MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e740917e01b79ee21d8d94164db1ab5e8fc4b82b50cb09d4c1e3bf24a0046cf3. 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

SHA256 hash: e740917e01b79ee21d8d94164db1ab5e8fc4b82b50cb09d4c1e3bf24a0046cf3
SHA3-384 hash: a1900d77f1dfa99ccd388cdcfc9c737e2b0c6707e10c0f422649f8b0350621fff04d1dabbdc68c77a9ffb3f1eda2d5f3
SHA1 hash: 9e31d2f57c9fd074ede505f7611531940f38f475
MD5 hash: fe2b0b6fc7dd1efa4432dd9fe80526e3
humanhash: mango-bulldog-north-mango
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
File size:907'776 bytes
First seen:2020-07-17 17:26:09 UTC
Last seen:2020-07-17 18:10:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:TSH4GrMnqjzGYIdjMxMSo15GXacXYp3uyAjrMnnmwJ3xzQsMxrKGmz2qjvb3cieJ:eH4GrvxguwcLjryjarKB2Crc
Threatray 10'932 similar samples on MalwareBazaar
TLSH 12154BF7A64991CEC49FDEBCC4820B700997ED81F1F9920B02637C36767A7A1D9850A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ecplaza.net
Sending IP: 209.58.149.66
From: Rashidah <ksu@ecplaza.net>
Subject: Re: PURCHASE ORDER
Attachment: PURCHASE ORDER.rar (contains "PURCHASE ORDER.exe")

AgentTesla SMTP exfil server:
smtp.rezuit.pro:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-07-17 17:28:08 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
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
AgentTesla
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: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 e740917e01b79ee21d8d94164db1ab5e8fc4b82b50cb09d4c1e3bf24a0046cf3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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