MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dfd74b73578547b8baca26773e501c1e21b3e57b8a6a7a8ac204e63d2eb8459. 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 3 File information Comments

SHA256 hash:	4dfd74b73578547b8baca26773e501c1e21b3e57b8a6a7a8ac204e63d2eb8459
SHA3-384 hash:	6b52d2a9e1711d7e2730c2cc8bf9597124b4ae5166f0f69f9e7cc74569b0f180951a69e277b145be89a9e7ab928124e8
SHA1 hash:	48bbb59e7ab0779d89d0347d7b8e207eaea22459
MD5 hash:	135449c1455a6823d135aabaea20e50f
humanhash:	bakerloo-purple-maine-finch
File name:	ZaeZoZ1QtyRVHIp.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	484'352 bytes
First seen:	2020-08-05 17:12:35 UTC
Last seen:	2020-08-06 15:36:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:F8CQOoFKdd1kloH0TE/xGo4OXx2vp0WKGgrpiA:RoFYdE/c0aWKbQA
Threatray	10'671 similar samples on MalwareBazaar
TLSH	54A4F11437AE6B32DDFC5FF8818C308213B4BE26FE61E3549D9671F21676B4086A0697
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: csspacificrimltd.pw
Sending IP: 104.168.140.207
From: Eng. Minisini Gabriele <info@debbieltd.pw>
Subject: Order List
Attachment: Order List.rar (contains "ZaeZoZ1QtyRVHIp.exe")

AgentTesla SMTP exfil server:
mail.pkstyles.pk:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/411727

Signature

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)

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)

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/4dfd74b73578547b8baca26773e501c1e21b3e57b8a6a7a8ac204e63d2eb8459/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2020-08-05 17:14:10 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jx6xjnzvpbkhxc5mujtxhzibyhrbwpsxxctkpkfmebhghuxlqrmq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

4247dd682459141f1839b1a42a9f851e40f55bbbc7c3cebfa4fe9874da2319c7

AgentTesla

61358417b17934b4908ea8bf1c8c58c7d64f6d899159e7ffb91406029d62b83a

AgentTesla

75e41eb7b9f88a279e41be0944ebe10df52c768f5b4992597d693fe58d96f4f1

AgentTesla

7d5613b39d0a6e9022304e17d360d351b04fadd2cebb8e24ae203bd8eba32196

AgentTesla

a1f25cc2116efd8dab8b7865597f22571937f38c8fa06279b45c3ddfbf6df5b7

AgentTesla

a7fe126b01ab7f612af3aae23f1f45bf607f10d4956d7d0b75fe6cd6ac4c4b93

AgentTesla

bf0b665a0ce42c70bc73bd8634339da01d819e8e973ed775b53b612dd9ead1b8

AgentTesla

c1a8d05e6b798ccd18334ab7461cc276bdc3603f35d3186b90bfcb9597ada240

AgentTesla

c80e78dd2df6f05af56219b53cee120b49ace758bc47bbca1b45d3e3ec528ae3

AgentTesla

+ 10'661 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-fdl137agxx/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads data files stored by FTP 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:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/4dfd74b73578547b8baca26773e501c1e21b3e57b8a6a7a8ac204e63d2eb8459

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