MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b78454f63af8df2ba047e954a5f81ebf05fdcd9f370618465b5a4ce10f7d611. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b78454f63af8df2ba047e954a5f81ebf05fdcd9f370618465b5a4ce10f7d611
SHA3-384 hash: 315854e9e7a0476aa283c3d2fdf9049070e3bea714eb9c969ed1a20bb4f93f72700787c75ac9b96d1d4a753b0b1806fe
SHA1 hash: cb51b81d2189a548e5679e76d2ba31e6f9350d97
MD5 hash: 808cdf889e7e9e01ccce3f60948bf6ea
humanhash: ten-colorado-social-nevada
File name:Inquiry-Specifications.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:432'128 bytes
First seen:2020-05-19 08:07:40 UTC
Last seen:2020-05-19 09:04:23 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 6144:CBDWtfOxycUL31nT62AiBcyuPdyLq0XoraJRPIH7PPKTApowAaDA8:XfO0XLhT5N20XorgAnA/wAv
Threatray 10'618 similar samples on MalwareBazaar
TLSH 949402A937FE0B21E4B9DBF86D71202447B3B0557696F218DCD2A4EB32A2FC44610E57
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: srv1.demspor.com
Sending IP: 31.169.94.221
From: Khaleel Ibrahim <design@berg-tech.com>
Reply-To: Khaleel Ibrahim <design.berg-tech@dr.com>
Subject: Urgent RFQ from Berg Technical Services LLC.
Attachment: Inquiry-Specifications.rar (contains "Inquiry-Specifications.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.26908.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-05-19 08:35:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 31 (64.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dn4ekt3dv6g7foqep2kuux4b5pyf7xgz6nygdbdfwwsm4ehx2yiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1890ab9f7e4107096420bd8f0f5d7ff1a84d7b02c691675b70cf3382fda0a81a
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7b8323706153564b0355a421a3de33ee25da4fecb9e889e6939a4bf48c407eb9
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8d91a07cffa859ef14c1deaf86f49c25003f050d4fed1d18eee1cde88f292697
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96b4c0eb2ed053c03c8f12c8a46c218490a064ff43b4b29eb6883e758d13f624
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976174c0ffcfd0cdeea0a9dd962b995142d15a1cc831a42c68e7b3f928bd7c3a
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978d51366e13c76915194bf67170b7431115e1962eddee9debeb3f8c89d77a88
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ba4587bb7fef7fe60afcde3742183472840eaf7ef122669ae3f94eaad245fd7f
AgentTesla
+ 10'608 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-fwvkdvtq6a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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.

ab7e0da664eb4417ae8d90df221abbaa

AgentTesla

Executable exe 1b78454f63af8df2ba047e954a5f81ebf05fdcd9f370618465b5a4ce10f7d611

(this sample)

  
Dropped by
MD5 ab7e0da664eb4417ae8d90df221abbaa
  
Delivery method
Distributed via e-mail attachment

Comments