MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c886afcf091e440b12ade502e4b8dcd2e9995cb2c10d7c0f8fd16e736d6fca6. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c886afcf091e440b12ade502e4b8dcd2e9995cb2c10d7c0f8fd16e736d6fca6
SHA3-384 hash: 16aace267315d0f50ad528054c06db5740951d8d7b5c0aca0c9dd7faf82bb571560d72f69a4e9967f345bba4c51ea6c7
SHA1 hash: 6dd66e7fb11a8aeafba22d63c1c17a2b6d8cbea4
MD5 hash: 76bb8d3cf1b086d5217c9c8872187821
humanhash: nebraska-december-seven-foxtrot
File name:RFQ 342 W-Heavy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:511'488 bytes
First seen:2020-05-04 17:13:42 UTC
Last seen:2020-05-04 17:57:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:9buVI4/orHvRx5XnIT2jHz0mdpQpN5cJ:9buVvorH5PIajHzNdOpu
Threatray 10'584 similar samples on MalwareBazaar
TLSH EEB4D17829FE512EF27F5FB4AED47065A769F2B37203E31B459103468A13B52CE8112B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: GWA3.newtekwebhosting.com
Sending IP: 63.134.207.12
From: David Moorey <sales@werther.com>
Reply-To: sales@silentaire.com
Subject: RFQ 342 W-Heavy
Attachment: RFQ 342 W-Heavy.zip (contains "RFQ 342 W-Heavy.exe")

AgentTesla SMTP exfil server:
mail.sridurgaagros.com:587 (192.99.81.95)

Intelligence

File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Fonctuzim.1.1890.13475.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-04 13:18:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsegv7hqshsebmjk3zic4s4nzuxjtfolfqinpqhy7uloonww7sta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'574 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-j88b678fga/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
AgentTesla
Modifies Windows Defender Real-time Protection settings
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

File information

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

Malspam

AgentTesla

zip d27a5b0f2d5dcc3e948f99ce6628764fa6c60fd8d4f213f3ffe6512a8a50fcd8

AgentTesla

Executable exe 4c886afcf091e440b12ade502e4b8dcd2e9995cb2c10d7c0f8fd16e736d6fca6

(this sample)

  
Dropped by
MD5 d32f83fbb8999367dbc914a4502e9868
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d27a5b0f2d5dcc3e948f99ce6628764fa6c60fd8d4f213f3ffe6512a8a50fcd8

Comments