MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cadf0601dc656d783b7bc3d1791387c68cc49ec44f6370bb5b2cf4b87243e4c4. 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 File information Comments

SHA256 hash: cadf0601dc656d783b7bc3d1791387c68cc49ec44f6370bb5b2cf4b87243e4c4
SHA3-384 hash: 86ab1459ba0d93ed258157a698c6aa2d93fd6f336709526a77f15b8b09603328d7329535ee016d91f6b614394234996f
SHA1 hash: d9a531b05727f631996a6190a503e4745f77d2c2
MD5 hash: 2796418c211c6b84cb5787928fffe6ce
humanhash: sad-lima-william-colorado
File name:Zahteva za ponudbo – Katalog vzorcev.vbs
Download: download sample
Signature GuLoader
File size:1'031'965 bytes
First seen:2024-08-27 15:17:15 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:tE3zrmpXGXE7x+1/HDzsnLhN7OHlpH838q0MJS4xvHmWTgkvpHmpFr7YcHFGLzP5:YONGq01/Hmr7uxcpzZpHaucHFSi1oAI
TLSH T1B825E05AFF337FCAA85480D51D151FCAFDA44CB89092D7E0F69CB9582C8C6B611ADC28
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
70%
Tags:
Stealth Trojan Talu
Result
Verdict:
MALICIOUS
Result
Threat name:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Benign windows process drops PE files
Found direct / indirect Syscall (likely to bypass EDR)
Machine Learning detection for dropped file
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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1499878 Sample: Zahteva za ponudbo #U2013 K... Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 35 assets.msn.com 2->35 37 al-hayyat.com 2->37 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected FormBook 2->49 51 Yara detected GuLoader 2->51 53 Sigma detected: WScript or CScript Dropper 2->53 11 wscript.exe 2 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\x.exe, PE32 11->31 dropped 73 Benign windows process drops PE files 11->73 75 VBScript performs obfuscated calls to suspicious functions 11->75 77 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->77 15 x.exe 1 37 11->15         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\System.dll, PE32 15->33 dropped 41 Antivirus detection for dropped file 15->41 43 Machine Learning detection for dropped file 15->43 45 Switches to a custom stack to bypass stack traces 15->45 19 x.exe 6 15->19         started        signatures9 process10 dnsIp11 39 al-hayyat.com 95.111.243.74, 443, 49728 CONTABODE Ukraine 19->39 55 Modifies the context of a thread in another process (thread injection) 19->55 57 Maps a DLL or memory area into another process 19->57 59 Queues an APC in another process (thread injection) 19->59 61 Found direct / indirect Syscall (likely to bypass EDR) 19->61 23 RAVCpl64.exe 19->23 injected signatures12 process13 signatures14 63 Maps a DLL or memory area into another process 23->63 65 Found direct / indirect Syscall (likely to bypass EDR) 23->65 26 cmdkey.exe 23->26         started        process15 signatures16 67 Modifies the context of a thread in another process (thread injection) 26->67 69 Maps a DLL or memory area into another process 26->69 71 Switches to a custom stack to bypass stack traces 26->71 29 explorer.exe 59 3 26->29 injected process17
Threat name:
Script-WScript.Trojan.Guloader
Status:
Malicious
First seen:
2024-08-27 15:18:06 UTC
File Type:
Text (VBS)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook cloudeye
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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.

File information


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

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