MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d253fd7bee0ac5be341956d6dcce635957111e207bfee5af0fa9067b066bcb. 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: b4d253fd7bee0ac5be341956d6dcce635957111e207bfee5af0fa9067b066bcb
SHA3-384 hash: c3848f3611acf703bb81eac1db6f2da750c508ae5a96efe49cf33199adbca855fe710db263327f2e519994d0b7988cd6
SHA1 hash: 51f9ceee56d698403a20bd69b8e96907c07a611b
MD5 hash: fd3565eaa96e9357fa3cdf996c271f19
humanhash: montana-illinois-failed-spring
File name:shipping document.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:423'424 bytes
First seen:2020-06-25 14:27:56 UTC
Last seen:2020-06-25 15:56:13 UTC
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:eRaevQSDoq999Butyd6SEtrSJLrgz93FQ:eR/vQSDoC9A/1tSVrgvQ
Threatray 10'595 similar samples on MalwareBazaar
TLSH 5394DF04A2AC8A17CD7947F8F062721903BFB15615D2E3550FCA21DA7E6FB874B426E3
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: adobeequipment.com
Sending IP: 37.48.85.217
From: DHL Express <Service@adobeequipment.com>
Reply-To: Customer@dhl.com
Subject: DHL BILL OF LADING SHIPPING INVOICE DOCUMENTS
Attachment: shipping document.pdf.z (contains "shipping document.pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14414/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.13534.2142.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4d253fd7bee0ac5be341956d6dcce635957111e207bfee5af0fa9067b066bcb/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-25 14:29:05 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtjfh7l35yfmlprudflnnxgomnmvoei6eb575znpb6uqm6ygnpfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'585 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/200625-a5bpg69zcj/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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

z ef68a53ffaf7584413e01eaa584354da90ea48e10f531cff2b6f1a915bef52c8

AgentTesla

Executable exe b4d253fd7bee0ac5be341956d6dcce635957111e207bfee5af0fa9067b066bcb

(this sample)

  
Dropped by
MD5 6a16c8788016ea2c8a1a9de6b6a3a0b7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14414/
  
Dropped by
SHA256 ef68a53ffaf7584413e01eaa584354da90ea48e10f531cff2b6f1a915bef52c8

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