MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52. 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: 5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52
SHA3-384 hash: 1a9b963440de0aa88cb0d0ffc5ae04d5d04b36d12ef431fef9c4cd205121f3a1dfdd1b6cb436c8d6db30b30133acf4cb
SHA1 hash: 21893bb39ca4f0c30d57d63d0031b4b465442c79
MD5 hash: 630264c16763fe121dac93ac558ab3be
humanhash: ack-fish-aspen-summer
File name:PAYMENT SLIP.pdf.z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:710'832 bytes
First seen:2023-11-06 18:44:49 UTC
Last seen:2023-11-07 06:15:34 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:DlZp+BtTg/jqL2ZmnNHMxVx7j5Y9wDqq4Y4vUxE6ubv2b/dWEHixwz8q/Ly01iGf:DcRiqsxxHS6F4Y4v6uj2bJp3V1pkO
TLSH T1A3E423EC69C409F262A5ACB9400FC731123CD4AE469AB5D56A3B11746283FEDC6F391F
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla INVOICE payment z zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Purchase Manager <sales@e-nbu.top>" (likely spoofed)
Received: "from mail.e-nbu.top (unknown [194.4.56.132]) "
Date: "Mon, 6 Nov 2023 05:19:15 -0500 (EST)"
Subject: "BANK PAYMENT SLIP- VIETNAM DUE INVOICE PAYMENT REF :HUGC23ED"
Attachment: "PAYMENT SLIP.pdf.z"

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
CH CH
File Archive Information

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

File name:PAYMENT SLIP.exe
File size:779'264 bytes
SHA256 hash: dddd04107a979e9ae28128d6da0362e79a9d64e578bd89fc2efb93a8caa400e6
MD5 hash: 3e77aed38a4b7b58fd99421792363d91
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3369.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.22148.ZipHeur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65493431946b6ab22459674a/reports/b1407880-ca05-4d66-ab35-d44509ff867f/overview
Verdict:
Malicious
Labled as:
Troj/Krypt
Link:
https://www.hybrid-analysis.com/sample/5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52
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/5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2023-11-06 15:47:28 UTC
File Type:
Binary (Archive)
Extracted files:
17
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l3ynjkrha5wjzcg65lsiss3fxfkyc325bkcb26mgjqctybnn35ja._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/5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52

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: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 5ef0d4aa27076c9c88deeae4894b65b955816f5d0a841d79864c053c05addf52

(this sample)

AgentTesla

Executable exe dddd04107a979e9ae28128d6da0362e79a9d64e578bd89fc2efb93a8caa400e6

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 dddd04107a979e9ae28128d6da0362e79a9d64e578bd89fc2efb93a8caa400e6
  
Dropping
AgentTesla
  
Dropping
MD5 3e77aed38a4b7b58fd99421792363d91

Comments