MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd8b663d4bbfc65428d25e66a82eac1b012ed0d1bf18d0c4b27d8bffed7bc6f1. 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: cd8b663d4bbfc65428d25e66a82eac1b012ed0d1bf18d0c4b27d8bffed7bc6f1
SHA3-384 hash: 9222502a93abdf98d101a92108bfa2338d13b0002992b66935a1cac63c5b16e27d2c01dbd9894eb0c3b0929d084dab4c
SHA1 hash: cec933ed8f8268a2dca09cbcf2d7cc7ba1b200e5
MD5 hash: 6e8f66f53b7e72ac8824d268047f396b
humanhash: lithium-whiskey-nitrogen-bravo
File name:TOYO_ENG.EXE
Download: download sample
Signature AgentTesla
Create hunting rule
File size:564'224 bytes
First seen:2020-06-24 07:38:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:8yoAFMXI/SsTqwEEoWhTOwvuivmg6+33/GnN:8ybjIEMiegTEN
Threatray 10'846 similar samples on MalwareBazaar
TLSH E6C4F1C733989A13DA7909F588905A409BFABD5BA1D2F1CC2CC572E62AF37F150216C7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.radmadengines.com
Sending IP: 162.241.204.155
From: Toyo Engineering & Construction Sdn. Bhd <nmw_ikram@toyo-eng.com>
Subject: [PR259 BIO-MEG] AYBF001 Hot Oil Heater / RFQ / Toyo Engineering & Construction Sdn. Bhd
Attachment: TOYO Engineering EPCC for BIO-MEG Project AYBF001 Hot Oil Heater 224062020_scanned from a xerox devi (contains "TOYO_ENG.EXE")

AgentTesla SMTP exfil server:
smtp.masterindo.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/13571/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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/cd8b663d4bbfc65428d25e66a82eac1b012ed0d1bf18d0c4b27d8bffed7bc6f1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-24 07:40:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwfwmpklx7dfikgslztkqlvmdmas5ugrx4mnbrfspwf773l3y3yq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'836 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/200624-5zslvmhzan/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email 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

iso ff732cdb1cae4ffb2d9f171de3d2b01b37811bed29107009810e3fa3af89afa7

AgentTesla

Executable exe cd8b663d4bbfc65428d25e66a82eac1b012ed0d1bf18d0c4b27d8bffed7bc6f1

(this sample)

  
Dropped by
MD5 900d34ebd4a21e612b68b73e1b24ff02
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13571/
  
Dropped by
SHA256 ff732cdb1cae4ffb2d9f171de3d2b01b37811bed29107009810e3fa3af89afa7

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