MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c08b9178c05ab765a3d7754ac99f4ba1abddb226dbb6cc898bc692bba1898a1. 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


Konni


Vendor detections: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c08b9178c05ab765a3d7754ac99f4ba1abddb226dbb6cc898bc692bba1898a1
SHA3-384 hash: 7a0f784d4adfb36f118818394a5e4157cc082dfaa127f97a4f643f1f43f51cece2ac27ff46d57baf791d16bb77120725
SHA1 hash: 1a8d8aa268d0475408f8a10c96d4cfee5e122011
MD5 hash: 6f5e4b45ca0d8c1128d27a15421eea38
humanhash: missouri-enemy-connecticut-yellow
File name:국세청 종합소득세 해명자료 제출 안내.hwp.lnk
Download: download sample
Signature Konni
Create hunting rule
File size:180'614 bytes
First seen:2023-09-05 05:06:40 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 3072:7g99+K+7S7ft8Niq+NXh2qrGqToXAZSWW2NETulGS0xVjIQzu8tZKaDJJhVRYmxi:kyKySJqsxxyqJ/Su0ScpS8vKaDJJhfY7
TLSH T12304CF3D09DF182FE96CE67942E55697F063D62A30B1687900FF87264F13912BE8532E
Reporter abuse_ch
Tags:KONNI lnk

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
TwinWave.LNKPShellMotherBoardFire.20220428.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/7c08b9178c05ab765a3d7754ac99f4ba1abddb226dbb6cc898bc692bba1898a1/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade powershell
Link:
https://www.filescan.io/uploads/64f6b77bb7dd6394f710ee12/reports/a51a6451-b35c-4134-9f96-dec7f12afa91/overview
Verdict:
Malicious
Labled as:
Trojan.Multi.Powesta
Link:
https://www.hybrid-analysis.com/sample/7c08b9178c05ab765a3d7754ac99f4ba1abddb226dbb6cc898bc692bba1898a1
Result
Threat name:
Konni
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1303266
Signature
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates processes via WMI
Deletes itself after installation
Found suspicious ZIP file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell creates an autostart link
Powershell drops PE file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Suspicious powershell command line found
Uses cmd line tools excessively to alter registry or file data
Uses nslookup.exe to query domains
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows shortcut file (LNK) starts blacklisted processes
Yara detected Konni
Yara detected Obfuscated Powershell
Yara detected Powershell dedcode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1303266 Sample: b0b4.hwp.lnk Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 52 ttzcloud.com 2->52 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Windows shortcut file (LNK) starts blacklisted processes 2->72 74 8 other signatures 2->74 8 cmd.exe 1 2->8         started        11 cmd.exe 8 2->11         started        14 cmd.exe 2->14         started        16 5 other processes 2->16 signatures3 process4 file5 92 Windows shortcut file (LNK) starts blacklisted processes 8->92 94 Suspicious powershell command line found 8->94 96 Very long command line found 8->96 18 powershell.exe 6 36 8->18         started        22 conhost.exe 1 8->22         started        48 C:\Users\Public\Documents\cuserdown.txt, ASCII 11->48 dropped 50 C:\Users\Public\Documents\cuserdocu.txt, ASCII 11->50 dropped 98 Uses cmd line tools excessively to alter registry or file data 11->98 100 Uses nslookup.exe to query domains 11->100 24 nslookup.exe 11->24         started        27 reg.exe 1 1 11->27         started        29 systeminfo.exe 11->29         started        33 7 other processes 11->33 31 nslookup.exe 14->31         started        35 7 other processes 14->35 37 8 other processes 16->37 signatures6 process7 dnsIp8 42 C:\Users\Public\Documents\start.vbs, ASCII 18->42 dropped 44 C:\Users\Public\Documents\36838375.bat, DOS 18->44 dropped 46 C:\Users\Public\Documents\unzip.exe, PE32 18->46 dropped 76 Deletes itself after installation 18->76 78 Powershell creates an autostart link 18->78 80 Powershell drops PE file 18->80 39 wscript.exe 18->39         started        60 3 other IPs or domains 24->60 82 May check the online IP address of the machine 24->82 84 Creates autostart registry keys with suspicious values (likely registry only malware) 27->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 29->86 62 3 other IPs or domains 31->62 54 ttzcloud.com 33->54 64 3 other IPs or domains 33->64 56 ttzcloud.com 35->56 58 bgfile.com 35->58 66 3 other IPs or domains 37->66 file9 signatures10 process11 signatures12 88 Windows Scripting host queries suspicious COM object (likely to drop second stage) 39->88 90 Creates processes via WMI 39->90
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c08b9178c05ab765a3d7754ac99f4ba1abddb226dbb6cc898bc692bba1898a1/
Threat name:
Shortcut.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-09-04 05:12:33 UTC
File Type:
Binary
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pqelsf4mawvxmwr5o5kkzgpuxinl3wzcnw5wzseyxrusxoqytcqq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/230905-fr1fpadc71/
Behaviour
Delays execution with timeout.exe
Enumerates processes with tasklist
Gathers system information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Deletes itself
Unexpected DNS network traffic destination
Blocklisted process makes network request
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://bgfile.com/v2/read/get.php?vw=ln3&nv=xu6502
http://ttzcloud.com/upload.php
http://ttzcloud.com/list.php?f=KGPMNUDG.txt
http://ttzcloud.com/list.php?f=VNIYNTNL.txt
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/7c08b9178c05ab765a3d7754ac99f4ba1abddb226dbb6cc898bc692bba1898a1

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:Archive_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies archive (compressed) files in shortcut (LNK) files.
Rule name:Execution_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies execution artefacts in shortcut (LNK) files.
Rule name:EXE_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:High_Entropy_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies shortcut (LNK) file with equal or higher entropy than 6.5. Most goodware LNK files have a low entropy, lower than 6.
Rule name:Large_filesize_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies shortcut (LNK) file larger than 100KB. Most goodware LNK files are smaller than 100KB.
Rule name:PS_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:SUSP_PowerShell_Caret_Obfuscation_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects powershell keyword obfuscated with carets
Reference:Internal Research
Rule name:SUSP_PowerShell_Caret_Obfuscation_2_RID347B
Create hunting rule
Author:Florian Roth
Description:Detects powershell keyword obfuscated with carets
Reference:Internal Research

File information

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

Comments