MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e53bcd253a30c4fdfbcfe230fadf4cfafa19dff6c10d461041fa2a405e6f1f8e. 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:	e53bcd253a30c4fdfbcfe230fadf4cfafa19dff6c10d461041fa2a405e6f1f8e
SHA3-384 hash:	6f2e930932c8d0fbd3e16c3fe31903f7bfe0a73c231c2b7f23a44ace7d271cae024901e59b57229101651682f88f2073
SHA1 hash:	538b2e4d42c7a62fe701802dbfc7644e3ffd8f22
MD5 hash:	4a207bc2faa2b0d6b65ec3679972b1d5
humanhash:	angel-lake-friend-kilo
File name:	dhl_doc7348255141.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	601'088 bytes
First seen:	2020-07-29 11:19:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:2b20TsYTH4jZ9xX9QrZHAVlX0tZmsDrybgWNec6Bwki:82yH41G6VlXsmsSbgYeccK
Threatray	10'523 similar samples on MalwareBazaar
TLSH	30D4D019BE90FD16C2FE4134EADC1518DEFCC192916BF355684297AB1ACA3A3EC42371
Reporter	abuse_ch
Tags:	AgentTesla DHL exe

abuse_ch

Malspam distributing AgentTesla:

HELO: plesk.nexumweb.net
Sending IP: 52.47.193.30
From: DHL Express <support@dhl.com>
Subject: DHL Shipment Notification : 7348255141
Attachment: dhl_doc7348255141.zip (contains "dhl_doc7348255141.exe")

AgentTesla SMTP exfil server:
smtp.waltartosto.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/34808/

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a custom TCP request

Creating a window

Unauthorized injection to a recently created process

Creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/402385

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Initial sample is a PE file and has a suspicious name

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)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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:

n/a

Link:

https://mwdb.cert.pl/sample/e53bcd253a30c4fdfbcfe230fadf4cfafa19dff6c10d461041fa2a405e6f1f8e/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-29 11:21:07 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=4u542jj2gdcp366p4iypvx2m7l5btx7wyegumecb7iveaxtpd6ha._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1ca8077766ec7d0dfa82b3bdbaf9ca5d3410ba194398534fa4d4276f5bbba9c8

AgentTesla

5b21a902c6ecee945467bf474131a618a7638e1757807f268300b21662e3fb12

AgentTesla

7378a7b4d53f27fa8822570f11ad5a956cbc86528a0f916c9fb02999c159b610

AgentTesla

82b29aea19d46b3da79de8efa015b73dd3589353e16b73579820ab8a1a0ec077

AgentTesla

86eb9ef9abcbd21df6bed4743efd0c879ba62127b73a0dc5194e0ee758038628

AgentTesla

89819dbac176147b14b878250b43d1954844e6f0d4bace8b4607bad4405ca96b

AgentTesla

8a0779333aa240cc2fd83c8e32febca648d04c2e01db732fbc0e6180495b7ae9

AgentTesla

cb8a3020513f5f20c9bf0024baa3e328fc8d54794b9b94f7ddc0e2bac208945f

AgentTesla

d5831d02f868087aea19efcea624ad2f05d065c6f7c5daa81006fe77b6203287

AgentTesla

+ 10'513 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200729-pk1t2qeyla/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

AgentTesla

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/e53bcd253a30c4fdfbcfe230fadf4cfafa19dff6c10d461041fa2a405e6f1f8e

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