MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99018a172fc8ca8a7cb4435e90e2f162064516d1d1c09f9545ae11741cbc7804. 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: 99018a172fc8ca8a7cb4435e90e2f162064516d1d1c09f9545ae11741cbc7804
SHA3-384 hash: ecf9923759a4b52988e57d745f1cbdee0766f2358c8a108387987575921f58477c2914e1e7cb0998919b8989b0833146
SHA1 hash: 82f4fc798ccf7b01b784cd05255f921f3994e053
MD5 hash: 390fef73b2a299ec62a2c93918cb1838
humanhash: ohio-don-november-gee
File name:UUvsAQSUFw6MZ9r.exe
Download: download sample
Signature AgentTesla
File size:540'672 bytes
First seen:2020-08-05 15:23:07 UTC
Last seen:2020-08-05 16:11:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:hQQhU8tywAxpbmc+hNmasgWQTnLnqb1KZF3aH:aQhU8tLSpbmc+pLMH
Threatray 10'655 similar samples on MalwareBazaar
TLSH C1B4CF7222886FB5F07EA3BD9411120073F2E6579325F98E7DF844DE09A7F914B62A13
Reporter abuse_ch
Tags:AgentTesla Endurance exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 162-241-204-248.unifiedlayer.com
Sending IP: 162.241.204.248
From: Airblast surface treatment solutions <info@hinet.net>
Subject: Revised order
Attachment: REVISED ORDER.zip (contains "UUvsAQSUFw6MZ9r.exe")

AgentTesla FTP exfil server:
gsmtp.me:21

Intelligence


File Origin
# of uploads :
2
# of downloads :
80
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
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 258073 Sample: UUvsAQSUFw6MZ9r.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 Yara detected AgentTesla 2->35 37 5 other signatures 2->37 7 UUvsAQSUFw6MZ9r.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\pXftUosxL.exe, PE32 7->19 dropped 21 C:\Users\...\pXftUosxL.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp6BE3.tmp, XML 7->23 dropped 25 C:\Users\user\...\UUvsAQSUFw6MZ9r.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 11 UUvsAQSUFw6MZ9r.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 gsmtp.me 185.36.81.140, 21, 49731, 49732 TELE-ASTeleAsiaLimitedHK Lithuania 11->27 29 192.168.2.1 unknown unknown 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-05 15:25:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
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 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.

bcea6f0393490e24f7ff524fb3189ce3

AgentTesla

Executable exe 99018a172fc8ca8a7cb4435e90e2f162064516d1d1c09f9545ae11741cbc7804

(this sample)

  
Dropped by
MD5 bcea6f0393490e24f7ff524fb3189ce3
  
Delivery method
Distributed via e-mail attachment

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