MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb87c3e13a30fef236edeec3ddb0f15bae42c2d38026a9a9552b3ed3d686f31. 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: 9

Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash:	efb87c3e13a30fef236edeec3ddb0f15bae42c2d38026a9a9552b3ed3d686f31
SHA3-384 hash:	665a28571eb90d64771fee95ce3b58516ba9d03150329614892fa8e9170dc03f1bbf71919a2adbd39463d4ab9d23dded
SHA1 hash:	79f62013316c38b717d94ec548a3b3e15a38e2d1
MD5 hash:	2dbb834ed8daa9aec1a8e41d9024c903
humanhash:	finch-march-muppet-montana
File name:	Balance invoice.zip
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	638'288 bytes
First seen:	2023-12-07 10:26:19 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:yuFbbDS+zn45im1C13BxL3TSiuUE2KaEu+SeOxJVxel9CSFG2Zz9+waC:yUCIn4t013P3TSiuMKaF7dxelYSFVxP
TLSH	T180D42393F4F21B7847E9AE7BBE00530F0CCE5A4A02699A792338E76363458457C53B39
TrID	80.0% (.ZIP) ZIP compressed archive (4000/1) 20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter	cocaman
Tags:	AgentTesla INVOICE zip

cocaman

Malicious email (T1566.001)
From: "edway@chinaqiangwang.com" (likely spoofed)
Received: "from dns1.legionhoster.com (unknown [185.222.58.235]) "
Date: "6 Dec 2023 21:02:24 +0100"
Subject: "PI NO. ZW-BEST20231018--balance documents"
Attachment: "Balance invoice.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

178

Origin country :

File Archive Information

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

File name:	Balance invoice.exe
File size:	681'472 bytes
SHA256 hash:	ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10
MD5 hash:	96f35afff27509e6f78a8add621120a7
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Foxhole.Zip_fn23.UNOFFICIAL

Porcupine.Malware.58887.UNOFFICIAL

SecuriteInfo.com.Win32.PWSX-gen.7037.3815.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/65719e003636548f37403c62/reports/94b72ac8-eb5b-4e06-ad8a-880345526111/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/efb87c3e13a30fef236edeec3ddb0f15bae42c2d38026a9a9552b3ed3d686f31

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/efb87c3e13a30fef236edeec3ddb0f15bae42c2d38026a9a9552b3ed3d686f31

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 collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/231207-mqjj4she59/

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/efb87c3e13a30fef236edeec3ddb0f15bae42c2d38026a9a9552b3ed3d686f31

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

Rule name:	NET 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:	SUSP_Archive_Phishing_Attachment_Characteristics_Jun22_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects characteristics of suspicious file names or double extensions often found in phishing mail attachments
Reference:	https://twitter.com/0xtoxin/status/1540524891623014400?s=12&t=IQ0OgChk8tAIdTHaPxh0Vg

Rule name:	SUSP_Archive_Phishing_Attachment_Characteristics_Jun22_1 Create hunting rule
Author:	Florian Roth
Description:	Detects characteristics of suspicious file names or double extensions often found in phishing mail attachments
Reference:	https://twitter.com/0xtoxin/status/1540524891623014400?s=12&t=IQ0OgChk8tAIdTHaPxh0Vg