MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4766be0783b2512c3301909586bc8b5b97afb848cf0bc99df91151d6f56bc5d5. 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: 6


Intelligence 6 IOCs YARA 6 File information Comments

SHA256 hash: 4766be0783b2512c3301909586bc8b5b97afb848cf0bc99df91151d6f56bc5d5
SHA3-384 hash: 757faebc5a00fb5bbb4441503956ea52d7522f86a279de8624f4defb3a5ece78fc044f7bf19dcee0f6f6af1dd18370b1
SHA1 hash: bb7933267106a988d5b29c5b2b86403871e217e3
MD5 hash: 67328b9fa0636fcc8686db3647f78bdf
humanhash: steak-texas-hamper-triple
File name:LUZDELSUR-RECIBOMOROSO.msi
Download: download sample
File size:28'114'432 bytes
First seen:2024-02-14 02:59:09 UTC
Last seen:2024-02-14 04:20:33 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:XiVCuI6dl6Pb96E9wNCaUTTJsllTKmzp:y9dlq9GUSl+
Threatray 110 similar samples on MalwareBazaar
TLSH T1F3573311A287CA36C51D427BE468FF1E4875BEA3073101E7B2E97C6989F1CC1A5B8B53
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter 1ZRR4H
Tags:msi

Intelligence


File Origin
# of uploads :
3
# of downloads :
123
Origin country :
CL CL
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin remote shell32
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Hides threads from debuggers
Machine Learning detection for dropped file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Tries to evade analysis by execution special instruction (VM detection)
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Enumerates connected drives
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:suspicious_msi_file
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information


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

Comments