MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6
SHA3-384 hash: 944b89142f659825494e62f6e6ba7c6f539d6e510cd13d0eee7229663ae1e291b8d33ae6065b7d7ac47299fe056b2088
SHA1 hash: 3a1e02679644069d63043dbeb382bf6e0c7c646e
MD5 hash: c8b70e9ddadd8ed102da94229453cf7e
humanhash: hawaii-india-kilo-lion
File name:Invoice_0230621_087860_092920-DOCX.r00
Download: download sample
Signature AgentTesla
Create hunting rule
File size:645'221 bytes
First seen:2023-06-22 07:41:43 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:w4RWlWVrRyrPWU2hzOiWr7V9VUZwT6LoALxj0Y45pWJdoY/vLbtDhLF2ugxut4dl:w4wlorR6WPOiWmC68AF4f5pWd/vLhFL6
TLSH T182D4238EE17A254138646F96C0B2C2F79650C3B13D60EDF6F4B14D9A775A7C24E2E02B
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla INVOICE r00 zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Ali <aksa@aksa.com.tr>" (likely spoofed)
Received: "from aksa.com.tr (unknown [79.110.49.82]) "
Date: "22 Jun 2023 01:39:27 +0200"
Subject: "FW: Outstanding Invoice."
Attachment: "Invoice_0230621_087860_092920-DOCX.r00"

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
CH CH
File Archive Information

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

File name:Invoice_0230621_087860_092920-DOCX.exe
File size:939'008 bytes
SHA256 hash: f89e980cad0c8767b2d3b8cca3c7d4f336baec22f35899d0ba870b9f0bc44afd
MD5 hash: d86a0b37b32a68e999e94f3299c9bbb4
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_docx.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Siggen20.64740.24614.14976.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.25090.ZipHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.21103.ZipHeur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6493fb4c99f0c0cb09337146/reports/c590abbe-b7cd-483c-a88b-bb7a93dc2de9/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6
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/4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-21 11:47:22 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
20 of 37 (54.05%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jlwng2luxbwoomzm6zbiddgkb5sgg6rdcxl3owqj5swajaen7tda._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230622-jm4jbsed9v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6225886424:AAE04Y_inojm0Tzj3dwMSlWwGuV885bHLak/
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/4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 4aecd36974b86ce7332cf642818cca0f64637a2315d7b75a09ecac04808dfcc6

(this sample)

AgentTesla

Executable exe f89e980cad0c8767b2d3b8cca3c7d4f336baec22f35899d0ba870b9f0bc44afd

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 f89e980cad0c8767b2d3b8cca3c7d4f336baec22f35899d0ba870b9f0bc44afd
  
Dropping
MD5 d86a0b37b32a68e999e94f3299c9bbb4

Comments