MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8. 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: b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8
SHA3-384 hash: 2b9e7f907fde2f4b28f7be0efcc83df4229466c84f9da37da4252b989b190ab3379b6c180eaf8c894b3f8445fc2c9b6a
SHA1 hash: 4a6d5708d14042b199ba10ad1e3dd6c470fafb8b
MD5 hash: 26e97d99a1331bd76b45555c79cbb9f2
humanhash: don-arkansas-winter-yellow
File name:Outstanding Invoices.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:840'267 bytes
First seen:2023-09-19 06:12:28 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:uiVawin9Ai43Ug6DRDnEWCL9auuegBUptBh5dn4RvD8p+x5PnsU6JB7cjjmM:1gAnUg8hnkL9apeBTnqIp+x5PzeQWM
TLSH T14B05333CDC32925F6A0D48C8A3B52665820F7B5437484A9FA61F693CE4F31736EA35B4
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla INVOICE zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""account" <account@vrlogistic.com>" (likely spoofed)
Received: "from vrlogistic.com (unknown [185.225.75.87]) "
Date: "19 Sep 2023 05:56:23 +0200"
Subject: "RE Outstanding (SOA) Dated 15/9/23"
Attachment: "Outstanding Invoices.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
CH CH
File Archive Information

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

File name:Outstanding Invoices.exe
File size:909'312 bytes
SHA256 hash: 657c920b2a5333f8dfadd7fa40d1fa0e741526e4d539530961562f9db55ac27b
MD5 hash: 07e1174aa10da669f830b7b855767b13
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.710.22699.15073.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65093beeac6222a2be151a60/reports/7c8a9ac8-5906-4018-89d0-808c370f9af1/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8
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/b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2023-09-18 14:31:58 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
19 of 34 (55.88%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdysisvkxijrahi4deubxhc34xg4c65p2zvigehsmv6nxdwme6ua._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230919-g267nafc4y/
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
Adds Run key to start application
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/b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8

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: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

File information

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

Malspam

AgentTesla

zip b8f1244aaaba13101d1c19281b9c5be5cdc17bafd66a8310f2657cdb8ecc27a8

(this sample)

AgentTesla

Executable exe 657c920b2a5333f8dfadd7fa40d1fa0e741526e4d539530961562f9db55ac27b

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 657c920b2a5333f8dfadd7fa40d1fa0e741526e4d539530961562f9db55ac27b
  
Dropping
MD5 07e1174aa10da669f830b7b855767b13

Comments