MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f258d6b65fd6594bc19ac4f3825112f78043a3c112f7bf56dd40bec84750a1e. 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: 3f258d6b65fd6594bc19ac4f3825112f78043a3c112f7bf56dd40bec84750a1e
SHA3-384 hash: c6bd6672fcca29712ba57cd3aed7a3c805dc0bf6e0d637da0f944f95d217e596e395110ddfdf52c8f2ae8468d9c91309
SHA1 hash: b63bd466732bdf5b9e43a20a7442b7547a4444bf
MD5 hash: 4d7528ff3e3e634db83bdc55c56ac62a
humanhash: muppet-ink-skylark-robin
File name:Emergency Situation Surcharge Update.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:461'824 bytes
First seen:2020-07-10 07:16:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Tl5tK6wMWqCLiqyng9L3bcUGH1HkcPavEQS4TVcNw/YPBjRGQ5Dt1rZ09sc2xtLj:JyViJnUL3bcXDPLQLctGy09sc2xV
Threatray 10'677 similar samples on MalwareBazaar
TLSH F6A4F09872A4779EC4BBD7F589691C206771303B9227C24A8C8324DF96ACF92CF54793
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dhl-news.com
Sending IP: 209.58.149.66
From: DHL Express Courier <support@dhl-news.com>
Subject: Emergency Situation Surcharge Update
Attachment: Emergency Situation Surcharge Update.PDF.z (contains "Emergency Situation Surcharge Update.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24264/
Detection(s):
SecuriteInfo.com.Artemis4D7528FF3E3E.14308.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
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Enabling autorun with Startup directory
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f258d6b65fd6594bc19ac4f3825112f78043a3c112f7bf56dd40bec84750a1e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 07:17:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4sy223f7vszjpazvrhtqjirf54aior4cexxx5ln2qf6zbdvbipa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'667 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200710-vem1qs5jh2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Modifies service
Suspicious use of SetThreadContext
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

z bb698c48127fe0398c2ab555fb0c1b75cb35c4a538eca9324b5dac711ad0da1f

AgentTesla

Executable exe 3f258d6b65fd6594bc19ac4f3825112f78043a3c112f7bf56dd40bec84750a1e

(this sample)

  
Dropped by
MD5 0dd2daa477832f140690cbf10208765b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24264/
  
Dropped by
SHA256 bb698c48127fe0398c2ab555fb0c1b75cb35c4a538eca9324b5dac711ad0da1f

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