MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e
SHA3-384 hash: 03488c4ca822d700fb1e428597a0481d0efc02e96bfd8dc9fe83986ffbd96d6fe868f73d2a07c5a5b7a714c270af6e86
SHA1 hash: fe037d0f9af4b591a83e8f7c108ddf9c24b40ded
MD5 hash: d240eb0937fa00eef6977bac32111831
humanhash: fish-stream-papa-colorado
File name:debit note pdf.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:616'551 bytes
First seen:2023-09-11 12:20:19 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:9D30dShoCkn8HPfX0i5CTJgzdVwzktwM5G0Ym:p0rnE0UkJgzAHp0N
TLSH T1CAD423F35E60EAC84760B5481C5A8C5D0C147AE7BBE9809C71E613918BF63360BDB5BC
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""evelyn@air-supply.cn"<evelyn@air-supply.cn>" (likely spoofed)
Received: "from air-supply.cn (unknown [163.123.143.58]) "
Date: "8 Sep 2023 20:01:22 +0200"
Subject: "Re: RE: SOA OF BIG BLUE ON JULY 2023"
Attachment: "debit note pdf.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
CH CH
File Archive Information

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

File name:debit note pdf.exe
File size:631'296 bytes
SHA256 hash: 74ed95be55a4a93e63882531daf9df44c58290144e0508c8375218bc45b43f29
MD5 hash: 2f2f6d5f9b76005a0c2ae2f273b306dc
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3391.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64ff062fefe2af27e9cc6a9c/reports/4e4d098c-c7fe-4fac-a61b-f64122a35bdb/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e
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/840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-08 16:08:31 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqfvjlwszlbotem7knwd5d2idwx7w4vtmq7eqlesvm2wgv5b7vha._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/230911-pk2jvafg8v/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in System32 directory
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/840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e

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: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 840b54aed2cac2e9919f536c3e8f481daffb72b3643e482c92ab356357a1fd4e

(this sample)

AgentTesla

Executable exe 74ed95be55a4a93e63882531daf9df44c58290144e0508c8375218bc45b43f29

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 74ed95be55a4a93e63882531daf9df44c58290144e0508c8375218bc45b43f29
  
Dropping
AgentTesla

Comments