MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 815165435fc27148603cddb3d872c5fe435d348e4eb01ab6425600761aca6873. 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 17 File information Comments

SHA256 hash:	815165435fc27148603cddb3d872c5fe435d348e4eb01ab6425600761aca6873
SHA3-384 hash:	173f75f9020c100419d21a385ec9a20d5fe7fd802f1d4041cec88aec40039d1785bbd23bbad9d5eb9610007af700ebfe
SHA1 hash:	1aa21f07713921da81dd8ed65f67f7db60558fcb
MD5 hash:	3dc7c33b191301553530ec673f30f6eb
humanhash:	gee-oklahoma-winner-oven
File name:	NEW ORDER #98540-0.zip
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	613'704 bytes
First seen:	2024-03-26 13:10:14 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:Vphq3nCKCn78KxeDkvggFJvWzMzPVpMaGEQcy9oh4g7e2VElWdrdsqt:VTsm78ceYIAJvXPVCeDGohrE0VFt
TLSH	T114D4232440E2F56F8ECA69E34C68FB7794242F6241F371F0879655B2E2007AB65F0A5F
TrID	80.0% (.ZIP) ZIP compressed archive (4000/1) 20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter	cocaman
Tags:	AgentTesla Shipping zip

cocaman

Malicious email (T1566.001)
From: "Shipping <piraeusops@iss-shipping.com>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.58.247]) "
Date: "26 Mar 2024 14:09:27 +0100"
Subject: "RE: Purchase Order #:98540-0"
Attachment: "NEW ORDER #98540-0.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

172

Origin country :

File Archive Information

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

File name:	NEW ORDER #98540-0.exe
File size:	630'272 bytes
SHA256 hash:	5fd7aaecea93b94823aa67414bf4314bd1f19c8e8ca44ea569210bffbc623f55
MD5 hash:	9dc0d0adc6b1e95b3ba91fc4c28a9c8d
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Result

Verdict:

Unknown

File Type:

PE File

Link:

https://app.docguard.net/815165435fc27148603cddb3d872c5fe435d348e4eb01ab6425600761aca6873/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/6602c96df1c80c2d4d585424/reports/23a4ce61-0e60-482a-af2d-4e5a251bfc50/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/815165435fc27148603cddb3d872c5fe435d348e4eb01ab6425600761aca6873

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/815165435fc27148603cddb3d872c5fe435d348e4eb01ab6425600761aca6873

Details

Windows PE Executable

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

Score:

100%

Verdict:

Malware

File Type:

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240326-ql7ypaeb31/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads WinSCP keys stored on the system

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:

0.91

Link:

https://yomi.yoroi.company/submissions/815165435fc27148603cddb3d872c5fe435d348e4eb01ab6425600761aca6873

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:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla