MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f1923c3ca039228a51c9ac5d2f584bda9b25a210b683f66e8536a72cab2751d. 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: 9f1923c3ca039228a51c9ac5d2f584bda9b25a210b683f66e8536a72cab2751d
SHA3-384 hash: 1bab579282fe8960e5fe5e3328d27d49dad33f2684a0a462031486edeca4baf36decae016cd7e2c41433bf46e6ed5141
SHA1 hash: 1b2daadefb54b6a43c0e12709171191cff2b2e7e
MD5 hash: d1bc45da89b78da226520e46b1bc233f
humanhash: beryllium-wisconsin-harry-princess
File name:Ref-no A3_RB54PKXYCNT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:467'968 bytes
First seen:2020-06-24 07:36:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 6144:gyFKhd/seMXPat97eQ+OvEMsbJaSbr4YWWblX7k6Aa9LEkJyIRXfZ4CvZLslGCmK:X+MXg7IO6aC4YdpAgJbx40VsYt9M
Threatray 10'844 similar samples on MalwareBazaar
TLSH 2BA4010B379CFA07C67908FC98C25A8863B19EEAB391F3D85CC06AD519E37E545026D7
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dhl.com
Sending IP: 95.211.208.50
From: DHL|Express|Courier <support@dhl.com>
Subject: RE: DHL单号 Shipment ARRIVAL NOTICE Ref-no: A3_RB54PKXY.CNT
Attachment: Ref-no A3_RB54PKXYCNT.r00 (contains "Ref-no A3_RB54PKXYCNT.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/13564/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9f1923c3ca039228a51c9ac5d2f584bda9b25a210b683f66e8536a72cab2751d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-24 07:38:05 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t4mshq6kaojcrji4tlc5f5mexwu3ewrbbnud6zxiknvhfsvsouoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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4bcc092dbd654713ae7a818a8ed06ebafa177f8a463ea1166e368dc84d3e94c6
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918c237103937dc88a6e0124cecdd9b1e7f5ac7baf4aa9f087d664e77a963185
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AgentTesla
+ 10'834 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-apqs9szfwj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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

r00 428ce112c973bba568544f617d269cfbe282b4700a296e11566836d67aed7389

AgentTesla

Executable exe 9f1923c3ca039228a51c9ac5d2f584bda9b25a210b683f66e8536a72cab2751d

(this sample)

  
Dropped by
MD5 ab5e60620667d090a50374269d8fcac7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13564/
  
Dropped by
SHA256 428ce112c973bba568544f617d269cfbe282b4700a296e11566836d67aed7389

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