MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36f23217058d61b401b63cfe41e8a7ccc1f5525a3f6b0c57800fda8403429fb6. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 36f23217058d61b401b63cfe41e8a7ccc1f5525a3f6b0c57800fda8403429fb6
SHA3-384 hash: b5590c7f4e188116689db2da5620817ebdb8c02e8587e43774176a677b213fceb40e67f5e19bddbe311deb00b2b3d642
SHA1 hash: baf41eb74f89ac25603a0d0fc495634e353d2549
MD5 hash: c48b23fd1e0da7af88cf2a26d7fae4c4
humanhash: romeo-quiet-diet-river
File name:INVOICE__900354.DOC.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:469'504 bytes
First seen:2020-06-18 06:01:30 UTC
Last seen:2020-06-19 05:48:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:uyc6eTRSXX2Kqyk4v7XLM48BCKUKRGZF:w6KoXGrbWN3LvF
Threatray 10'614 similar samples on MalwareBazaar
TLSH 2CA40115369C8B15C97A0B7EC5E7450003F9AE963A22EB2E3BC132AC59537D369067CF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: talestra.mx
Sending IP: 209.58.149.65
From: Sales <yadira_gad@talestra.mx>
Subject: URGENT: Invoice overdue for May,28 (last month)
Attachment: INVOICE__900354.DOC.zip (contains "INVOICE__900354.DOC.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
5
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19630/
Detection(s):
SecuriteInfo.com.FakeAlert.9060.1798.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-06-18 05:21:59 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g3zdefyfrvq3ianwht7ed2fhzta7kus2h5vqyv4ab7niia2ct63a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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e6f24dc63903a62c11b31f12fdf5e6c71d434782963b51e3e25a9267d4004949
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ee84542a7345a20be96449b190580d2f0ef359753358339d30f0b1dcd4bec7f7
AgentTesla
+ 10'604 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware persistence keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200624-txg57814ha/
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Modifies service
Suspicious use of SetThreadContext
Adds Run entry to start application
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

zip 36b92fbe0dea81103d2fc68ae022f51a4e581349085f73d30accd7b8d4ec0355

AgentTesla

Executable exe 36f23217058d61b401b63cfe41e8a7ccc1f5525a3f6b0c57800fda8403429fb6

(this sample)

  
Dropped by
MD5 09a6ffd055adefbd0754952afdccd449
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 36b92fbe0dea81103d2fc68ae022f51a4e581349085f73d30accd7b8d4ec0355
Cape
Cape
https://www.capesandbox.com/analysis/19630/

Comments