MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 998a4a4bad4c7eaa65953f3a35589cfbe594765efc51e40ee29f20c65f0cdbc6. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 998a4a4bad4c7eaa65953f3a35589cfbe594765efc51e40ee29f20c65f0cdbc6
SHA3-384 hash: 39e0616f15c7349912561566c5d76bfaec6cb0dcae27a1e8a2a62f8afe2841d80434df3fd02eb739b60f3c3b13207883
SHA1 hash: 8606b0ec551b6c131dc6ec0a524aa0ce9441ddfa
MD5 hash: da1b2865864581d7c9cac5460cc23691
humanhash: coffee-zulu-california-stream
File name:PDA invoice 13 DEC 2023.r00
Download: download sample
Signature AgentTesla
Create hunting rule
File size:620'097 bytes
First seen:2023-12-14 07:24:57 UTC
Last seen:Never
File type: r00
MIME type:application/x-rar
ssdeep 12288:JqeqKPAr86ofWlHoN0S7yet1qZ3r6xYWYvgSqeKtnGLXxWnDecWS5:J7qKPAr5hHg0kP1s38jsFqtGLkecT5
TLSH T199D4232F5AF8B4B8F72B4406C02D65AD09EF1DFEF10C4B8A1B52C420E75B163B7568A1
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla INVOICE r00 Shipping


Avatar
cocaman
Malicious email (T1566.001)
From: "office@vestal-2002.com" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.58.227]) "
Date: "13 Dec 2023 07:44:34 +0100"
Subject: "PDA INVOICE awb information // RE: Shipping items // RE: Inquiry // Air cargo clearance & delivery 13 DEC.2023."
Attachment: "PDA invoice 13 DEC 2023.r00"

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
CH CH
File Archive Information

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

File name:JQL6kZuWTNlfWaU.exe
File size:904'192 bytes
SHA256 hash: 392fd8412e2fb96a3a9c54cd0aa32cf6c3bea21432e1ee46690412580055c214
MD5 hash: a04865955d96e4b5b7d0d4105fc7424f
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/657aadd98b5ba47db2e205fe/reports/b3269420-c429-44c9-9319-689e11655baf/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/998a4a4bad4c7eaa65953f3a35589cfbe594765efc51e40ee29f20c65f0cdbc6
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/998a4a4bad4c7eaa65953f3a35589cfbe594765efc51e40ee29f20c65f0cdbc6/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Suspicious
First seen:
2023-12-13 00:25:01 UTC
File Type:
Binary (Archive)
Extracted files:
17
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgfeus5njr7kuzmvh45dkwe47pszi5s67ri6idxct4qmmxym3pda._file
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/998a4a4bad4c7eaa65953f3a35589cfbe594765efc51e40ee29f20c65f0cdbc6

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: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

r00 998a4a4bad4c7eaa65953f3a35589cfbe594765efc51e40ee29f20c65f0cdbc6

(this sample)

AgentTesla

Executable exe 392fd8412e2fb96a3a9c54cd0aa32cf6c3bea21432e1ee46690412580055c214

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 392fd8412e2fb96a3a9c54cd0aa32cf6c3bea21432e1ee46690412580055c214
  
Dropping
AgentTesla

Comments