MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f03f7b19fd5b10cadcce4dcdaf7bc0f3e623a2ba1d6677e767c5ee4e3a042a66. 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: f03f7b19fd5b10cadcce4dcdaf7bc0f3e623a2ba1d6677e767c5ee4e3a042a66
SHA3-384 hash: ac098e8308fe6dca7105f7370c882daf410493d87fe3151d4195f6b09d7a53dc3a4e9b79e5806400348fb39030b57d63
SHA1 hash: e8b4b2a6371ae8447409740543ec3eb82f07e8aa
MD5 hash: 47e4764c08d75ac72c56b3bb6636ec8e
humanhash: speaker-lake-early-kentucky
File name:Booking form 3456278910-.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:907'264 bytes
First seen:2020-08-04 11:16:01 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 12288:2modIDHcPgYxmOE+2Do4pPeRH89fwlyKD0/65aOwae0J0lRS+TSBYuJqDV:2UwIYxPeVZleDK6gOSckSD4V
Threatray 10'649 similar samples on MalwareBazaar
TLSH 0215AFD1F5409E50D8194E3B4D3399924B33AC6BEF02C606349CB6596BF729A6E34F83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hotmail.com
Sending IP: 37.49.224.50
From: aditia malla<aadit94malla@hotmail.com>
Subject: booking form GJD04856-=UI8
Attachment: Booking form 3456278910-.zip (contains "Booking form 3456278910-.exe")

AgentTesla SMTP exfil server:
smtp.bnb-spa.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38562/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.20581.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/409296
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256944 Sample: Booking form 3456278910-.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 Yara detected AgentTesla 2->61 63 Yara detected AntiVM_3 2->63 65 6 other signatures 2->65 7 Booking form 3456278910-.exe 5 2->7         started        11 Mymp4.exe 2 2->11         started        13 Mymp4.exe 3 2->13         started        process3 file4 37 C:\Users\user\AppData\Roaming\hkLxWsIW.exe, PE32 7->37 dropped 39 C:\Users\...\hkLxWsIW.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmp8EE6.tmp, XML 7->41 dropped 43 C:\Users\...\Booking form 3456278910-.exe.log, ASCII 7->43 dropped 67 Injects a PE file into a foreign processes 7->67 15 Booking form 3456278910-.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        21 Mymp4.exe 11->21         started        23 schtasks.exe 11->23         started        69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->69 71 Machine Learning detection for dropped file 13->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->73 25 schtasks.exe 1 13->25         started        27 Mymp4.exe 2 13->27         started        29 Mymp4.exe 13->29         started        signatures5 process6 file7 45 C:\Users\user\AppData\Roaming\...\Mymp4.exe, PE32 15->45 dropped 47 C:\Users\user\...\Mymp4.exe:Zone.Identifier, ASCII 15->47 dropped 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 51 Installs a global keyboard hook 15->51 31 conhost.exe 19->31         started        53 Tries to steal Mail credentials (via file access) 21->53 55 Tries to harvest and steal ftp login credentials 21->55 57 Tries to harvest and steal browser information (history, passwords, etc) 21->57 33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f03f7b19fd5b10cadcce4dcdaf7bc0f3e623a2ba1d6677e767c5ee4e3a042a66/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 11:17:09 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6a7xwgp5lmimvxgojxg2666a6ptchiv2dvthpz3hyxxe4oqefjta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'639 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200804-n8fs2xakmx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
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 Payload
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/f03f7b19fd5b10cadcce4dcdaf7bc0f3e623a2ba1d6677e767c5ee4e3a042a66

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

zip 0e1e59ca5589415663426562dbfc2a8a57b58da937c71e9e3c667a280e0745eb

AgentTesla

Executable exe f03f7b19fd5b10cadcce4dcdaf7bc0f3e623a2ba1d6677e767c5ee4e3a042a66

(this sample)

  
Dropped by
MD5 b85e6f40ed3fb076512618a0e22f961a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38562/
  
Dropped by
SHA256 0e1e59ca5589415663426562dbfc2a8a57b58da937c71e9e3c667a280e0745eb

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