MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23f73a5c76d3f569e043322817d14f2618301b8ed17db3c52d26813b1a27b298. 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: 23f73a5c76d3f569e043322817d14f2618301b8ed17db3c52d26813b1a27b298
SHA3-384 hash: 15c70e7cdd98472876db8abf81f7638e3d19640b5daaae4ffab2b0046f43c5ae0d3abe3b368b48eec2128bb9596966d4
SHA1 hash: eb509573abe7488ba23a02cb7326fa2f4e3d8c27
MD5 hash: 2d02fc0bb28b135bd28dcd4b66447e3e
humanhash: minnesota-black-island-oranges
File name:REQUEST FOR QUOTATION.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:537'088 bytes
First seen:2020-07-16 06:49:10 UTC
Last seen:Never
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:Uk2iNP2k4zUKWOeDsROmvV4gktYCFeui/ja9TMBtJXzL/:B1NOeuh4g0YCFKeTMBtJH/
Threatray 10'660 similar samples on MalwareBazaar
TLSH 30B4F0DC6A64A417CA9C1EB84861EB3413306E42F4FAF7852BC1FE9F7176381E585253
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: lmcokw.com
Sending IP: 95.211.208.58
From: Erfan Dehghani <rsriniversani@lmcokw.com>
Reply-To: Info@lmcokw.com
Subject: RFQ - PIPE, PUMP AND VALVE FOR INSTALLATION OF MAB-SHUAIBA OIL PIER AND CATHODIC PROCTECTION FOR UNDERGROUND PINPING WORK.
Attachment: REQUEST FOR QUOTATION.rar (contains "REQUEST FOR QUOTATION.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26397/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/23f73a5c76d3f569e043322817d14f2618301b8ed17db3c52d26813b1a27b298/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 04:34:18 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ep3tuxdw2p2wtycdgiubpukpeymdag4o2f63hrjne2atwgrhwkma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'650 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-th9xy74rqa/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Modifies service
Adds Run key 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

rar 19790c444756285d67ed9894e2bef121e7b399984f4ed538aa1cd1e0f4ee9643

AgentTesla

Executable exe 23f73a5c76d3f569e043322817d14f2618301b8ed17db3c52d26813b1a27b298

(this sample)

  
Dropped by
MD5 ea24d290411d212f77e8738e074db3b1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 19790c444756285d67ed9894e2bef121e7b399984f4ed538aa1cd1e0f4ee9643
Cape
Cape
https://www.capesandbox.com/analysis/26397/

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