MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc8fb465d9b20ffd3e35e6b505ccd3ba82eb752f7ee2840a13ff4975dfaacaca. 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 3 File information Comments

SHA256 hash: dc8fb465d9b20ffd3e35e6b505ccd3ba82eb752f7ee2840a13ff4975dfaacaca
SHA3-384 hash: e124f6fa0b23911d06ab5f3628c60e819ddfcd4fa95bf18583ee53ec0572af85bff399095718a23f2ae840c4fc2a9512
SHA1 hash: d941d059e1cae3410363d4432742b433883d0fe4
MD5 hash: f2f3f314bb1065195e7edc10429526ac
humanhash: bulldog-wisconsin-carolina-orange
File name:RankupServiceFreeTempV6.lnk.bin
Download: download sample
Signature AgentTesla
File size:1'941 bytes
First seen:2025-12-03 12:49:38 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 24:8tJ/ByUl1+f2EMleYTxDAiH2JCFfhib4AlJFL4I0apgAlVu1ddzS/UtLFhwiXQ6G:8zeMgmUiWJbbNruIA31V1XCi3WzFY
TLSH T13341A8187ADE5731D3768A3758B6E3118A36BC51ECB38B5D11848BCC3867610EC65F2A
Magika lnk
Reporter burger
Tags:AgentTesla lnk

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
LNK
Details
LNK
a command line and any observed urls
Verdict:
Malicious
Score:
81.4%
Tags:
dropper sage blic
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Payload URLs
URL
File name
https://vqjhg08j-5500.euw.devtunnels.ms/temp.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
Result
Gathering data
Verdict:
Malicious
File Type:
lnk
Detections:
Trojan-Downloader.Win32.Agent.sba Trojan.WinLNK.Agent.sb HEUR:Trojan.WinLNK.Agent.gen
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
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: 1825347 Sample: RankupServiceFreeTempV6.lnk... Startdate: 03/12/2025 Architecture: WINDOWS Score: 100 31 vqjhg08j-5500.euw.devtunnels.ms 2->31 33 v3-euw.cluster.rel.tunnels.api.visualstudio.com 2->33 35 3 other IPs or domains 2->35 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Windows shortcut file (LNK) starts blacklisted processes 2->47 49 5 other signatures 2->49 8 cmd.exe 1 2->8         started        signatures3 process4 signatures5 59 Windows shortcut file (LNK) starts blacklisted processes 8->59 11 cmd.exe 1 8->11         started        13 curl.exe 2 8->13         started        17 cmd.exe 1 8->17         started        19 conhost.exe 1 8->19         started        process6 dnsIp7 21 t.exe 14 6 11->21         started        25 conhost.exe 11->25         started        39 tunnels-prod-rel-euw-v3-cluster.westeurope.cloudapp.azure.com 20.103.221.187, 443, 49718 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 13->39 41 127.0.0.1 unknown unknown 13->41 29 C:\Users\user\AppData\Local\Temp\t.exe, PE32+ 13->29 dropped 27 WMIC.exe 1 17->27         started        file8 process9 dnsIp10 37 keyauth.win 104.26.0.5, 443, 49719, 49720 CLOUDFLARENETUS United States 21->37 51 Multi AV Scanner detection for dropped file 21->51 53 Detected unpacking (changes PE section rights) 21->53 55 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 21->55 57 3 other signatures 21->57 signatures11
Gathering data
Gathering data
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: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.

Comments