MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7
SHA3-384 hash: c3d502d40c29484f81b83b8b4f9a9a2e3869d4394fda7c2f9135e9651f2848e957deff4b501ae3dd70c11244b73d5c31
SHA1 hash: 67195572fb2b56b62eaf72ecc912b3bf02b382bd
MD5 hash: 8d46912471827747b7ea74be2f6eb1a5
humanhash: william-august-enemy-seven
File name:94762156001348.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:276'729 bytes
First seen:2023-06-23 07:01:39 UTC
Last seen:2023-06-23 07:05:34 UTC
File type: zip
MIME type:application/zip
ssdeep 6144:Df9Z/7Lh2ydsh61BpOnbOY0rX//KUJE6ohML:5B79vdsQBQnKr6zhML
TLSH T1BD4422ACDD963E20C3E446D11539524BBA3C8A9F9F4F89D7B35A9C81F6C5B0E578C280
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: "import@strobel.cl" (likely spoofed)
Received: "from [85.208.139.56] (unknown [85.208.139.56]) "
Date: "23 Jun 2023 04:09:04 +0200"
Subject: "RE: ETD of 110dtex Z120 Urgent"
Attachment: "94762156001348.zip"

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
CH CH
File Archive Information

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

File name:94762156001348.exe
File size:290'761 bytes
SHA256 hash: bfdba2515b2d767ebe541557f5461d5c6f9878eeaf9e5f6cc503ccf032143bfa
MD5 hash: dc284664c7d7561f8e31e6aa057cc40e
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_exenum416.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6495436d43d6e275c26b10b8/reports/2adf32f2-9160-4537-91c6-8277ef7539dc/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7
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/a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-23 01:14:11 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
18 of 37 (48.65%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzvxhib2dsuglz7z5m3ok6rwm7s5eajh7i5jy4qs7uu6supyuptq._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/230623-h1hncada46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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/a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 a66b73a03a1ca865e7f9eb36e57a3667e5d20127fa3a9c7212fd29e951f8a3e7

(this sample)

AgentTesla

Executable exe bfdba2515b2d767ebe541557f5461d5c6f9878eeaf9e5f6cc503ccf032143bfa

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 bfdba2515b2d767ebe541557f5461d5c6f9878eeaf9e5f6cc503ccf032143bfa
  
Dropping
MD5 dc284664c7d7561f8e31e6aa057cc40e

Comments