MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af4458dcaccca4a71479eccc4601fe13cd6a9be0c30e793cb6efa2f11b72a2fc. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af4458dcaccca4a71479eccc4601fe13cd6a9be0c30e793cb6efa2f11b72a2fc
SHA3-384 hash: 4da6ff63b199697373bcf796f802c24c8b4d9ab7e6936b5972e4aab8a9d6c2e9457bf0e8a84f3ac6ac89c12a0c5ba341
SHA1 hash: 3670628caed1bfaf7e0447bca4d5ff621a0630d2
MD5 hash: ed1c11de48b8a65211aa587d5121b46a
humanhash: aspen-uniform-glucose-eleven
File name:arinzezx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:606'208 bytes
First seen:2023-09-21 14:40:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:4AceW5Gq43UbxnVsIDE+istQphE43g0b5o3JsRIoGp44K:T3YjzLSPn33Fo7m4
Threatray 5'690 similar samples on MalwareBazaar
TLSH T13AD423562FAD9A72D2F80BB4003489B957327ACB70B593989647B0EC0F16BE5DE06347
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
270
Origin country :
US US
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/450405/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2370.28326.31195.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/650c55ff83a0c6425dfb9083/reports/59b82898-bb6c-4ee9-899f-d8fa65e67cc3/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/af4458dcaccca4a71479eccc4601fe13cd6a9be0c30e793cb6efa2f11b72a2fc
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3b1ea064-92ef-4578-a3e2-c6bb46accbf8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1312390
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af4458dcaccca4a71479eccc4601fe13cd6a9be0c30e793cb6efa2f11b72a2fc/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-20 20:20:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5cfrxfmzsskofdz5tgemap6cpgwvg7aymhhspfw56rpcg3sul6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01fc4ee8bd9cd9c2ee70ccd486f4f3d1fdd42f40fffc6ab66e9f3973f2000e14
AgentTesla
08d58459979cfe17010471396945bb905f18bb29bfbf200b918203d6ee0d1cb4
AgentTesla
485b45513f839ff3c972cbd2434273388b87c070c8c6125a8462aeabe2fb96d5
AgentTesla
4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa
AgentTesla
983aa00ee743b167b2ff1e8159844f36d971179fe86ca794405f32d865d0fea7
AgentTesla
9bee15aa43bcdb1c361ba488354de254e7860b9f006ad7ce7602adc6d7667e62
AgentTesla
def920207a8b0b441f3744dac84c6f67c8f1ba6d84d31a3beeda75ccdf510d85
AgentTesla
ef64bf88be50dcedfb18bb1310109a48940ef5e434e3c83b63a7fa6b2a78fe00
AgentTesla
+ 5'680 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230921-r2eshsgg2z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b58e8f44c16e052c300e324d8d31929900420e527ee85eb4748251978ebe1a37
MD5 hash:
80e8120e0d74beaa8f70b44e00c66be6
SHA1 hash:
d00b435e8bb6402a2ce5775ef14cfc72e4964f4b
Link:
https://www.unpac.me/results/f21b3c8e-6a7c-4c6b-bd92-4889026bdfdc/
SH256 hash:
f81eaa1abe14620a12d66f2906fb74536570f579489befc12d985b2483d17ff8
MD5 hash:
6a1985480d88415dab4af9e77965933d
SHA1 hash:
36ac47cd70012c3057281fed60665f59cdacf28c
Link:
https://www.unpac.me/results/f21b3c8e-6a7c-4c6b-bd92-4889026bdfdc/
SH256 hash:
ffedb0011e1683d0fb8f90d31777fcdaa52357de96346e1e867cac35a6e1dd07
MD5 hash:
d5bcccffc50566bbfe65aa3ddd01e690
SHA1 hash:
2f445779115789f2dfc1010efdc2b9d9ffa63e3e
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/f21b3c8e-6a7c-4c6b-bd92-4889026bdfdc/
Parent samples :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 hash:
df6b7180c85378a80870269e18c71e32590653bbb964621a66cc2dbf9ad4f147
MD5 hash:
eff0b6955d6b12681f888661033858d4
SHA1 hash:
16651618113f714802bd4dc55178d8d39c2d0293
Link:
https://www.unpac.me/results/f21b3c8e-6a7c-4c6b-bd92-4889026bdfdc/
SH256 hash:
af4458dcaccca4a71479eccc4601fe13cd6a9be0c30e793cb6efa2f11b72a2fc
MD5 hash:
ed1c11de48b8a65211aa587d5121b46a
SHA1 hash:
3670628caed1bfaf7e0447bca4d5ff621a0630d2
Link:
https://www.unpac.me/results/f21b3c8e-6a7c-4c6b-bd92-4889026bdfdc/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/af4458dcaccc/report/overview.html
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/af4458dcaccca4a71479eccc4601fe13cd6a9be0c30e793cb6efa2f11b72a2fc

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2712413/
  
URLhaus
https://urlhaus.abuse.ch/url/2710131/
Cape
Cape
https://www.capesandbox.com/analysis/450405/

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