MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d879634ca1e48e52e87c2c8df38336588a584a27794dd96068f69cd2ccbf0456. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: d879634ca1e48e52e87c2c8df38336588a584a27794dd96068f69cd2ccbf0456
SHA3-384 hash: 246d1daecfd87d72ee2c34d8b10d9311b6c83598dd181df9e4deb70d6692776adb1882e421da5085764281bf8ec9aec5
SHA1 hash: 704ca7bc3da7860b71def2aa64b335814ab27ae8
MD5 hash: c04e9869268d212b976b70aa06cc8d28
humanhash: blossom-comet-delta-washington
File name:PO 610528. 18.08.2020.exe
Download: download sample
Signature AgentTesla
File size:553'984 bytes
First seen:2020-08-17 18:00:39 UTC
Last seen:Never
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:UAQ4EcmZHAFaxmVmie9bngPROzwxJGBRxKy/dCB81ocRKxyDtMxBdo:UAQ4EcmZHAFaxmVmie9bngPRwwxJoxKL
Threatray 9'551 similar samples on MalwareBazaar
TLSH 4CC49C4A38D0E3AED5E54FB949209C1673FA2F1A0616990FCC6B39E273E9BC17D34056
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hshgroups.co
Sending IP: 104.168.166.26
From: Chang Lei <sales@quityline.xyz>
Subject: Re: Attached Purchase Order List
Attachment: PO 610528. 18.08.2020.PDF.7z.zip (contains "PO 610528. 18.08.2020.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
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
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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 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:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-17 08:25:39 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: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 d879634ca1e48e52e87c2c8df38336588a584a27794dd96068f69cd2ccbf0456

(this sample)

  
Delivery method
Distributed via e-mail attachment

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