MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8923fb83d1d0e6ca798d80ecf80e9b300538430388b767dfdc597c47a53e70e4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8923fb83d1d0e6ca798d80ecf80e9b300538430388b767dfdc597c47a53e70e4
SHA3-384 hash: 3644947a40033564eaef6b0d72b9e7305e26bd03fdcf40931841f96e91ba43a9b855e606939cff73b1f6c1b6cd36f16a
SHA1 hash: 32b7aa3ab4ba649bb7dd9da09a3a893582c68148
MD5 hash: 12e80400aeea7bc4ed69809a6e6fc110
humanhash: zulu-sierra-wyoming-pluto
File name:EURO INVOICE.pdf_________________________.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:568'355 bytes
First seen:2023-09-23 09:32:25 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:SBLJQ5ak3OJWSjQkrOy0MEwvR+mwLMfsL3W4WDwIZ:S8dOHQkrbZJ0UjZ
TLSH T157C42334E92ACCE29B9029AE4C5FBE4D7E05ED28D473AE7D7014928E1441F106BEDDE1
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 payment rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Wong William <william.wong@a-oneprecision.com>" (likely spoofed)
Received: "from a-oneprecision.com (unknown [194.180.48.78]) "
Date: "23 Sep 2023 11:15:05 +0200"
Subject: "Re: Euro payment advice"
Attachment: "EURO INVOICE.pdf_________________________.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
CH CH
File Archive Information

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

File name:EURO INVOICE.pdf_________________________.exe
File size:647'168 bytes
SHA256 hash: ac4ba0aff57a411df5eabcec6b1ab5cff2ff47dcf578fdce74be6cd3405b626c
MD5 hash: eabd63d8bdf21daa6242d8ad08cd0ee0
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/8923fb83d1d0e6ca798d80ecf80e9b300538430388b767dfdc597c47a53e70e4/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/650eb0ce1edabd99829efd1e/reports/7a36eaed-7caf-4b6c-aed6-dbbc31973d79/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8923fb83d1d0e6ca798d80ecf80e9b300538430388b767dfdc597c47a53e70e4
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/8923fb83d1d0e6ca798d80ecf80e9b300538430388b767dfdc597c47a53e70e4/
Threat name:
ByteCode-MSIL.Spyware.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-09-22 18:36:41 UTC
File Type:
Binary (Archive)
Extracted files:
17
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rer7xa6r2dtmu6mnqdwpqdu3gactqqydrc3wpx64lf6epjj6odsa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230923-rmtywsgb91/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
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/8923fb83d1d0e6ca798d80ecf80e9b300538430388b767dfdc597c47a53e70e4

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: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

File information

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

Malspam

AgentTesla

rar 8923fb83d1d0e6ca798d80ecf80e9b300538430388b767dfdc597c47a53e70e4

(this sample)

AgentTesla

Executable exe ac4ba0aff57a411df5eabcec6b1ab5cff2ff47dcf578fdce74be6cd3405b626c

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 ac4ba0aff57a411df5eabcec6b1ab5cff2ff47dcf578fdce74be6cd3405b626c
  
Dropping
MD5 eabd63d8bdf21daa6242d8ad08cd0ee0

Comments