MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cd437483967218c48d9af73c1f5830c4929c1d7d1e2dc7e0ed109494b12d338. 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: 4cd437483967218c48d9af73c1f5830c4929c1d7d1e2dc7e0ed109494b12d338
SHA3-384 hash: a03ba66fb6799618b0fe5991417c4e6db4b1876f66b718e41390b98cf6b64afa1bd8335d8e7cbc5e6a5b0792f2cc0858
SHA1 hash: 42640419f9fd20e814eed8273449a0816ee771ce
MD5 hash: 1e9c3b7adae0ce0876efb3bbf07f22df
humanhash: berlin-winner-uniform-crazy
File name:PDF45678934.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:507'904 bytes
First seen:2020-08-18 12:30:04 UTC
Last seen:2020-08-18 13:24:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:eqtI874EcmZHAFaxmVmie9bngPqjT+3ocFZ1zG2ei6HuLhfdpxf3Yn16GdLP8vKE:eU4EcmZHAFaxmVmie9bngPq+3rZd5lf9
Threatray 10'632 similar samples on MalwareBazaar
TLSH 77B4E04C3150B0AFE1EE4DB5AC105D3443623B274217FE078967B9F497EABD6AE0486B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: conceptsalesinc.com
Sending IP: 193.142.59.10
From: Anita Marquel <ajones@conceptsalesinc.com>
Subject: Items Description for Quote
Attachment: PDF45678934.rar (contains "PDF45678934.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47826/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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 by creating a file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4cd437483967218c48d9af73c1f5830c4929c1d7d1e2dc7e0ed109494b12d338/
Threat name:
ByteCode-MSIL.Trojan.CryptInject
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 01:49:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtkdosbzm4qyysgzv5z4d5mdbrestqox2hrny7qo2eeussys2m4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'622 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200818-nmhvg7xed6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4cd437483967218c48d9af73c1f5830c4929c1d7d1e2dc7e0ed109494b12d338

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

rar be0d1376cbc0ec5b2bb76e230a123b152c8007168cc2b3c5a9a02af475ca72fb

AgentTesla

Executable exe 4cd437483967218c48d9af73c1f5830c4929c1d7d1e2dc7e0ed109494b12d338

(this sample)

  
Dropped by
MD5 b3e618e7625848f01c1129b64405188a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 be0d1376cbc0ec5b2bb76e230a123b152c8007168cc2b3c5a9a02af475ca72fb
Cape
Cape
https://www.capesandbox.com/analysis/47826/

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