MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81877c179e72019b2d31b9c4cf64fb7a44b8929e1fc0f6da28bda5e14a7be2c5. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81877c179e72019b2d31b9c4cf64fb7a44b8929e1fc0f6da28bda5e14a7be2c5
SHA3-384 hash: c9637cd370865e7da8aebc3f943739a9426560271122e2dbe3e266d3872f9d0e8c92ea016df38760015765b4326b296e
SHA1 hash: 137e75f49f167ce7ec3d17278df87e7a00db9e23
MD5 hash: 19545d80e357afefba451cbdbd7ab6f8
humanhash: bulldog-football-alaska-sink
File name:Doc0908090000.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:430'080 bytes
First seen:2020-06-26 06:58:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:szdK7vxKXHhPndi1FxABYzFbEwTqps6T5QImh5BegjC95N87vO5r0sXpAKFPw:szdAvxkHdnIHqferoWbvORFAKFP
Threatray 10'662 similar samples on MalwareBazaar
TLSH A394E001269C9B27DC7E47FDF0606249037BB11666A2D2440ECA61DF3E6BB874B53AD3
Reporter abuse_ch
Tags:AgentTesla ESP exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp.whoisg.kr
Sending IP: 1.227.194.61
From: Francisca<fundicionavenida@fundicionavenida.com.ar>
Reply-To: saleslink@yandex.com
Subject: Factura de pago / Nuevo pedido
Attachment: Doc0908090000.xz (contains "Doc0908090000.exe")

AgentTesla C2:
http://demirdogen.com/origin/inc/c463f64bb0e1a3.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14646/
Detection(s):
SecuriteInfo.com.FileRepMalware.21253.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81877c179e72019b2d31b9c4cf64fb7a44b8929e1fc0f6da28bda5e14a7be2c5/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-25 21:23:54 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgdxyf46oiazwljrxhcm6zh3pjclreu6d7apnwrixws6cst34lcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'652 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200626-55m74fyvha/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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

zip 050c72b9ecdfbf4975ba4d0915ac43d6203d0d4885d599a2111330c738b52ec7

AgentTesla

Executable exe 81877c179e72019b2d31b9c4cf64fb7a44b8929e1fc0f6da28bda5e14a7be2c5

(this sample)

  
Dropped by
MD5 8a264ce81d6c448c28cc594da2fde326
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14646/
  
Dropped by
SHA256 050c72b9ecdfbf4975ba4d0915ac43d6203d0d4885d599a2111330c738b52ec7

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