MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c3bf021d2c48ff27cfeab73b69e09f5137945707ad8bdefbbcf97df508499f9. 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: 10

Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash:	6c3bf021d2c48ff27cfeab73b69e09f5137945707ad8bdefbbcf97df508499f9
SHA3-384 hash:	c47867e7d512b07b080c269b081d6f3e2ebd85674dbda52eb521dbd8212f4183c20391a54ed2891ee03fdf82a8dfa177
SHA1 hash:	125dc3d236094359ed47169446aa16057b8e97eb
MD5 hash:	a8554dd23f8bc62f3e62c721e7b87579
humanhash:	victor-missouri-pip-mexico
File name:	orden de compra.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	827'904 bytes
First seen:	2020-08-12 14:33:03 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:mxKkE5D03+l03+2LLkxjrWBINViuIPJTdLmr0o8cGm3:tkE5D03+l03+SwxjrWBOqbk0/cGe
Threatray	11'396 similar samples on MalwareBazaar
TLSH	5E05D06433A59863E1363A31CAB7551407BABC57353DC70E6ADE33CF98203AD5E107AA
Reporter	abuse_ch
Tags:	AgentTesla exe Hostwinds

abuse_ch

Malspam distributing AgentTesla:

HELO: hwsrv-762381.hostwindsdns.com
Sending IP: 104.168.219.245
From: Diego Alonso Ramos <info@ascenduum.pw>
Subject: Re: orden de compra
Attachment: orden de compra.cab (contains "orden de compra.exe")

AgentTesla SMTP exfil server:
web2.changeip.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/44190/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a process with a hidden window

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/422835

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Binary contains a suspicious time stamp

Found malware configuration

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)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file access)

Uses dynamic DNS services

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:

agenttesla

Link:

https://mwdb.cert.pl/sample/6c3bf021d2c48ff27cfeab73b69e09f5137945707ad8bdefbbcf97df508499f9/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-12 14:34:11 UTC

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=nq57aiosysh7e7h6vnz3nhqj6ujxsrlqplml3353z6l56ueeth4q._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

59793c1ac9d8537e06996b0a09f161deb98a77d527b0bc97b18e15972f120a2d

AgentTesla

6fa521f676916e485cd1a3c2c38062c84248294d9ffdcaa5674c2d73df7c1e42

AgentTesla

88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27

AgentTesla

905b81f5f4dff67d723fb98f5a54ea1fe1786a1c971fcf455f6ef0cc2d7e2383

AgentTesla

a698b040f1a8b856f9ce3434fa009b68d815ec881dabad47246dfed3157c587e

AgentTesla

b3cbf1f12ae225e86e853b5a9c100248eac70557eaffff26020cdc9d165f3ff9

AgentTesla

d4224f6f5b734de53a5a7e5f5675b05f9a808deb058e64d00859146f8255594c

AgentTesla

ea74eac48adf2b19c3102578cb14ee0cd1d51f5e5e1da2fb4ab5b0d3f7e91827

AgentTesla

fcd9d17277681744a9dbf78dd1fc2dcabfa9be7a4c83c920b1a953eab9cc854f

AgentTesla

+ 11'386 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200812-c5pz87txks/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

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/6c3bf021d2c48ff27cfeab73b69e09f5137945707ad8bdefbbcf97df508499f9

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_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	CAP_HookExKeylogger Create hunting rule
Author:	Brian C. Bell -- @biebsmalwareguy
Reference:	https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar