MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1546f9a4e9f744fd5252592238121b3fca461a09718c9b5ac14b145c7cffa467. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1546f9a4e9f744fd5252592238121b3fca461a09718c9b5ac14b145c7cffa467
SHA3-384 hash: 7bf143c6705034c7ff213989052f9f7d914f4d8326ac0e52bf360a97dcbaad6b7e84780b12324bcb3f93d4774f7a6aae
SHA1 hash: 1145d7c5cc76095549b75e0d2e71ffb22242eaf6
MD5 hash: a0259371faf7bd342b2d8c2f2fb3f682
humanhash: oven-lake-oklahoma-mango
File name:Inqiury of mt gaocheng 3 loading_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:731'136 bytes
First seen:2020-07-21 14:05:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:FMHz3YqfocwhogT86ofrWda9knX8a33W0AlmNb1+sg1ZYCyRw6TBq+ofG:Sh6nX8+G0Nb1+saulh
Threatray 10'637 similar samples on MalwareBazaar
TLSH 6DF44A40F3F986CDDF65E6BEF41340244A617E465BE6D30E2746F7AD2A213618B03E62
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30182/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.60237.1753.9466.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/393311
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249025 Sample: Inqiury of mt gaocheng 3 lo... Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 59 Found malware configuration 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected AgentTesla 2->63 65 3 other signatures 2->65 6 Inqiury of mt gaocheng 3 loading_pdf.exe 5 2->6         started        10 WNRUXJ.exe 3 2->10         started        12 WNRUXJ.exe 4 2->12         started        process3 file4 33 Inqiury of mt gaoc...loading_pdf.exe.log, ASCII 6->33 dropped 67 Injects a PE file into a foreign processes 6->67 14 Inqiury of mt gaocheng 3 loading_pdf.exe 2 13 6->14         started        19 Inqiury of mt gaocheng 3 loading_pdf.exe 6->19         started        21 Inqiury of mt gaocheng 3 loading_pdf.exe 6->21         started        23 Inqiury of mt gaocheng 3 loading_pdf.exe 6->23         started        25 WNRUXJ.exe 10 10->25         started        27 WNRUXJ.exe 10->27         started        69 Multi AV Scanner detection for dropped file 12->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->73 29 WNRUXJ.exe 2 12->29         started        31 WNRUXJ.exe 12->31         started        signatures5 process6 dnsIp7 39 smtp.yandex.ru 77.88.21.158, 49733, 49734, 49738 YANDEXRU Russian Federation 14->39 41 smtp.yandex.com 14->41 35 C:\Users\user\AppData\Roaming\...\WNRUXJ.exe, PE32 14->35 dropped 37 C:\Users\user\...\WNRUXJ.exe:Zone.Identifier, ASCII 14->37 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->45 47 Moves itself to temp directory 14->47 49 Tries to steal Mail credentials (via file access) 14->49 51 Installs a global keyboard hook 14->51 43 smtp.yandex.com 25->43 53 Tries to harvest and steal ftp login credentials 25->53 55 Tries to harvest and steal browser information (history, passwords, etc) 25->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->57 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1546f9a4e9f744fd5252592238121b3fca461a09718c9b5ac14b145c7cffa467/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 14:07:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cvdptjhj65cp2usslerdqeq3h7femgqjoggjwwwbjmkfy7h7urtq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'627 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/200721-19sfygvks2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
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.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1546f9a4e9f744fd5252592238121b3fca461a09718c9b5ac14b145c7cffa467

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

Executable exe 1546f9a4e9f744fd5252592238121b3fca461a09718c9b5ac14b145c7cffa467

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/30182/

Comments