MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 017b31aedf365704c298341c0fdf7ada3e5e12ee4c716843ab9628797657a81f. 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: 7


Intelligence 7 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 017b31aedf365704c298341c0fdf7ada3e5e12ee4c716843ab9628797657a81f
SHA3-384 hash: 12c95a1412f4d8492b9aec2f09a8b96d4c7ed4b7015e58ec4dd67cb1335699db8d6992a5d55f2e37d0b12de1479147cc
SHA1 hash: a7acf1f8b734c7be0042eda9f02d12af1c4ff063
MD5 hash: 2a3a898a70bbf67c3b45989b57261655
humanhash: hotel-alanine-mike-wyoming
File name:KD202508040246-1 .rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:629'327 bytes
First seen:2025-11-10 10:50:14 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:kfqw7cUta6Yd5tO2QfpO+HO7i5NKZYc/by/9/WB7urfdbCh6W7ema:6qwpY70pvHOh1eB47UfUYrma
TLSH T142D43317AED9914CE89EE7D908A1C32E9A8DC10DF117E9AD3BC024D05F9858FF679131
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:AgentTesla payment rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Krystal <impvinh2@kido.co.kr>" (likely spoofed)
Received: "from [5.252.153.67] (unknown [5.252.153.67]) "
Date: "10 Nov 2025 02:04:18 -0800"
Subject: "Payment Reminder KD202508040246-1 "
Attachment: "KD202508040246-1 .rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:KD202508040246-1 .exe
File size:672'768 bytes
SHA256 hash: ca19a908064885c92f2ac7e4d12e95d359f35ba13cea4352906fc993b3ff24dd
MD5 hash: 073a0f541decb775dc2a2388ca2b78e4
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6911c36eac1ae236e17908e8
Tags:
infosteal shell spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6911c36cd63f755c32c4128d/reports/ceec46bf-ed31-4537-b7af-d4eb8528660b/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/017b31aedf365704c298341c0fdf7ada3e5e12ee4c716843ab9628797657a81f
Verdict:
Malicious
File Type:
rar
First seen:
2025-11-10T05:01:00Z UTC
Last seen:
2025-11-12T08:06:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/017b31aedf365704c298341c0fdf7ada3e5e12ee4c716843ab9628797657a81f/results?tab=lookup
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout Rar Archive SOS: 0.19
Link:
https://app.malva.re/file/2a3a898a70bbf67c3b45989b57261655
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/017b31aedf365704c298341c0fdf7ada3e5e12ee4c716843ab9628797657a81f/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-11-10 10:50:22 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=af5tdlw7gzlqjquygqoa7x323i7f4exojrywqq5lsyuhs5sxvapq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/251110-s93d8acy5b/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/017b31aedf365704c298341c0fdf7ada3e5e12ee4c716843ab9628797657a81f

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: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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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_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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware
Rule name:Windows_Generic_Threat_9f4a80b2
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
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

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

Malspam

AgentTesla

rar 017b31aedf365704c298341c0fdf7ada3e5e12ee4c716843ab9628797657a81f

(this sample)

AgentTesla

Executable exe ca19a908064885c92f2ac7e4d12e95d359f35ba13cea4352906fc993b3ff24dd

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 ca19a908064885c92f2ac7e4d12e95d359f35ba13cea4352906fc993b3ff24dd
  
Dropping
AgentTesla
  
Dropping
MD5 073a0f541decb775dc2a2388ca2b78e4

Comments