MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f48479b95fb9963a347a81d37a5f82ec49411e832ef7833487276eec8e325391. 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: 8


Intelligence 8 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f48479b95fb9963a347a81d37a5f82ec49411e832ef7833487276eec8e325391
SHA3-384 hash: a5b1300cc6b0c451de5ab8c992516189f36103c716638d71b3cd40248d09b0a56251ad6a848edfddd0abf7eb8224e809
SHA1 hash: 11b5563a1116321218abf64801109b59303e961b
MD5 hash: 0b25dc21591c5240c7e20633b1999ac5
humanhash: wyoming-grey-xray-helium
File name:KNP10WS150RJB 5K.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:744'337 bytes
First seen:2023-12-05 07:57:21 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:85j0QJsAWbX3tDjILz1uC2ZdndiDKChqzgbxOEhD3NJUP8/SrErZ:8jWZALzAvDHChqzUxtDfOWSraZ
TLSH T101F4239DB8199FCAB6C552FD24DCA1E250F70260FC2B92B1A04774701EB935CC6F1A6E
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: "renata-lotron <renata@lotron.com.tw>" (likely spoofed)
Received: "from lotron.com.tw (unknown [141.98.10.93]) "
Date: "4 Dec 2023 09:13:56 +0100"
Subject: "KNP-8W 5% (10WS) RE: WIREWOUND RES. INQUIRY 2/16-1"
Attachment: "KNP10WS150RJB 5K.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
CH CH
File Archive Information

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

File name:KNP10WS150RJB 5K.exe
File size:832'000 bytes
SHA256 hash: e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74
MD5 hash: 73c4d511b769f0869c87b5d4621f2a81
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/f48479b95fb9963a347a81d37a5f82ec49411e832ef7833487276eec8e325391/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656ed80b18cffa73b1da577c/reports/102b2fad-5fba-4f2f-b18b-492dd54883f4/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/f48479b95fb9963a347a81d37a5f82ec49411e832ef7833487276eec8e325391
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f48479b95fb9963a347a81d37a5f82ec49411e832ef7833487276eec8e325391/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 12:24:46 UTC
File Type:
Binary (Archive)
Extracted files:
16
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6schtok7xgldund2qhjxux4c5reuchudf33ygnehe5xozdrskoiq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231205-jxpg6aac66/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/f48479b95fb9963a347a81d37a5f82ec49411e832ef7833487276eec8e325391

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:NETexecutableMicrosoft
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: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 f48479b95fb9963a347a81d37a5f82ec49411e832ef7833487276eec8e325391

(this sample)

AgentTesla

Executable exe e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74
  
Dropping
AgentTesla

Comments