MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9e74c886a2ecadb0dc31306ff04b9c9df989ba04f06e8791c94aa49f6651d92. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9e74c886a2ecadb0dc31306ff04b9c9df989ba04f06e8791c94aa49f6651d92
SHA3-384 hash: 035ca9f41e7334958e22b8f0ad57c393ee23b668654954e4ab700cd1bb7a20d19ca81690bb4359d014d2d116be121b95
SHA1 hash: f139048f40ce2c7e402b38352f41e6afc7b0470b
MD5 hash: 0b94f11220c332e496931658e97ea551
humanhash: south-friend-one-lemon
File name:74658786790.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:628'736 bytes
First seen:2020-05-25 12:33:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:MsLit9epsH8xD3nKo7Z/ObABmYhrdO/p2ubIFynnKejXcSOcHRbz0R+rWRFTl:ieNKmVO/p2ubIFkKejsSPqr
Threatray 10'835 similar samples on MalwareBazaar
TLSH CFD44A3A7A85A80AD13D497210E5568177B5A6433E42C34F3FCE97ACAF013CE3B1675A
Reporter abuse_ch
Tags:AgentTesla ESP exe geo Santander


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ecorreo.avanzas.com
Sending IP: 185.176.8.27
From: Factoring y Confirming - Grupo Santander <fycuot@gruposantander.com>
Subject: Confirming - Aviso de pago
Attachment: 74658786790.GZ (contains "74658786790.exe")

AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-25 12:37:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 31 (64.52%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
nanocorerat
Create hunting rule
netwirerc
Create hunting rule
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AgentTesla
2f9864a34c7914cd87d6f031efc7b5bfd80aa26c8bdf82d60f56483105f68740
AgentTesla
5ecfea430f1801299be4a50346c041ba396e4b7e30f635f7ec579ebf56328d80
AgentTesla
63b8540184d93b3fc40248ba537de7aa573d075225b3031a72ddff23fc1a87de
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67f0acf1f635fbb92bd3f70a1babe5aa3e68797b95aa945ebc8c5874913c2603
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81882ea9cd81b6de260e0638ce0a9efdee71edae57a5e0ccbefb2effcf7f0af4
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b493bfa582517822bc421986d77474e1877819c4b3a32d9bfc07e5d0a3859696
AgentTesla
bb836ba9f7e9ec5c1d5e16132ef106ea8c89f160a12538af3e02704edabcfb4c
AgentTesla
c77c5b4a3662589a0b9bb1b9bdde49afe9ab55d2b1ac17a1c23e056801c1a922
AgentTesla
c937cb4df47b95dc962b230d3980877401253dee5ac04066a2198b84e70b34ac
AgentTesla
+ 10'825 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-hjz98xd2ms/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

gz ef56586f5864bc21dc181a780f557ece1dca5f8b5b2d23ce1362f8867246e169

AgentTesla

Executable exe b9e74c886a2ecadb0dc31306ff04b9c9df989ba04f06e8791c94aa49f6651d92

(this sample)

  
Dropped by
MD5 6d259da565322428eaae29463428a0b3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ef56586f5864bc21dc181a780f557ece1dca5f8b5b2d23ce1362f8867246e169

Comments