MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94. 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: 285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94
SHA3-384 hash: b3f5db4742442d31f7d836990baaba854b80797abd6e039d0fda5c165d011449c5a86361148def51a3bd0428d11840be
SHA1 hash: ce4d56012a0f1db562259c36c1bc804359ee614c
MD5 hash: c8be66a6918ce1066688aa36fab82aa0
humanhash: november-washington-thirteen-angel
File name:RFQ MT-764439977.pdf.z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:647'498 bytes
First seen:2023-10-30 06:37:45 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:KCxdBz59WIWDlhMThMgOZlPoWJlXEyJMnCkbJwVpLadT89IoUwV:fxjzqIW7MThXoeWL9wCu2OgDUe
TLSH T1F6D423D67C3BAB57EDD0C318F4934E6869927E10C2AF28025A6D1B6110DE797B873D0B
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla RFQ z zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Regional Purchase Manager <sales@e-nbu.top>" (likely spoofed)
Received: "from mail.e-nbu.top (unknown [194.4.56.132]) "
Date: "Fri, 27 Oct 2023 23:00:05 -0400 (EDT)"
Subject: "RFQ MT-764439977"
Attachment: "RFQ MT-764439977.pdf.z"

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:RFQ MT-764439977.exe
File size:836'096 bytes
SHA256 hash: 6f5701ea91b5d10465ef8e3d936239e78c332d01a411bb80b6f227d36c36679c
MD5 hash: 029b0c635d8534567818998c7fd5bd52
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs2098.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/653f4f4b34de31f579cdbfea/reports/db3d7c43-77fe-44a1-a9a2-1f6ca3d3a91c/overview
Verdict:
Malicious
Labled as:
Troj/Krypt
Link:
https://www.hybrid-analysis.com/sample/285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
0%
Verdict:
Benign
File Type:
Archive
Link:
https://malprob.io/report/285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-28 08:03:33 UTC
File Type:
Binary (Archive)
Extracted files:
21
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbmxlziokrzvp5oytkmul4y7o24srac7jlkemsclcwc6h73lhwka._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231030-hzx2msdd44/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
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:
1.00
Link:
https://yomi.yoroi.company/submissions/285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94

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

zip 285975e50e547357f5d89a9945f31f76b928805f4ad446484b1585e3ff6b3d94

(this sample)

AgentTesla

Executable exe 6f5701ea91b5d10465ef8e3d936239e78c332d01a411bb80b6f227d36c36679c

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 6f5701ea91b5d10465ef8e3d936239e78c332d01a411bb80b6f227d36c36679c
  
Dropping
AgentTesla
  
Dropping
MD5 029b0c635d8534567818998c7fd5bd52

Comments