MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 801b5e73f7824b75f2af42a0ecb466cde6855b5d8e5e31d3009ec3af8ca39308. 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



Grandoreiro


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: 801b5e73f7824b75f2af42a0ecb466cde6855b5d8e5e31d3009ec3af8ca39308
SHA3-384 hash: 628fbc1fa0279b9c15f3d19bbc0ee97d8d7c2e064c781650a3561e8c159f089ad839253d20fc9e4f6206597d88b425bf
SHA1 hash: fa84618e62625683fcfd6828112a485d450bb903
MD5 hash: 41aa2d51c499e17d2ce51106a85f3d69
humanhash: yellow-four-grey-fish
File name:6724f91d7b54a.vbs
Download: download sample
Signature Grandoreiro
File size:2'655 bytes
First seen:2024-11-01 15:57:09 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:h1jCQ6gMMgjJeVI3VA/g6TDB0rJBJhCJwiqRxOfgZapZ4X0oUdOTZtf:h1H4jJeuzZJsKiAY4pX0o0Ojf
TLSH T1D25199EF6852C14603B3CCE15B658A0DF19540675176447AFA9CEDCE0F326F4A2E01EE
Magika vba
Reporter NDA0E
Tags:geo Grandoreiro MEX PRT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
powershell autorun emotet
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
evasive
Result
Verdict:
SUSPICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Excessive usage of taskkill to terminate processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Overwrites code with function prologues
Potential malicious VBS script found (has network functionality)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Uses ipconfig to lookup or modify the Windows network settings
Uses ping.exe to check the status of other devices and networks
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1546873 Sample: 6724f91d7b54a.vbs Startdate: 01/11/2024 Architecture: WINDOWS Score: 100 60 worldtimeapi.org 2->60 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 Potential malicious VBS script found (has network functionality) 2->74 76 2 other signatures 2->76 10 wscript.exe 3 23 2->10         started        signatures3 process4 dnsIp5 62 64.94.85.196, 49700, 80 CONCENTUSNETUS United States 10->62 52 C:\_6724f91d7b3cb\unrar.dll, PE32 10->52 dropped 54 C:\_6724f91d7b3cb\CSRPS.exe, PE32 10->54 dropped 56 C:\_6724f91d7b3cb\7zxa.dll, PE32 10->56 dropped 58 C:\_6724f91d7b3cb\downloaded.zip, Zip 10->58 dropped 84 System process connects to network (likely due to code injection or exploit) 10->84 86 Benign windows process drops PE files 10->86 88 VBScript performs obfuscated calls to suspicious functions 10->88 90 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->90 15 CSRPS.exe 2 7 10->15         started        file6 signatures7 process8 dnsIp9 64 worldtimeapi.org 213.188.196.246 TELIA-NORWAY-ASTeliaNorwayCoreNetworksNO Italy 15->64 50 C:\Users\user\AppData\Local\Temp\hcx.dll, PE32 15->50 dropped 68 Overwrites code with function prologues 15->68 20 cmd.exe 1 15->20         started        23 cmd.exe 15->23         started        25 cmd.exe 15->25         started        27 7 other processes 15->27 file10 signatures11 process12 signatures13 78 Uses ping.exe to check the status of other devices and networks 20->78 80 Uses ipconfig to lookup or modify the Windows network settings 20->80 82 Excessive usage of taskkill to terminate processes 20->82 29 taskkill.exe 1 20->29         started        40 3 other processes 20->40 31 PING.EXE 23->31         started        34 taskkill.exe 1 23->34         started        42 3 other processes 23->42 36 taskkill.exe 1 25->36         started        44 3 other processes 25->44 38 taskkill.exe 1 27->38         started        46 24 other processes 27->46 process14 dnsIp15 66 127.0.0.1 unknown unknown 31->66 48 Conhost.exe 36->48         started        process16
Threat name:
Script.Trojan.Heuristic
Status:
Malicious
First seen:
2024-11-01 15:58:10 UTC
File Type:
Text (VBS)
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Behaviour
Gathers network information
Scheduled Task/Job: Scheduled Task
Enumerates physical storage devices
Blocklisted process makes network request
Modifies Windows Firewall
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:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique

File information


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

Web download

Grandoreiro

Visual Basic Script (vbs) vbs 801b5e73f7824b75f2af42a0ecb466cde6855b5d8e5e31d3009ec3af8ca39308

(this sample)

  
Delivery method
Distributed via web download

Comments