MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c5a33f434a06a68d045df0070f21738d9b2f70aa3900096eef9b1faa42a5271. 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
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SHA256 hash: 9c5a33f434a06a68d045df0070f21738d9b2f70aa3900096eef9b1faa42a5271
SHA3-384 hash: e0883d9c19749663b122001132671c8789a606995edf8ae16b37c1dd90a385e72acaa5652eb4310332c388478078928f
SHA1 hash: 9ac2baaa6dac1b03f0a3bee7863f6a1bdae2d8f1
MD5 hash: d5d29e21d764a7e18dc02bb710317479
humanhash: nebraska-uniform-diet-washington
File name:Shipping DOC -Arrival Notice For BL - 120910126192 Vessel - MV Crystal BAY Voyage - 19014S.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:627'712 bytes
First seen:2020-07-28 05:22:01 UTC
Last seen:2020-07-28 05:40:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2sSiiSSCiY4YgPFSJFaTZhD1hx2ciCXLdIxdSDbiF7na6ORAP7/f23L9O:KSJFaNhD1j2uZIr2bQnQw/f25
Threatray 10'716 similar samples on MalwareBazaar
TLSH 13D4F10021A44B2FD26786B46477D1F01223AC95EB21DA7B4DCFEC9739D26F8A6D3643
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33160/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52666.10878.18661.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
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/399262
Signature
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 251823 Sample: Shipping DOC -Arrival Notic... Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 8 other signatures 2->41 6 YYtJku.exe 3 2->6         started        9 Shipping DOC -Arrival Notice For BL - 120910126192  Vessel - MV Crystal BAY  Voyage - 19014S.pdf.exe 3 2->9         started        12 YYtJku.exe 2 2->12         started        process3 file4 43 Multi AV Scanner detection for dropped file 6->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->47 14 YYtJku.exe 2 6->14         started        27 Shipping DOC -Arri... 19014S.pdf.exe.log, ASCII 9->27 dropped 49 Injects a PE file into a foreign processes 9->49 18 Shipping DOC -Arrival Notice For BL - 120910126192  Vessel - MV Crystal BAY  Voyage - 19014S.pdf.exe 2 5 9->18         started        21 YYtJku.exe 12->21         started        signatures5 process6 dnsIp7 29 smtp.yandex.com 14->29 51 Tries to harvest and steal ftp login credentials 14->51 53 Tries to harvest and steal browser information (history, passwords, etc) 14->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->55 31 smtp.yandex.ru 77.88.21.158, 49722, 49726, 587 YANDEXRU Russian Federation 18->31 33 smtp.yandex.com 18->33 23 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 18->23 dropped 25 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 18->25 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->57 59 Moves itself to temp directory 18->59 61 Tries to steal Mail credentials (via file access) 18->61 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9c5a33f434a06a68d045df0070f21738d9b2f70aa3900096eef9b1faa42a5271/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 05:23:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=trndh5buubvgrucf34ahb4qxhdm3f5ykuoiabfxo7gy7vjbkkjyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'706 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/200728-8z6ym51xrs/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9c5a33f434a06a68d045df0070f21738d9b2f70aa3900096eef9b1faa42a5271

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

arj 2b914eea875573f33a99a55e63b0c9629c9aa49e00ef46c62e84f6d2f34ceb11

AgentTesla

Executable exe 9c5a33f434a06a68d045df0070f21738d9b2f70aa3900096eef9b1faa42a5271

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 2b914eea875573f33a99a55e63b0c9629c9aa49e00ef46c62e84f6d2f34ceb11
Cape
Cape
https://www.capesandbox.com/analysis/33160/

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