MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a3f1d14b9cc4890db64fbc41818d7039f25b0120574dcdec4e20d13e6b2740c. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a3f1d14b9cc4890db64fbc41818d7039f25b0120574dcdec4e20d13e6b2740c
SHA3-384 hash: bf3be4b1ea216f63f20520731c29878119cc402d83c220d0b244c40da83ec3a437c2e3cbe0d9cd474a045cc7f01b947d
SHA1 hash: e72c90aedd2ef27226d891f464caec19635a6fd3
MD5 hash: 7336068f2c5ed3ed154b6c8b1d72726a
humanhash: september-glucose-johnny-berlin
File name:7336068f2c5ed3ed154b6c8b1d72726a.lnk
Download: download sample
Signature Konni
Create hunting rule
File size:4'664'004 bytes
First seen:2023-09-26 09:46:32 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 98304:tgHgGZPRjDjDN/v1gFXzz3WC9rW4IowsS7gpfCRhPhajd7H/:tkPRj/DBNgF+CPIow57gIPIjdH/
TLSH T1912633B29F08587BF90AD8B1246F2E92644B445702F59D51F90F226F27F2EC04E1AF1E
Reporter smica83
Tags:apt KONNI lnk

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
HU HU
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilLNK.PKInsideHethens.20230420.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.DoomAngels.20220426.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.BackToYou.20230602.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.TheGhostAndTheHighway.20230714.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/5a3f1d14b9cc4890db64fbc41818d7039f25b0120574dcdec4e20d13e6b2740c/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed themidawinlicense
Link:
https://www.filescan.io/uploads/6512a8978a37001eb1d7ba60/reports/d92f7cac-10c6-4091-a08a-01e6245bd7ea/overview
Verdict:
Malicious
Labled as:
TrojanDropper/LNK.Agent
Link:
https://www.hybrid-analysis.com/sample/5a3f1d14b9cc4890db64fbc41818d7039f25b0120574dcdec4e20d13e6b2740c
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1314402
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
Encrypted powershell cmdline option found
Found URL in windows shortcut file (LNK)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
PE file contains section with special chars
Powershell creates an autostart link
Powershell drops PE file
Rundll32 performs DNS lookup (likely malicious behavior)
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Windows shortcut file (LNK) starts blacklisted processes
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1314402 Sample: eXj2ksAED6.lnk Startdate: 26/09/2023 Architecture: WINDOWS Score: 100 66 Multi AV Scanner detection for domain / URL 2->66 68 Antivirus detection for URL or domain 2->68 70 Antivirus detection for dropped file 2->70 72 8 other signatures 2->72 11 cmd.exe 1 2->11         started        process3 signatures4 74 Windows shortcut file (LNK) starts blacklisted processes 11->74 76 Suspicious powershell command line found 11->76 78 Encrypted powershell cmdline option found 11->78 14 powershell.exe 1 21 11->14         started        18 conhost.exe 1 11->18         started        process5 file6 42 C:\Users\Public\mfc100.dll, PE32 14->42 dropped 80 Windows shortcut file (LNK) starts blacklisted processes 14->80 82 Drops PE files to the user root directory 14->82 84 Powershell creates an autostart link 14->84 86 Powershell drops PE file 14->86 20 cmd.exe 1 14->20         started        22 chrome.exe 1 14->22         started        signatures7 process8 dnsIp9 25 rundll32.exe 20->25         started        27 conhost.exe 20->27         started        46 192.168.2.1 unknown unknown 22->46 48 192.168.2.7 unknown unknown 22->48 50 2 other IPs or domains 22->50 29 chrome.exe 22->29         started        process10 dnsIp11 32 rundll32.exe 12 25->32         started        52 www.google.com 142.250.217.228, 443, 49774, 49793 GOOGLEUS United States 29->52 54 accounts.google.com 172.217.2.205, 443, 49772 GOOGLEUS United States 29->54 56 2 other IPs or domains 29->56 process12 dnsIp13 44 naver-file.com 32->44 58 Windows shortcut file (LNK) starts blacklisted processes 32->58 60 System process connects to network (likely due to code injection or exploit) 32->60 62 Tries to detect sandboxes and other dynamic analysis tools (window names) 32->62 64 3 other signatures 32->64 36 cmd.exe 1 32->36         started        signatures14 process15 process16 38 conhost.exe 36->38         started        40 timeout.exe 1 36->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a3f1d14b9cc4890db64fbc41818d7039f25b0120574dcdec4e20d13e6b2740c/
Threat name:
Shortcut.Trojan.WinLnk
Create hunting rule
Status:
Malicious
First seen:
2022-11-01 14:19:50 UTC
File Type:
Binary
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=li7r2ffzzrejbw3e7pcbqggxaopslmasav2nzxwe4igrhzvsoqga._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion themida trojan
Link:
https://tria.ge/reports/230926-lr7snagb8t/
Behaviour
Delays execution with timeout.exe
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
RokRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5a3f1d14b9cc4890db64fbc41818d7039f25b0120574dcdec4e20d13e6b2740c

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Download_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies download artefacts 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:html_auto_download_b64
Create hunting rule
Author:Tdawg
Description:html auto download
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:MSOffice_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies Microsoft Office artefacts in shortcut (LNK) files.
Rule name:PDF_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies Adobe Acrobat artefacts in shortcut (LNK) files.
Rule name:PS_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Script_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies scripting artefacts in shortcut (LNK) files.
Rule name:SUSP_LNK_Big_Link_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspiciously big LNK file - maybe with embedded content
Reference:Internal Research
Rule name:SUSP_LNK_Big_Link_File_RID2EDD
Create hunting rule
Author:Florian Roth
Description:Detects a suspiciously big LNK file - maybe with embedded content
Reference:Internal Research

File information

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

Comments