTROOT-ASDE unknown 2->39 41 daisy.ubuntu.com 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Uses IRC for communication with a C&C 2->47 49 Uses known network protocols on non-standard ports 2->49 9 yakuza.arm4.elf 2->9         started        signatures3 process4 process5 11 yakuza.arm4.elf 9->11         started        process6 13 yakuza.arm4.elf sh 11->13         started        15 yakuza.arm4.elf sh 11->15         started        17 yakuza.arm4.elf sh 11->17         started        19 35 other processes 11->19 process7 21 sh pkill 13->21         started        23 sh busybox 13->23         started        25 sh pkill 15->25         started        27 sh busybox 15->27         started        29 sh pkill 17->29         started        31 sh busybox 17->31         started        33 sh pkill 19->33         started        35 sh busybox 19->35         started        37 63 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a1643f787c925f36f39cba3ed09a5a974732adc708d6c5b875eec1722e82a54b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1643f787c925f36f39cba3ed09a5a974732adc708d6c5b875eec1722e82a54b/
Threat name:
Linux.Trojan.Tsunami
Create hunting rule
Status:
Malicious
First seen:
2024-10-29 14:24:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufsd66d4sjptn444xi7nbgs2s5dtflohbdlmlodv53axelucuvfq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/241106-rhtsbs1gkf/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Reads CPU attributes
Enumerates running processes
Verdict:
Malicious
Tags:
trojan tsunami Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Tsunami_8a11f9be
Link:
https://app.threat.zone/submission/660e019d-b77d-4915-8824-c91753d47cc7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a1643f787c925f36f39cba3ed09a5a974732adc708d6c5b875eec1722e82a54b

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_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

elf a1643f787c925f36f39cba3ed09a5a974732adc708d6c5b875eec1722e82a54b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3278871/
  
Delivery method
Distributed via web download

Comments