MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 458d9f503bfe9cfa6913b1304faa5cec48f8db88ab6a471c2a9e46727f7c52b7. 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: 7

Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash:	458d9f503bfe9cfa6913b1304faa5cec48f8db88ab6a471c2a9e46727f7c52b7
SHA3-384 hash:	fb3d89e67d6bf8d6ad882ad053837fd839bff2e8ba93cf6623a87378dd4110d6784d4903a15f58e684ecfd17df1175d9
SHA1 hash:	07a227170979574704c480b6009e6e7db04fa1d8
MD5 hash:	cc7c7b16c0b028b97b88e56edb34a648
humanhash:	one-pennsylvania-lima-iowa
File name:	8695633.Scan.PDF...exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	687'616 bytes
First seen:	2020-10-05 11:50:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:iZzFrQpafMYmm4X0gcn8wlU3/3L42KeX:qrfMYfgw63Pn9
TLSH	60E4AD51B694C446DC7A5BF2E02888F0437B7D55E431E2CF5E857EAE36F37820622A1B
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: vps.shvietnam-vn.com
Sending IP: 45.95.169.113
From: info@shvietnam-vn.com
Subject: Re: Confirm availability of attached Products
Attachment: 8695633.Scan.PDF..rar (contains "8695633.Scan.PDF...exe")

AgentTesla SMTP exfil server:
mail.bosut.mk:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/68177/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Enabling autorun by creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/481362

Signature

Found evasive API chain (trying to detect sleep duration tampering with parallel thread)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Sigma detected: Scheduled temp file as task from temp location

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/458d9f503bfe9cfa6913b1304faa5cec48f8db88ab6a471c2a9e46727f7c52b7/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-10-05 09:17:30 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=iwgz6ub372opu2itweye7ks45reprw4ivnveohbktzdhe734kk3q._file

Verdict:

unknown

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/201005-f8cn8eyzds/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

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:

458d9f503bfe9cfa6913b1304faa5cec48f8db88ab6a471c2a9e46727f7c52b7

MD5 hash:

cc7c7b16c0b028b97b88e56edb34a648

SHA1 hash:

07a227170979574704c480b6009e6e7db04fa1d8

Link:

https://www.unpac.me/results/5ff266f8-51c9-4c18-8bdc-a3a7f508edd2/

SH256 hash:

7755851f2f0558f5f2c6c6d450a8a196f64e6c3ba35aff680fd18ac0554db1b9

MD5 hash:

ccb4a3d46fa295065e3a5e768cee2993

SHA1 hash:

7152432522d8fa4bf9300784923cfb86138342cb

Link:

https://www.unpac.me/results/5ff266f8-51c9-4c18-8bdc-a3a7f508edd2/

SH256 hash:

607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b

MD5 hash:

a90baadadf904455325f7bc787185c7b

SHA1 hash:

7d833bb819d638008c98be469b05db2feaf201cd

Link:

https://www.unpac.me/results/5ff266f8-51c9-4c18-8bdc-a3a7f508edd2/

SH256 hash:

47e6a084f52492f8bea56b1f8b9be1c265e840445dff58b48324e808bcad1444

MD5 hash:

9fd067b02149fdbc3d2ca8ea976e021c

SHA1 hash:

9568cb841b8a9352678cd5af015f910e784441a5

Link:

https://www.unpac.me/results/5ff266f8-51c9-4c18-8bdc-a3a7f508edd2/

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/458d9f503bfe9cfa6913b1304faa5cec48f8db88ab6a471c2a9e46727f7c52b7

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.