MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdad372e1916a731f45edde8e2db92eadfb2eda17441fb58963e87002bd4dbbd. 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


GuLoader


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: bdad372e1916a731f45edde8e2db92eadfb2eda17441fb58963e87002bd4dbbd
SHA3-384 hash: 29842710010cbf9cbfe39844a47c6963162cf0a0df3ae5877e63c1989ef42a04cd25bb42bb65fb88f6df22934b10cd60
SHA1 hash: a69bd28eef3b94fcd3f1792141de8f0bc28bae7e
MD5 hash: 77ff74408e0e839a58733518b4f5fd65
humanhash: mockingbird-thirteen-quiet-queen
File name:報價請求 - 樣本目錄.vbs
Download: download sample
Signature GuLoader
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File size:1'246'874 bytes
First seen:2024-09-02 05:46:11 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:niREMhU7JceNaOBqtVbjoOT3GMQtBzWu5aV0dGh4GwrQH:nihUNHBqfJWMWUo9GsQH
TLSH T1B6457B5EFF723EE1181C80E27E781BE2EE767E64407896506159FC28392E4F18D7B864
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Muldrop.379.13165.2532.UNOFFICIAL
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Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d55159a0c486d2f7940198
Tags:
Stealth Trojan Talu
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bdad372e1916a731f45edde8e2db92eadfb2eda17441fb58963e87002bd4dbbd
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
GuLoader, FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1502681
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Found direct / indirect Syscall (likely to bypass EDR)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
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behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1502681 Sample: #U5831#U50f9#U8acb#U6c42 - ... Startdate: 02/09/2024 Architecture: WINDOWS Score: 100 35 promenter.rs 2->35 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 11 wscript.exe 2 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\x.exe, PE32 11->31 dropped 67 Benign windows process drops PE files 11->67 69 VBScript performs obfuscated calls to suspicious functions 11->69 71 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->71 15 x.exe 32 11->15         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\System.dll, PE32 15->33 dropped 39 Switches to a custom stack to bypass stack traces 15->39 19 x.exe 6 15->19         started        signatures9 process10 dnsIp11 37 promenter.rs 77.105.36.128, 443, 49760 ORIONTELEKOM-ASRS Serbia 19->37 49 Modifies the context of a thread in another process (thread injection) 19->49 51 Maps a DLL or memory area into another process 19->51 53 Queues an APC in another process (thread injection) 19->53 55 Found direct / indirect Syscall (likely to bypass EDR) 19->55 23 RAVCpl64.exe 19->23 injected signatures12 process13 signatures14 57 Maps a DLL or memory area into another process 23->57 59 Found direct / indirect Syscall (likely to bypass EDR) 23->59 26 cmdkey.exe 23->26         started        process15 signatures16 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Switches to a custom stack to bypass stack traces 26->65 29 explorer.exe 51 1 26->29 injected process17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/bdad372e1916a731f45edde8e2db92eadfb2eda17441fb58963e87002bd4dbbd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bdad372e1916a731f45edde8e2db92eadfb2eda17441fb58963e87002bd4dbbd/
Threat name:
Script-WScript.Trojan.Guloader
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Status:
Malicious
First seen:
2024-09-02 03:21:35 UTC
File Type:
Text (VBS)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xwwtolqzc2ttd5c63xuofw4s5lp3f3nbora7wwewh2dqak6u3o6q._file
Verdict:
malicious
Label(s):
cloudeye
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Result
Malware family:
guloader
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Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/240902-ggv9natbln/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader,Cloudeye
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/bdad372e1916a731f45edde8e2db92eadfb2eda17441fb58963e87002bd4dbbd

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_Malicious_VBScript_Base64
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Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

File information

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

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