MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a028735ad910f11492e656ad6165f4ffcd0ba6886fce274e6ed95d095a8019d. 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: 2a028735ad910f11492e656ad6165f4ffcd0ba6886fce274e6ed95d095a8019d
SHA3-384 hash: c27f240c8f933b7837a0f051e6fb403dd6a1453431b8e8c421b480ebeecce8469ae180c490548988047d31ed83dfa976
SHA1 hash: 2efae827511283853263b370dad22c905f19a581
MD5 hash: 10c1be550b1358d30d39e46a3efbdc2c
humanhash: red-red-batman-violet
File name:PO-O3465-0001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'285'632 bytes
First seen:2020-07-07 19:07:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:dasU+xBhHdTkqEPrd+CbslhtWsslhtWzj:ssU+F9TEPrduhtWhhtWzj
Threatray 11'116 similar samples on MalwareBazaar
TLSH F0556B3B556E5D8BF6750D70FB288B040EBF1C472B0BF2D8ED8D78D3A6B92406582496
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: afnet.net
Sending IP: 45.138.172.20
From: Lai Yun Loong<rkz@afnet.net>
Subject: purchase order.(PO-O3465-0001)
Attachment: attachments.zip (contains "PO-O3465-0001.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22415/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.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
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a028735ad910f11492e656ad6165f4ffcd0ba6886fce274e6ed95d095a8019d/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 19:09:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fibionnnsehrcsjomvvnmfs7j76nbotiq36oe5hg5wk5bfniagoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 11'106 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/200707-3yqm24r7je/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
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.

b3ae9406d9a3470d12cb8637c3ab246d

AgentTesla

Executable exe 2a028735ad910f11492e656ad6165f4ffcd0ba6886fce274e6ed95d095a8019d

(this sample)

  
Dropped by
MD5 b3ae9406d9a3470d12cb8637c3ab246d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22415/

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