MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 423e762754f7a479b1ed3c007c664e20f2c97fb9311b2a693b6acf99b1ed06c7. 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 11 File information Comments

SHA256 hash:	423e762754f7a479b1ed3c007c664e20f2c97fb9311b2a693b6acf99b1ed06c7
SHA3-384 hash:	3f76884a42bde3e99f2e0650e8c08ca14a27b0973b1f9491175e419f84e5f705f31ae6e685099a670b97bdb5764eac05
SHA1 hash:	2dfb2774145d5e97635c410beccd013f3ba124b1
MD5 hash:	51007489e4caca7a8385cb2b5524486d
humanhash:	georgia-berlin-mountain-nevada
File name:	Payment of PO. 303092.zip
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	632'897 bytes
First seen:	2023-12-05 10:56:04 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:pcD02i5jURzYuuJ6y8eYc+/jU/4mb/71gGQDI9JpzDn3G6AwqE7N4m5ZsD+uA0:pS01pURzYDJ6VNj8TD2lM9Jp3/AVM4mq
TLSH	T1AFD4235B74E70A3A85C1B815FBE4C7076441CD48FDD9A1E88A894ECBC61CF10BA9736B
TrID	80.0% (.ZIP) ZIP compressed archive (4000/1) 20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter	cocaman
Tags:	AgentTesla payment zip

cocaman

Malicious email (T1566.001)
From: "shaji@reamna.com" (likely spoofed)
Received: "from dns1.legionhoster.com (unknown [185.222.58.235]) "
Date: "5 Dec 2023 11:55:19 +0100"
Subject: "RE: Balance payment for PO. 303092"
Attachment: "Payment of PO. 303092.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

181

Origin country :

File Archive Information

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

File name:	Payment of PO. 303092.exe
File size:	744'448 bytes
SHA256 hash:	93c6d96d2c4eff6927c67389dbfa6be605fb70f8005783c3b9915a1ed9fd47f9
MD5 hash:	02389ebeb400fccb4be3a8a838947f41
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Foxhole.Zip_fs3369.UNOFFICIAL

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL

Sanesecurity.Rogue.0hr.20231205-0937.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/656f02033636548f373b26fc/reports/7b2799cd-4f5b-45b0-8049-48e9a72c74d6/overview

Verdict:

Malicious

Labled as:

Troj/Krypt

Link:

https://www.hybrid-analysis.com/sample/423e762754f7a479b1ed3c007c664e20f2c97fb9311b2a693b6acf99b1ed06c7

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/423e762754f7a479b1ed3c007c664e20f2c97fb9311b2a693b6acf99b1ed06c7

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Score:

Verdict:

Benign

File Type:

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/231205-nnwmbsag5w/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Enumerates physical storage devices

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks computer location settings

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/423e762754f7a479b1ed3c007c664e20f2c97fb9311b2a693b6acf99b1ed06c7

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:	AgentTeslaV4 Create hunting rule
Author:	kevoreilly
Description:	AgentTesla 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:	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:	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

Rule name:	Windows_Trojan_AgentTesla_a2d69e48 Create hunting rule
Author:	Elastic Security

File information

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

Malspam

AgentTesla

zip 423e762754f7a479b1ed3c007c664e20f2c97fb9311b2a693b6acf99b1ed06c7

(this sample)

AgentTesla

exe 93c6d96d2c4eff6927c67389dbfa6be605fb70f8005783c3b9915a1ed9fd47f9

Delivery method

Distributed via e-mail attachment

Dropping

SHA256 93c6d96d2c4eff6927c67389dbfa6be605fb70f8005783c3b9915a1ed9fd47f9

Dropping

AgentTesla

Dropping

MD5 02389ebeb400fccb4be3a8a838947f41

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