MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25fc942b81a074fe6b40b2f817fb87d28a54949bf604e54c414c890a351b83e4. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25fc942b81a074fe6b40b2f817fb87d28a54949bf604e54c414c890a351b83e4
SHA3-384 hash: 7ad580dba1daeade45672733331461446d77c56f7b3984a55cdb5b16992e864d943e3eac600470e4cf2e05f1e8d9bd91
SHA1 hash: 08db31eba73e088d28813bed7a1175b38a62c5f6
MD5 hash: 0a7e892a684a0953f1aeee6135029021
humanhash: sodium-table-mike-sink
File name:OPOOOO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:733'184 bytes
First seen:2020-07-06 11:33:59 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 12288:hqu3Pn3VkGyVsEhv4TaLAIxux4gpokMy663ot46Mzfumds9+5PbkKgbX1nED6IgG:sMP3MVsECeltkM7EG41AQ5PbMxnE
Threatray 10'631 similar samples on MalwareBazaar
TLSH CFF412B20282BEDAF77D5DB4D18016401DF41D6BAB70C84DBED831CD72B5B089AB9672
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: daubertcromwell.com
Sending IP: 103.99.1.159
From: info<info@daubertcromwell.com>
Subject: Outstanding Statement Of Account
Attachment: SOA.zip (contains "OPOOOO.exe")

AgentTesla SMTP exfil server:
mail.blc.com.np:587

AgentTesla SMTP exfil email address:
norviceducation@blc.com.np

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/21551/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25fc942b81a074fe6b40b2f817fb87d28a54949bf604e54c414c890a351b83e4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-06 11:35:05 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ex6jik4bub2p422awl4bp64h2kffjfe36ycoktcbjsequni3qpsa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'621 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/200706-rn4dz1agca/
Behaviour
Modifies registry key
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
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
Drops file in Drivers directory
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 dffee586afef4a31d3d2719eab0633ab801a369bf78e49a20d2fe8627cf58a8c

AgentTesla

Executable exe 25fc942b81a074fe6b40b2f817fb87d28a54949bf604e54c414c890a351b83e4

(this sample)

  
Dropped by
MD5 b65fc96ff3d6a8bd3185401dc129dc9f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 dffee586afef4a31d3d2719eab0633ab801a369bf78e49a20d2fe8627cf58a8c
Cape
Cape
https://www.capesandbox.com/analysis/21551/

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