MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8830b7d286481c1d90d0c58e1d32f7b2b91ca3893591bcf334b11c09e2e946d. 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: 6

Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash:	b8830b7d286481c1d90d0c58e1d32f7b2b91ca3893591bcf334b11c09e2e946d
SHA3-384 hash:	406f5f9b029cdf9eb3fadf0c0d7bfea755a2f93ee63a94535e07be96eea5a72bd44f84e87bb6dda9816739322179d5de
SHA1 hash:	0f33f71c77ff32a06b26df8beb2e6f942e186f16
MD5 hash:	c760b2e3a4068cb6c1f394c86f6e82cb
humanhash:	failed-undress-green-timing
File name:	Overdue_invoice.rar
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	424'577 bytes
First seen:	2022-06-15 06:39:17 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:WK2pnCtX8z2yWW/xNxul/SSLSHVRYbnL+l1mae4Z8uvx1:sKqZWWEl/SSWvYDL+l1t5
TLSH	T1499423ECC8ADAD83395D262BD8C223B9E8454CDE9584F8804D228B3765B5733F1B9DC4
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	AgentTesla INVOICE rar

cocaman

Malicious email (T1566.001)
From: "FMC Assistant Accountant<suzy@atsjb.com.my>" (likely spoofed)
Received: "from atsjb.com.my (unknown [185.222.57.71]) "
Date: "15 Jun 2022 08:37:18 +0200"
Subject: "OVERDUE INVOICE"
Attachment: "Overdue_invoice.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

213

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b8830b7d286481c1d90d0c58e1d32f7b2b91ca3893591bcf334b11c09e2e946d/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2022-06-15 02:03:38 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

20 of 26 (76.92%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xcbqw7jimsa4dwinbrmoduzppmvzdsrysnmrxtztjmi4bhrosrwq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/220615-he714shhgk/

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

Drops file in Drivers directory

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/b8830b7d286481c1d90d0c58e1d32f7b2b91ca3893591bcf334b11c09e2e946d

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:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.