MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7953cff779759642a2cd5981662769249457f01c0c996c69c0b80d5439860c6a. 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:	7953cff779759642a2cd5981662769249457f01c0c996c69c0b80d5439860c6a
SHA3-384 hash:	d42d231b77dc4911de93808635efb2454757d40735ebb1e7d0eea760e9fba44c7b3ffa07d152a5d754ba8010eab477dd
SHA1 hash:	ff18633786e78743da40dee2c0af1c01c7119117
MD5 hash:	cff942f8b8b7161e872910d0cc37d21c
humanhash:	skylark-robin-salami-wisconsin
File name:	Detalles del pago.pdf.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	929'792 bytes
First seen:	2020-07-18 08:47:19 UTC
Last seen:	2020-07-22 10:34:57 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:+orMnqjzGYIdjMxMSo15GXacXYp3uyAjrMnnmc2k4zUb2ZLzRPA22ovPSDbEglBq:frvxguwcLjrU4VAbo+bEg
Threatray	10'842 similar samples on MalwareBazaar
TLSH	6B154BF7A64D91CEC49FDEB8C4860B700987ED95F1F9A20B02537C36363A7A1D9850A7
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

From: Ana Rosa Montemayor <soportegarantias@serv-industrial.com>
Reply-To: Ana Rosa Montemayor <soportegarantias@serv-indutrial.com>
Subject: Re: PAGO ATRÁS DEVUELTO TT (Ref 0180066743)
Attachment: Detalles del pago.pdf.gz (contains "Detalles del pago.pdf.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/27668/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.43510016.32353.13356.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Connection attempt to an infection source

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/388618

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

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: Suspicious Double Extension

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 an obfuscated file name to hide its real file extension (double extension)

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/7953cff779759642a2cd5981662769249457f01c0c996c69c0b80d5439860c6a/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-07-17 19:35:43 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=pfj4753zowlefiwnlgawmj3jeskfp4a4bsmwy2oaxagviomgbrva._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

0adfd2c6b9dd06ab139c7609f9f2401294200b6dfeb23cc228ff3aa0634f5a87

AgentTesla

0b33dac5aa5963fc19e2db868690d76e0655d2bc6f1801eca5e1f26d903c16b0

AgentTesla

2580c9b3595a33f6f0cf4565dca85a884d2aecf8f4324f61a81f02fb4a68ae20

AgentTesla

2add7ea27d82c525f1cd1fb7170aa4c94a095420189b5a8e41d6533313eba073

AgentTesla

365a7d33207a39383f318f55d156272b578050d3c8bac2926fbd0c3f49654867

AgentTesla

4bf1fd37adafd606267d83a3def9b6c0d44b9094dbc650755f12219af5753399

AgentTesla

649923f8cffecdbd2c91d8d0fc5d3978c895642b3cf52c37fda7d07d5a32726d

AgentTesla

992224c3cf97b0d58a9a0c5af443de835abecf518c8c9da0c7724f8929922f8f

AgentTesla

ee179cf179ec5743bd32e4df32cc7f4dbf912c962a558eaa37f65b0a6b7f10f2

AgentTesla

+ 10'832 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200718-11be94a4y2/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Reads data files stored by FTP clients

AgentTesla

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

Threat name:

Unknown

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/7953cff779759642a2cd5981662769249457f01c0c996c69c0b80d5439860c6a

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