MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75aa04510c1947545f192b7838d1ffa868592dbc8ec2739283853a356f6b962b. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 75aa04510c1947545f192b7838d1ffa868592dbc8ec2739283853a356f6b962b
SHA3-384 hash: 70b64a17484bae0860913c9fdef358785640a95324834b675e8d34148cfd2b8f044a4c9094ea64d254be704dacb38482
SHA1 hash: ff6896d942dea918485558f77189d840f75f0beb
MD5 hash: fc4bdf16d737dfa6951485346c0d3fdc
humanhash: mirror-papa-august-pizza
File name:RankupServiceFreeCleaner.lnk.bin
Download: download sample
Signature AgentTesla
File size:1'716 bytes
First seen:2026-01-19 21:03:09 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 24:8VOJI5UmtJ1TAY8PA+/2ryJi5VFfM0q4A+U/FIP4I0aA3yUUXQaR3+9h/LnU+Y+G:8R+1LJi5UdNxfIPzXv3WzU+Yk
TLSH T10531CE552BDA0729D6B2CA3B44F5E3424A23BD60E973CF8C0280928C2C64600EC36F2B
Magika lnk
Reporter burger
Tags:lnk

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
LNK
Details
LNK
a command line and any observed urls
Verdict:
Malicious
Score:
94.1%
Tags:
dropper virus sage
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Payload URLs
URL
File name
https://gl1g7tts-5500.euw.devtunnels.ms/rankup/freeclean/RankupServicecleaner.exe
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm bitsadmin cmd dllhost evasive fingerprint lolbin masquerade packed regsvr32 replace
Verdict:
Malicious
File Type:
lnk
First seen:
2026-01-18T08:20:00Z UTC
Last seen:
2026-01-20T12:53:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.WinLNK.Agent.gen Trojan.WinLNK.Agent.sb NetTool.TunnelVisualStudio.UDP.C&C
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853657 Sample: RankupServiceFreeCleaner.ln... Startdate: 19/01/2026 Architecture: WINDOWS Score: 100 27 gl1g7tts-5500.euw.devtunnels.ms 2->27 29 v3-euw.cluster.rel.tunnels.api.visualstudio.com 2->29 31 7 other IPs or domains 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Windows shortcut file (LNK) starts blacklisted processes 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, 49716 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 104.26.0.5, 443, 49718, 49719 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
Verdict:
Malware
YARA:
2 match(es)
Tags:
Execution: CMD in LNK LNK LOLBin LOLBin:cmd.exe Malicious T1059.003 T1202: Indirect Command Execution T1204.002
Threat name:
Win32.Trojan.WinLnk
Status:
Malicious
First seen:
2026-01-18 11:09:59 UTC
File Type:
Binary
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion
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.

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
Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:Execution_in_LNK
Author:@bartblaze
Description:Identifies execution artefacts in shortcut (LNK) files.
Rule name:LNK_sospechosos
Author:Germán Fernández
Description:Detecta archivos .lnk sospechosos
Rule name:SUSP_LNK_CMD
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.

AgentTesla

Shortcut (lnk) lnk 75aa04510c1947545f192b7838d1ffa868592dbc8ec2739283853a356f6b962b

(this sample)

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