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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bc409c39bbad88d3141fd6eb71f03af9ae6f0f404faf71bd17a3e26676f6d89. 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



LegionLoader


Vendor detections: 8


Intelligence 8 IOCs YARA 12 File information Comments

SHA256 hash: 4bc409c39bbad88d3141fd6eb71f03af9ae6f0f404faf71bd17a3e26676f6d89
SHA3-384 hash: e068326522e9dd74763eb02f6192745eb378969aa1b313f89f9dbae73d3874032ce7a5c8ffbcae80c01740a859ae41d8
SHA1 hash: 2337df197fe02b58e2ce3dd6da053855cd96ed12
MD5 hash: 63332fc84da9bfe2d0ec2e8c79bd21b7
humanhash: delaware-uniform-jig-hotel
File name:Setup.msi
Download: download sample
Signature LegionLoader
File size:56'203'264 bytes
First seen:2024-12-08 00:56:00 UTC
Last seen:2024-12-08 00:57:12 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:x+Ih66e8idkF2dtoCcxgvCoczhzf557KgvPnvETaqe8s+d2tIQ66UNK4ZD:xV6FnkF2d6VXXtzR5mgvkz1d2x5wKkD
TLSH T1C8C73360B596C137D66D11B7E539EEDE423F6D220BB148DBB7E4392E0E348C19232A17
TrID 77.3% (.MSI) Microsoft Windows Installer (454500/1/170)
10.3% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.5% (.MSP) Windows Installer Patch (44509/10/5)
3.3% (.WPS) Kingsoft WPS Office document (alt.) (19502/3/2)
1.3% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter aachum
Tags:LegionLoader msi RobotDropper taco-keys-com


Avatar
iamaachum
https://trinerblogcastfeedtool.com/?t=88b943a753fce1c99bb7e03cb23f0d97 => https://mega.nz/file/eJpW0b4S#TrGFZfKDqujGM2WcuvEVPOn3S7D7t-q5tGdtOhdsNf0

LegionLoader/RobotDropper C2: https://taco-keys.com/licenseUser.php

Intelligence


File Origin
# of uploads :
2
# of downloads :
92
Origin country :
ES ES
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-vm cmd crypto expand fingerprint lolbin remote
Result
Threat name:
n/a
Detection:
suspicious
Classification:
troj.evad
Score:
34 / 100
Signature
AI detected suspicious sample
Bypasses PowerShell execution policy
NDIS Filter Driver detected (likely used to intercept and sniff network traffic)
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1570757 Sample: Setup.msi Startdate: 08/12/2024 Architecture: WINDOWS Score: 34 41 taco-keys.com 2->41 47 Suricata IDS alerts for network traffic 2->47 49 NDIS Filter Driver detected (likely used to intercept and sniff network traffic) 2->49 51 AI detected suspicious sample 2->51 53 2 other signatures 2->53 9 msiexec.exe 126 173 2->9         started        12 msiexec.exe 2 2->12         started        signatures3 process4 file5 27 C:\Windows\Installer\MSIE27.tmp, PE32 9->27 dropped 29 C:\Windows\Installer\MSIE1A5.tmp, PE32 9->29 dropped 31 C:\Windows\Installer\MSIC3EB.tmp, PE32 9->31 dropped 33 40 other files (none is malicious) 9->33 dropped 14 msiexec.exe 38 9->14         started        19 openvpn.exe 1 9->19         started        process6 dnsIp7 43 taco-keys.com 104.21.38.176, 443, 49731 CLOUDFLARENETUS United States 14->43 35 C:\Users\user\AppData\Local\Temp\scrF58.ps1, Unicode 14->35 dropped 37 C:\Users\user\AppData\Local\Temp\pssF6A.ps1, Unicode 14->37 dropped 39 C:\Users\user\AppData\Local\Temp\msiF57.txt, Unicode 14->39 dropped 45 Bypasses PowerShell execution policy 14->45 21 powershell.exe 17 14->21         started        23 conhost.exe 19->23         started        file8 signatures9 process10 process11 25 conhost.exe 21->25         started       
Gathering data
Threat name:
Win64.Trojan.CrypterX
Status:
Malicious
First seen:
2024-12-08 00:57:11 UTC
File Type:
Binary (Archive)
Extracted files:
27893
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence privilege_escalation
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Embeds OpenSSL
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory
Blocklisted process makes network request
Enumerates connected drives
Verdict:
Malicious
Tags:
Win.Packed.Lazy-10038159-0
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_LATAM_MSI_Banker
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RobotDropper
Author:NDA0E
Description:Detects RobotDropper
Rule name:suspicious_msi_file
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR
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: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

LegionLoader

Microsoft Software Installer (MSI) msi 4bc409c39bbad88d3141fd6eb71f03af9ae6f0f404faf71bd17a3e26676f6d89

(this sample)

  
Delivery method
Distributed via web download

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