MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c95f96fa58267c6defa295d7ed8909fc5c2596ad572fc17acca4281f21aaeff. 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: 9c95f96fa58267c6defa295d7ed8909fc5c2596ad572fc17acca4281f21aaeff
SHA3-384 hash: fd397382b0c74507ffe730452800b25c1a104a15725ccc7c60135ba3b277ce85b69252cb330a65a542c235c69055c6ed
SHA1 hash: 0d20a47c4aec1765eda95b2452bfc8edee7749f8
MD5 hash: 848392fda4d3f51c6e970d2a0102e105
humanhash: bluebird-wolfram-leopard-burger
File name:Parcel N0.#EMS9480029128.exe
Download: download sample
Signature AgentTesla
File size:687'104 bytes
First seen:2020-08-15 17:27:56 UTC
Last seen:2020-08-15 18:33:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9IfHbOivhRekpNylXIQJyLBbxwM3QJD9NnXqdlXKVX08b8GMZ:9ITOkLIIQgxxvANLajXKVXA5Z
Threatray 10'609 similar samples on MalwareBazaar
TLSH F3E4F146221CA75BE03CDBBD0276396023FCA237FB02DFD9BF9944E95E42A5243C1956
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.sap-express.com
Sending IP: 103.31.132.106
From: EMS Express <csu@emsng.com>
Subject: EMS Shipment Arrival//Parcel N0.#EMS9480029129
Attachment: Parcel N0.EMS9480029128.iso (contains "Parcel N0.#EMS9480029128.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
98
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268453 Sample: Parcel N0.#EMS9480029128.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Yara detected AgentTesla 2->43 45 7 other signatures 2->45 9 Parcel N0.#EMS9480029128.exe 7 2->9         started        process3 file4 27 C:\Users\user\AppData\...\qxRoTsiylapXl.exe, PE32 9->27 dropped 29 C:\...\qxRoTsiylapXl.exe:Zone.Identifier, ASCII 9->29 dropped 31 C:\Users\user\AppData\Local\...\tmpCD8E.tmp, XML 9->31 dropped 33 C:\Users\...\Parcel N0.#EMS9480029128.exe.log, ASCII 9->33 dropped 47 Injects a PE file into a foreign processes 9->47 13 Parcel N0.#EMS9480029128.exe 4 9->13         started        17 schtasks.exe 1 9->17         started        19 Parcel N0.#EMS9480029128.exe 9->19         started        signatures5 process6 dnsIp7 35 smtp.yandex.ru 77.88.21.158, 49726, 587 YANDEXRU Russian Federation 13->35 37 smtp.yandex.com 13->37 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->49 51 Tries to steal Mail credentials (via file access) 13->51 53 Tries to harvest and steal ftp login credentials 13->53 55 2 other signatures 13->55 21 conhost.exe 17->21         started        signatures8 process9 process10 23 MpCmdRun.exe 1 21->23         started        process11 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-08-15 11:11:41 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
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 9c95f96fa58267c6defa295d7ed8909fc5c2596ad572fc17acca4281f21aaeff

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments