MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24154b374505bf76998acbeb5dafbf42a61a516234f2f1b708784ec3669bfbd1. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 24154b374505bf76998acbeb5dafbf42a61a516234f2f1b708784ec3669bfbd1
SHA3-384 hash: 7787ca7a39be4c36f8060ba420544bff557c992d21341ccc14fcf2d520e9229fe6447e2b4220f8537e913f54be3bcc6e
SHA1 hash: b28ca8a8b0ad0712ddc0e146c44f6f89f0fa652c
MD5 hash: a5a88021e46df03d29bec0dbb015d057
humanhash: shade-eighteen-avocado-colorado
File name:20OA06052_085812310720.exe
Download: download sample
Signature AgentTesla
File size:733'696 bytes
First seen:2020-07-31 11:01:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e94294aa486edca6180033051104c39
ssdeep 12288:x1i+/Z6i2pC138ktn6gCA4iFsrnTp1zPgcER0NDwuRu29z6rwwRyYIOGk1:DNZopgQgY2O9IcER0NDlRu2Q8NY
TLSH 25F49EE2B6D05433C26F16F99C0F97E8B83ABA101A391C862BF50C4F9FF964135E5196
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

From: "Sales Dept." <oldrati.falchetti@oldrati.it>
Subject: offerta per quotazione
Attachment: 20OA06052_085812310720.iso (contains "20OA06052_085812310720.exe")

AgentTesla SMTP exfil server:
mail.solivera.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
FR FR
Mail intelligence
Geo location:
IT Italy
Volume:
Low
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-31 11:03:23 UTC
AV detection:
25 of 48 (52.08%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
UPX packed file
AgentTesla Payload
AgentTesla
Threat name:
Malicious File
Score:
1.00

Yara Signatures


Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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 24154b374505bf76998acbeb5dafbf42a61a516234f2f1b708784ec3669bfbd1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments