MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc5e3bcef2f3b34680f39535d4f51d348f2bd4ef5bc9eba14ab97cf01b81a554. 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: 9

Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash:	dc5e3bcef2f3b34680f39535d4f51d348f2bd4ef5bc9eba14ab97cf01b81a554
SHA3-384 hash:	e641d1b8a5652f8e8fb07cb6984ad8afd46403a7408407815e128a4b566f161424dc6bcd954e4bdb0c228499e2a088bd
SHA1 hash:	7085bcd714771a3d2acf4eead452db71f10f7f68
MD5 hash:	25709e29871d9908896db74fd170c80d
humanhash:	march-tennessee-five-berlin
File name:	CK5lbqKHjGUSdnq.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	606'208 bytes
First seen:	2020-08-13 09:07:34 UTC
Last seen:	2020-08-13 10:26:07 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:Aczjl7tnYQPu/DFle3+W5xOdocIcAjj3PpD7zgp+j4VT:BzjlJnY8uJM3+WedRjA/pPzG
Threatray	10'593 similar samples on MalwareBazaar
TLSH	12D4F17037EA5950C3AE0EB4442350806B75391BEF69C60E1D8D61ED1879FB97382FAB
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: out1-71.antispamcloud.com
Sending IP: 185.201.16.71
From: purchase.bng@mundipharmabangladesh.com
Subject: MTB INQUIRY_OFFER N. : 46478/2020 Rev.1_AC CAMPOS
Attachment: Documents.rar (contains "CK5lbqKHjGUSdnq.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/44997/

Detection(s):

SecuriteInfo.com.CIL.HeapOverride.Heur.14710.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Creating a window

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/425573

Signature

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for sample

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/dc5e3bcef2f3b34680f39535d4f51d348f2bd4ef5bc9eba14ab97cf01b81a554/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-13 09:09:06 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3rpdxtxs6ozunahtsu25j5i5gshsxvhplpe6xikkxf6pag4buvka._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1dc42296af9ef7fa6fb9f894947b9547b964ff2926894bb2b52a09283b7a4b60

AgentTesla

202f16849e4ced52d2d65f28b81b2b1b348fbca42f44351e649429845c7f8946

AgentTesla

21d9eab05cfdf3ee39d42b6b22b48ebb550dee74f57141459e26315a1750d366

AgentTesla

25ef4eb5dbb6b39d8563f3874eaeb97f1637df07278bfbdad0161afceb4164e4

AgentTesla

4dfd74b73578547b8baca26773e501c1e21b3e57b8a6a7a8ac204e63d2eb8459

AgentTesla

71146568c5f7e1bc849a6f73bf08ba68c14e73fcaf049da083879f15a2cecc44

AgentTesla

8f2a715a89dde2c6853044e121824b188bee2125f5747d529a4f4463c4cc1ecd

AgentTesla

c7cf8db43e28e6c2c6f3512f5f445ed648f1bdf2a067db4f29e7713f83dd4238

AgentTesla

fc93e1dd000a589799d43e1f3ad70aa716a67f1be15512a6eaf6f0490828114a

AgentTesla

+ 10'583 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200813-d1316ygrze/

Behaviour

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:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/dc5e3bcef2f3b34680f39535d4f51d348f2bd4ef5bc9eba14ab97cf01b81a554

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