MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9f98038cac91d7d9f92301d7738f9187fdc1a879aa9db3373ce1fbe1bbd6eae. 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: a9f98038cac91d7d9f92301d7738f9187fdc1a879aa9db3373ce1fbe1bbd6eae
SHA3-384 hash: e0a0e9cc2be3608e72260fc719c069ea820f2e3d9abf9ad9df7554a883c5e40a0314a65960121764ff71aaf35eed68e8
SHA1 hash: 8e9a24411ac1b6605296c3ba333e2549f1ea44ec
MD5 hash: 441166bc629c6bceb309d8004e21ded4
humanhash: minnesota-missouri-uncle-lion
File name:pro-forma invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:460'800 bytes
First seen:2020-06-30 08:46:26 UTC
Last seen:2020-06-30 10:33:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:vv77I4M5CZNoSybjUeqePy5aflFTAWNV6AW5wa:xY/Ub6yOFTLW
Threatray 10'631 similar samples on MalwareBazaar
TLSH AEA47A44931D8320CF9C79BDE49103783D74D66ABAB8F6FACD71A416EC3A828559E3C4
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: samisec.com
Sending IP: 78.157.221.238
From: Accounts<sav@samisec.com>
Reply-To: Accounts<s.nsa41@hotmail.com>
Subject: pro-forma inv
Attachment: pro-forma invoice.zip (contains "pro-forma invoice.exe")

AgentTesla SMTP exfil server:
business41.web-hosting.com:587

Intelligence

File Origin
# of uploads :
3
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/17002/
Detection(s):
SecuriteInfo.com.Generic.mg.441166bc629c6bce.10326.UNOFFICIAL
Create hunting rule

Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a9f98038cac91d7d9f92301d7738f9187fdc1a879aa9db3373ce1fbe1bbd6eae/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-30 05:19:05 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vh4yaogkzeox3h4sgaoxoohzdb75yguhtku5wm3tzyp34g55n2xa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ccd6e2bc024bef356625393048a9a1206fd968bfcf327a36c9e17debd06da5c6
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AgentTesla
+ 10'621 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/200630-mfsfwcbrqj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Modifies service
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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

zip d6a835b07460b57ecac289d9f18d2e0f87b4a0e2da12df8f4211923100d35ed2

AgentTesla

Executable exe a9f98038cac91d7d9f92301d7738f9187fdc1a879aa9db3373ce1fbe1bbd6eae

(this sample)

  
Dropped by
MD5 42f774c4da361b8ae7f8316468ce54ff
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/17002/
  
Dropped by
SHA256 d6a835b07460b57ecac289d9f18d2e0f87b4a0e2da12df8f4211923100d35ed2

Comments