MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e. 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


AgentTesla


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e
SHA3-384 hash: d4847dc8e68ed8a536ff7563a7dc462784c91feb9d1e24a92fb81fc3c099f68568da11e7ae0cb664b8cfd56b42b54b45
SHA1 hash: 3e90e78f8df06cdfb274e96e2f27e7b92b45b372
MD5 hash: 0a2f8bb7f15c88777dbec6891e01e098
humanhash: nebraska-spaghetti-washington-failed
File name:RankupServiceFreeCleaner V11.lnk.bin
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'722 bytes
First seen:2026-02-27 07:49:32 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 24:8VuJI5UmtJ1TAY8P5J+/2ryJi5iFfM0q4A+U/FIP4I0aA3yUUXQaR3+9h/LnU+YH:8x+1F8Ji5FdNxfIPzXv3WzU+Yk
TLSH T1E231A0552BDA0729D7B2CA3B54F5E3524A23BD50E9739F8D0290929C2C65600E836F2B
Magika lnk
Reporter burger
Tags:AsyncRAT lnk RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
LNK
Details
LNK
a command line and any observed urls
Link:
https://research.acce.ciphertechsolutions.com/results/1aaf38bf-8e38-41c6-bc9d-2b9e217332d5/
Detection(s):
Sanesecurity.Malware.27118.LnkHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26477.PshHeur.UNOFFICIAL
Create hunting rule

Lnk.Downloader.HTAAgent-9989400-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a14b24c950ab5d9ab20724
Tags:
dropper virus sage
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e/results/dashboard
Payload URLs
URL
File name
https://wpgbf1zg-5500.euw.devtunnels.ms/rankup/freeclean/RankupServicecleaner.exe
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
Trojan[Downloader]/LNK.Agent
Link:
https://www.hybrid-analysis.com/sample/b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e
Result
Gathering data
Verdict:
Malicious
File Type:
lnk
Detections:
Trojan.WinLNK.Agent.sb HEUR:Trojan.WinLNK.Agent.gen
Link:
https://opentip.kaspersky.com/b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e/results?tab=lookup
Result
Threat name:
MalLnk
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1875799
Signature
Detected unpacking (changes PE section rights)
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Sigma detected: Curl Download And Execute Combination
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Yara detected Costura Assembly Loader
Yara detected malicious lnk
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1875799 Sample: RankupServiceFreeCleaner V1... Startdate: 27/02/2026 Architecture: WINDOWS Score: 100 27 wpgbf1zg-5500.euw.devtunnels.ms 2->27 29 v3-euw.cluster.rel.tunnels.api.visualstudio.com 2->29 31 3 other IPs or domains 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Windows shortcut file (LNK) starts blacklisted processes 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 8 cmd.exe 1 2->8         started        signatures3 process4 signatures5 55 Windows shortcut file (LNK) starts blacklisted processes 8->55 11 cmd.exe 1 8->11         started        13 curl.exe 2 8->13         started        17 conhost.exe 1 8->17         started        process6 dnsIp7 19 loader.exe 14 6 11->19         started        23 conhost.exe 11->23         started        35 tunnels-prod-rel-euw-v3-cluster.westeurope.cloudapp.azure.com 20.103.221.187, 443, 49685 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 13->35 37 127.0.0.1 unknown unknown 13->37 25 C:\Users\user\AppData\Local\Temp\loader.exe, PE32+ 13->25 dropped file8 process9 dnsIp10 33 keyauth.win 172.67.72.57, 443, 49688, 49690 CLOUDFLARENETUS United States 19->33 47 Multi AV Scanner detection for dropped file 19->47 49 Detected unpacking (changes PE section rights) 19->49 51 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 19->51 53 3 other signatures 19->53 signatures11
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e/
Verdict:
Malicious
Threat:
Trojan.WinLNK.Agent
Link:
https://tip.neiki.dev/file/b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w2wc2c7x7lohuyowml3v35fd7cb22rm6noimio6tboariixaqbha._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion
Link:
https://tria.ge/reports/260227-jpe9hsgy9g/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Downloads MZ/PE file
Looks for VMWare Tools registry key
Looks for VMWare services registry key.
Enumerates VirtualBox registry keys
Looks for VirtualBox Guest Additions in registry
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/b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e

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: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:LNK_sospechosos
Create hunting rule
Author:Germán Fernández
Description:Detecta archivos .lnk sospechosos
Rule name:SUSP_LNK_CMD
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference to cmd.exe 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.

Web download

AgentTesla

zip 5de1eb4c8c7edfef435d721a4173597b928c4cb9725a6ac20c5da7d086a333ce

AgentTesla

Shortcut (lnk) lnk b6ac2d0bf7fadc7a61d662f75df4a3f883ad459e6b90c43bd30b811422e0804e

(this sample)

AgentTesla

Executable exe 0c5b9b1d9a569a97cf1eee2268d2085076d4ffbdc6ba7f80216354b18a3975d4

  
Dropped by
SHA256 5de1eb4c8c7edfef435d721a4173597b928c4cb9725a6ac20c5da7d086a333ce
  
Dropping
SHA256 0c5b9b1d9a569a97cf1eee2268d2085076d4ffbdc6ba7f80216354b18a3975d4
  
Dropped by
MD5 d6452b72a4eb73ac55fab6e42f3a33df
  
URLhaus
https://urlhaus.abuse.ch/url/3786666/
  
Delivery method
Distributed via web download
  
Dropping
MD5 18c02b45aac69d88b3e17f119cecfa84

Comments