MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6587a13e1acc0297426512421aeb195fab4f3dec51c425b21dd8ee6f9972507f. 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 4 File information Comments

SHA256 hash: 6587a13e1acc0297426512421aeb195fab4f3dec51c425b21dd8ee6f9972507f
SHA3-384 hash: aa5f1917e7fd2a805828fe042bc3ad0257f09a410459080c94eea40623c09de9b4e9b9a8a38122970c283d7691bfb925
SHA1 hash: bd116a7b605af20ebf7485a36944335045288eae
MD5 hash: d70bde86bbdbd33d83332c12340933dc
humanhash: emma-saturn-earth-magnesium
File name:Document-Receipt.exe
Download: download sample
Signature AgentTesla
File size:823'808 bytes
First seen:2020-08-12 18:08:17 UTC
Last seen:2020-08-12 18:51:31 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:CXtU+HHOo03+h03+YLwecxLfhScsKS7tO4MbGakTrqOCZrKImLcDjO4r:iU3o03+h03+YLLcxjGK0XwkTGbMEma
Threatray 11'394 similar samples on MalwareBazaar
TLSH B905D12473A59873E17A7E35CA76551407BBBC92393EC30E1ACD73DF98213AD49007AA
Reporter abuse_ch
Tags:AgentTesla exe FedEx


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.sap-express.com
Sending IP: 103.31.132.106
From: FedEx Express <india@fedex.com>
Subject: FedEx Express Parcel Delivery//Notification
Attachment: Document-Receipt.gz (contains "Document-Receipt.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Ymacco
Status:
Malicious
First seen:
2020-08-12 18:10:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote
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 6587a13e1acc0297426512421aeb195fab4f3dec51c425b21dd8ee6f9972507f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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