MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 843eb2ca1e64034f3d181ae788b37c41fff31c04060a7d8f7beb81d6bde2f6d4. 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



Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 843eb2ca1e64034f3d181ae788b37c41fff31c04060a7d8f7beb81d6bde2f6d4
SHA3-384 hash: 5c159540db6bfe44d1eb813d5460f26e07836fc345f3ef1da5d31aed50bed233cc6b1ec7246863ae494c64fb99fee805
SHA1 hash: b0d3064b828e724d08bc742e0ec3e15b727950b8
MD5 hash: ae025d55a14f799eb1e6ded2f987ff45
humanhash: white-thirteen-vegan-robert
File name:Item.png.lnk
Download: download sample
File size:3'446 bytes
First seen:2023-04-11 10:31:08 UTC
Last seen:2023-04-14 07:52:01 UTC
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 48:8wHazU9Dmel0iglZ+N+lpQfYj1sAT1rTRRSJxodgImcC:8wH7B0+06YZsErTR0/ygMC
TLSH T15E618C1457EA0708F3F3AB3A69BF52994E3B3956E932C74E0059414E52F1A40DCA2F37
Reporter abuse_ch
Tags:lnk

Intelligence


File Origin
# of uploads :
5
# of downloads :
97
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:
evad
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 submitted file
Renames powershell.exe to bypass HIPS
Suspicious powershell command line found
Uses an obfuscated file name to hide its real file extension (double extension)
Uses cmd line tools excessively to alter registry or file data
Very long command line found
Windows shortcut file (LNK) starts blacklisted processes
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 844576 Sample: Item.png.lnk Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 4 other signatures 2->67 9 powershell.exe 17 20 2->9         started        12 cmd.exe 1 2->12         started        15 cmd.exe 1 2->15         started        process3 dnsIp4 53 179.43.175.187, 49707, 49708, 80 PLI-ASCH Panama 9->53 55 192.168.2.1 unknown unknown 9->55 17 mshta.exe 1 9->17         started        20 conhost.exe 1 9->20         started        73 Very long command line found 12->73 75 Uses cmd line tools excessively to alter registry or file data 12->75 77 Renames powershell.exe to bypass HIPS 12->77 22 Build.bat.exe 1 12->22         started        24 conhost.exe 12->24         started        26 reg.exe 1 12->26         started        28 attrib.exe 1 12->28         started        30 Build.bat.exe 1 15->30         started        32 conhost.exe 15->32         started        34 2 other processes 15->34 signatures5 process6 signatures7 57 Windows shortcut file (LNK) starts blacklisted processes 17->57 59 Suspicious powershell command line found 17->59 36 powershell.exe 15 18 17->36         started        process8 signatures9 69 Windows shortcut file (LNK) starts blacklisted processes 36->69 39 cmd.exe 2 36->39         started        43 conhost.exe 36->43         started        process10 file11 51 C:\Users\user\AppData\Roaming\Build.bat.exe, PE32 39->51 dropped 71 Uses cmd line tools excessively to alter registry or file data 39->71 45 conhost.exe 39->45         started        47 reg.exe 1 1 39->47         started        49 attrib.exe 1 39->49         started        signatures12 process13
Threat name:
Shortcut.Trojan.WinLnk
Status:
Malicious
First seen:
2023-04-11 00:35:29 UTC
File Type:
Binary
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
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

Shortcut (lnk) lnk 843eb2ca1e64034f3d181ae788b37c41fff31c04060a7d8f7beb81d6bde2f6d4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments