MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc
SHA3-384 hash: d56dfe9201a0a37d16574b1416503cc9e59e37859014023a715c4718984b13ceb0e48f0e5e10cf925a4fd0755b4ccb15
SHA1 hash: 83197e5906f67c3cdbc190c1799a2ba17fcc602c
MD5 hash: d84960dce3f08c0c0cecd9d35610e86a
humanhash: carbon-speaker-oven-december
File name:RankupServiceFreeTemp.lnk.bin
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'716 bytes
First seen:2026-01-19 21:04:54 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 24:8VOJI5UmtJ1TAY8PA+/2ryJi5VFfdKy4A+U/FIP4I0aA3yUUXQaR3+9h/LnU+Y+G:8R+1LJi51KyNxfIPzXv3WzU+Yk
TLSH T1D931AE652BDA0729D6B2CA3B44F5E3424B23B961E9739F5D4290929C2C65600E836F2B
Magika lnk
Reporter burger
Tags:lnk

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
LNK
Details
LNK
a command line and any observed urls
Link:
https://research.acce.ciphertechsolutions.com/results/639800e5-5206-4257-8fe9-941889672df5/
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:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=696e9acdf3cf908ba5067c72
Tags:
dropper virus sage
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc/results/dashboard
Payload URLs
URL
File name
https://gl1g7tts-5500.euw.devtunnels.ms/rankup/freetemp/RankupServiceFreeTemp.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 lolbin masquerade packed regsvr32 replace
Link:
https://www.filescan.io/uploads/696e9c9fddd99d620f25c0af/reports/a0d0593f-f1c4-4699-b947-4211cdd1a6b8/overview
Verdict:
Malicious
Labled as:
Trojan[Downloader]/LNK.Agent
Link:
https://www.hybrid-analysis.com/sample/83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc
Verdict:
Malicious
File Type:
lnk
First seen:
2026-01-19T17:59:00Z UTC
Last seen:
2026-01-20T12:53:00Z UTC
Hits:
~10
Detections:
Trojan.WinLNK.Agent.sb HEUR:Trojan.WinLNK.Agent.gen NetTool.TunnelVisualStudio.UDP.C&C
Link:
https://opentip.kaspersky.com/83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1853663
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853663 Sample: RankupServiceFreeTemp.lnk.bin.lnk 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 3 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, 49693 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, 49694, 49695 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
Link:
https://app.malva.re/file/d84960dce3f08c0c0cecd9d35610e86a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc/
Verdict:
Malicious
Threat:
Trojan.WinLNK.Agent
Link:
https://tip.neiki.dev/file/83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qp423ievk3cg6wc2kcslikmlggxi7hsw7cyitalzi5y2fdhdp3ga._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion
Link:
https://tria.ge/reports/260119-zxfs1sev4d/
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/83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc

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.

AgentTesla

Shortcut (lnk) lnk 83f9ada09556c46f585a50a4b4298b31ae8f9e56f8b08981794771a28ce37ecc

(this sample)

AgentTesla

Executable exe 06c839a4d80d569ec1cd871686f3a72e38b633ee682bd2c192c221dcb2037e89

  
Dropping
SHA256 06c839a4d80d569ec1cd871686f3a72e38b633ee682bd2c192c221dcb2037e89
  
Dropping
MD5 335a14e791a11716387d15d0bc26934d

Comments