MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6a8c799ddf7067366ab2864ca1573ba1d4afbc2d9fc70688bc8a7be54dbc78d. 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



zgRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: b6a8c799ddf7067366ab2864ca1573ba1d4afbc2d9fc70688bc8a7be54dbc78d
SHA3-384 hash: 3c94f9714ff19440a475a0e360d2c796b7fba990f8ef7dc2dac26d651e1bb9d97aac26fcc5a0dcab0875ceac4a0d6d1e
SHA1 hash: 94149642bb3bc489bd5691f6781c33bec0d128cf
MD5 hash: 0ea2e9b9e8a551c55377aa57b2c7d93b
humanhash: carbon-nebraska-georgia-november
File name:New Bunker Quote Request.lnk
Download: download sample
Signature zgRAT
File size:3'452 bytes
First seen:2023-04-08 14:43:38 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 48:8KHaKU9Dmel0iglZ+PlpQfYj1sAT1rTRRSJxodgImcC:8KHkB0+96YZsErTR0/ygMC
TLSH T1B4617C1457DA0308F3F2A73AA9BE52954E3B3956E932C74E0059414E52F1A40DCA3F37
Reporter abuse_ch
Tags:lnk RAT zgRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
146
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autorun evasive masquerade powershell powershell
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Snort IDS alert for network traffic
Suspicious powershell command line found
Windows shortcut file (LNK) starts blacklisted processes
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 843523 Sample: New_Bunker_Quote_Request.lnk Startdate: 08/04/2023 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic 2->31 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 4 other signatures 2->37 8 powershell.exe 17 20 2->8         started        process3 dnsIp4 27 179.43.175.187, 49698, 49699, 80 PLI-ASCH Panama 8->27 11 mshta.exe 1 8->11         started        14 conhost.exe 1 8->14         started        process5 signatures6 41 Windows shortcut file (LNK) starts blacklisted processes 11->41 43 Suspicious powershell command line found 11->43 16 powershell.exe 15 18 11->16         started        process7 file8 25 C:\Users\user\AppData\Roaming\Skillz.exe, PE32+ 16->25 dropped 29 Powershell drops PE file 16->29 20 Skillz.exe 16->20         started        23 conhost.exe 16->23         started        signatures9 process10 signatures11 39 Multi AV Scanner detection for dropped file 20->39
Threat name:
Shortcut.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-07 00:54:08 UTC
File Type:
Binary
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection persistence spyware stealer
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
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:EXE_in_LNK
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:Long_RelativePath_LNK
Author:@bartblaze
Description:Identifies shortcut (LNK) file with a long relative path. Might be used in an attempt to hide the path.
Rule name:PS_in_LNK
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:SUSP_LNK_PowerShell
Author:SECUINFRA Falcon Team
Description:Detects the reference to powershell inside an lnk file, which is suspicious

File information


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

Malspam

zgRAT

Shortcut (lnk) lnk b6a8c799ddf7067366ab2864ca1573ba1d4afbc2d9fc70688bc8a7be54dbc78d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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