MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94. 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: 14


Intelligence 14 IOCs YARA 26 File information Comments
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SHA256 hash: efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94
SHA3-384 hash: 870c85543a9bf17b32849472b70e814fd16b987d4f24172c082d38d0c58501c1556fa5b1df0b78b14f13c5cccd780f01
SHA1 hash: 7602bb9c3b909f22ebb60e06ef9f6bf862085ecd
MD5 hash: 102b41f0d4660c390fc3706b79f91de3
humanhash: seventeen-magnesium-earth-william
File name:STEINFTPP.ps1
Download: download sample
Signature AgentTesla
Create hunting rule
File size:967'597 bytes
First seen:2026-01-15 08:34:43 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:n4zGpYF2WSOQNQx5yJ/9WULSHhtxCkIn8:465DJ6cz8
Threatray 3'327 similar samples on MalwareBazaar
TLSH T1662523403E7B1DA689D8C72230EF4B8A1FE05E6C809658F7A3760CDF5D7695D818F06A
Magika powershell
Reporter abuse_ch
Tags:AgentTesla ps1


Avatar
abuse_ch
AgentTesla FTP exfil server:
ftp.tradease.com.au:21

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.PowerShell.Siggen.2230.2388.3274.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6968a6e857243ef151cd434d
Tags:
ransomware virus shell lien
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 evasive lolbin obfuscated obfuscated powershell reconnaissance
Link:
https://www.filescan.io/uploads/6968a6fe3827c9e1249f545b/reports/7457d453-6592-41f2-8c6e-bf246b56b32f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94
Verdict:
Malicious
File Type:
ps1
First seen:
2026-01-12T21:58:00Z UTC
Last seen:
2026-01-15T12:48:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.Agensla.TCP.C&C Trojan.Win32.InjectorNetT.s
Link:
https://opentip.kaspersky.com/efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94/results?tab=lookup
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1851177
Signature
AI detected malicious Powershell script
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1851177 Sample: STEINFTPP.ps1 Startdate: 15/01/2026 Architecture: WINDOWS Score: 100 21 ip-api.com 2->21 27 Suricata IDS alerts for network traffic 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 7 other signatures 2->33 7 powershell.exe 22 2->7         started        10 svchost.exe 1 1 2->10         started        signatures3 process4 dnsIp5 35 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->35 37 Writes to foreign memory regions 7->37 39 Injects a PE file into a foreign processes 7->39 13 aspnet_compiler.exe 15 2 7->13         started        17 aspnet_compiler.exe 7->17         started        19 conhost.exe 7->19         started        23 127.0.0.1 unknown unknown 10->23 signatures6 process7 dnsIp8 25 ip-api.com 208.95.112.1, 49681, 80 TUT-ASUS United States 13->25 41 Tries to steal Mail credentials (via file / registry access) 13->41 43 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->43 45 Tries to harvest and steal browser information (history, passwords, etc) 13->45 47 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->49 51 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 17->51 signatures9
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94
Gathering data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94
Threat name:
Script-PowerShell.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-01-13 06:40:17 UTC
AV detection:
8 of 38 (21.05%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=563gcu73qlqtaq47bvjffpfbjt5fnf7wynjd2vw7fjavldsvloka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
436c3122ade820817ca6b87ae7b69a45f68df50af5bb193acace508e78904283
AgentTesla
638a1726e770addef6a1c4fa36332fc1183d2e8434b5f47c91df5c14ef7ae68e
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7101b18d8de608de1c618f221e5bbab6c95973b0a1088c28f384ba3e9c008488
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82a1e34d81ce30e2c4441cf9e2085db5ddd4832f6f5b34bae65492b0ddfe7ecf
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86eee13b0f15128914c9ac0b54a99f4f22a5a755593ad7ee846fdc886e3d5683
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b6435d167628a91820c8440d2fbf10fe6f823e64c33a597eca56021322c47bb4
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ce8cdbdac7f2dc6b5b8068a910e3309c97bf897904753447ed842d4fef60cdb6
AgentTesla
+ 3'317 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/260115-khcqgshv4d/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Agenttesla family
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/efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94

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:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Generic_Threat_779cf969
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Web download

AgentTesla

PowerShell (PS) ps1 efb66153fb82e130439f0d5252bca14cfa5697f6c3523d56df2a41558e555b94

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3758267/
  
Delivery method
Distributed via web download

Comments