MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 796f40fe64dfbe836ee4b4fa8b1481c9aadef5185ccd6bb36128566eab071eea. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 796f40fe64dfbe836ee4b4fa8b1481c9aadef5185ccd6bb36128566eab071eea
SHA3-384 hash: 1285568c2acdb3002db8304789ceb572514ef3890ce7497cdd0edc7436517a06f626d188732a21d6b40dcb277676997a
SHA1 hash: 815e9f1428cd5927b5a6cadcfa110710e711c51c
MD5 hash: 7e98825a15e47b31b822eae74bd27a1d
humanhash: cup-beer-spaghetti-cold
File name:RFQ-PO 10867XGHCH101 pdf.vbs
Download: download sample
Signature GuLoader
File size:1'013'735 bytes
First seen:2023-02-27 16:23:36 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:/amo1BeoLiWnsWhAY5sQ0XsYpTT94zsmUqh2:KM2iE/Z03isme
Threatray 304 similar samples on MalwareBazaar
TLSH T166257D62CA1616198D0F1F9EEE814D67CAB9882942270139FDDA138FE11365CC3BFB5D
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
50%
Tags:
cerberus
Result
Verdict:
UNKNOWN
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
May check the online IP address of the machine
Obfuscated command line found
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 816312 Sample: RFQ-PO 10867XGHCH101 pdf.vbs Startdate: 27/02/2023 Architecture: WINDOWS Score: 96 38 Yara detected AgentTesla 2->38 9 wscript.exe 1 2 2->9         started        process3 file4 30 C:\Users\user\Documents\Silet2.lnk, MS 9->30 dropped 48 VBScript performs obfuscated calls to suspicious functions 9->48 50 Wscript starts Powershell (via cmd or directly) 9->50 52 Obfuscated command line found 9->52 54 Very long command line found 9->54 13 powershell.exe 7 9->13         started        16 cmd.exe 1 9->16         started        signatures5 process6 signatures7 56 Very long command line found 13->56 18 powershell.exe 13->18         started        20 conhost.exe 13->20         started        22 conhost.exe 16->22         started        process8 process9 24 CasPol.exe 15 12 18->24         started        dnsIp10 32 api4.ipify.org 104.237.62.211, 443, 49696 WEBNXUS United States 24->32 34 good2greatdog.com 192.254.186.185, 443, 49695 UNIFIEDLAYER-AS-1US United States 24->34 36 api.ipify.org 24->36 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->40 42 May check the online IP address of the machine 24->42 44 Tries to steal Mail credentials (via file / registry access) 24->44 46 4 other signatures 24->46 28 WerFault.exe 4 10 24->28         started        signatures11 process12
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2023-02-27 13:01:09 UTC
File Type:
Text (PowerShell)
AV detection:
2 of 39 (5.13%)
Threat level:
  3/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:agenttesla family:guloader collection downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks QEMU agent file
Checks computer location settings
AgentTesla
Guloader,Cloudeye
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:unknown_dropper
Author:#evilcel3ri
Description:Detects an unknown dropper

File information


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

Comments