MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6f9b1e471a5ef092f97c961777b949d5f7ddb47db83ae302cca793e41daed40. 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: c6f9b1e471a5ef092f97c961777b949d5f7ddb47db83ae302cca793e41daed40
SHA3-384 hash: 63d1ed4958c09d5c080c66ce061aa89aa5e03d3ea4fe18c2e99f25619b34bb1ea1d3220e7214e7365bcdf40302e29bff
SHA1 hash: f48099eb22ef6e6f1b0eb624967977c2dcdc88e3
MD5 hash: 9499e0e847b8952ed78eb2496337edca
humanhash: hamper-beryllium-leopard-nebraska
File name:INV_61119000787-0499201911.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:448'000 bytes
First seen:2020-06-26 06:15:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:0Qsv2+PonPCxEZUpsSSFbF1Dv7tpGakytLCRx6:0Lv2NPCeSQbFx68tgx
Threatray 10'619 similar samples on MalwareBazaar
TLSH 6294E015269C8B27DDB947FDF4206219037AB5051592E2880FCA21DF7D6F7CB4A43AE3
Reporter abuse_ch
Tags:AgentTesla exe geo JPN


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: fosetico.com
Sending IP: 109.228.8.101
From: Akio Takuma <akiotakuma2@gmail.com>
Attachment: INV_61119000787-0499201911.7z (contains "INV_61119000787-0499201911.exe")

AgentTesla SMTP exfil server:
mail.protege.com.mx:587

AgentTesla SMTP exfil email address:
veronica.serrato@protege.com.mx

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14604/
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
Launching the process to change network settings
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c6f9b1e471a5ef092f97c961777b949d5f7ddb47db83ae302cca793e41daed40/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-26 06:17:05 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y343dzdruxxqsl4xzfqxo64utvpx3w2h3ob24mbmzj4t4qo25vaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'609 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200626-y318txhg46/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Modifies service
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.

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

7z 17d892c35fd78db2e73b89312d9b00975d4132e64c22b182126cabcd79290388

AgentTesla

Executable exe c6f9b1e471a5ef092f97c961777b949d5f7ddb47db83ae302cca793e41daed40

(this sample)

  
Dropped by
MD5 d78624833fb002039528d5d7e10c76e0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14604/
  
Dropped by
SHA256 17d892c35fd78db2e73b89312d9b00975d4132e64c22b182126cabcd79290388

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