MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f403d42973ac773f89be5f033e0ab6268e0078dda5dca6301ccd4924fbe9ec76. 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 2 File information Comments

SHA256 hash: f403d42973ac773f89be5f033e0ab6268e0078dda5dca6301ccd4924fbe9ec76
SHA3-384 hash: 51a96a28417b3c04a73af708ccfb1bad3bcb516af5813d3c3dfd14890c569a382765dd350a983fb257790ced4fb41e6b
SHA1 hash: 4f071f579280335994b01b494c19c943f71b0013
MD5 hash: c8b5f9eb79068c5f1409a1a48b7a86af
humanhash: nitrogen-south-shade-don
File name:Read Message Delivery Failure Text.exe
Download: download sample
Signature AgentTesla
File size:621'568 bytes
First seen:2022-03-14 06:08:51 UTC
Last seen:2022-03-14 08:05:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:l4qT0GLMQ2liqhwxqs4uUnGtqseR8eA0EP3DMm:ln0GLMfwrhTqpB83DMm
Threatray 15'085 similar samples on MalwareBazaar
TLSH T1DED4E03133E96B54D07E67742538588023F4B646EB22D7AE3EE601CC6F62F4A9791783
Reporter fabjer
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Moving of the original file
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for submitted file
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-13 21:06:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
93
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection persistence spyware stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
fc4b5f53362334630b1f94201178275ecfb79ef4f4610c2211d146d791b29c27
MD5 hash:
4ec66a90617192d4ec943da97c64c622
SHA1 hash:
6c8de23a2b4b5cfdd04f5b8a02d6e9c74ae1f39a
SH256 hash:
a4ad262051ed2de2d106d703645a4a5a67d039881e6367e842f32f4a19d74f86
MD5 hash:
05fcbc9d79fd6f5e3147e636f9b413c2
SHA1 hash:
58cfe2bf03ec5d28a3dae3344ae3ea8c17a64593
SH256 hash:
3c9ca1663a6f0aa7c1e05df7e9a5913cb9495e52cf4a60eaf5a7de9fd3fa98bc
MD5 hash:
29367d6e7a6bf7f2ef426edfe4dc81aa
SHA1 hash:
0b0550f6cb24b81c5843a8a7e19562d3b552cd9f
SH256 hash:
f403d42973ac773f89be5f033e0ab6268e0078dda5dca6301ccd4924fbe9ec76
MD5 hash:
c8b5f9eb79068c5f1409a1a48b7a86af
SHA1 hash:
4f071f579280335994b01b494c19c943f71b0013
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

77756c6782326707bd8a3b1d082c67a4095d2ab7f9d9497ffda8934f2a83bbfa

AgentTesla

Executable exe f403d42973ac773f89be5f033e0ab6268e0078dda5dca6301ccd4924fbe9ec76

(this sample)

  
Delivery method
Distributed via e-mail attachment

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