MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61252e269429d13733b530dc84094e7dacd56cbf157959314d4dd6029c6ff531. 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: 61252e269429d13733b530dc84094e7dacd56cbf157959314d4dd6029c6ff531
SHA3-384 hash: 6ab8b6540f179041292497cf15740e467e7d7b2084ceb0e574f5a84e5c8670412b90f057d4490e10ec507c29dc43e87b
SHA1 hash: 8e8a2d6d76e266a63740fea720ee9dd8ae637a2e
MD5 hash: 6927d6f3b944792f8ded8a5573f146e1
humanhash: blossom-steak-pennsylvania-twenty
File name:PURCHASE ORDER COPY.exe
Download: download sample
Signature AgentTesla
File size:497'152 bytes
First seen:2020-08-06 05:52:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9P3SpomTIKsx9a+zTlNAaWNZXcWjoTGN4l0HqncuWr6grpiA:cozb9KXcWjOGGR2rXQA
Threatray 10'661 similar samples on MalwareBazaar
TLSH F6B4F15837AC5B7AD8FC9FF5112C348003F97E16E962E3445EC174FA2672B40CAA1A97
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: saipuao.com
Sending IP: 103.99.2.5
From: Li_Wei<tina@saipuao.com>
Subject: RE: PURCHASE ORDER COPY
Attachment: PURCHASE ORDER COPY.zip (contains "PURCHASE ORDER COPY.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Executable has a suspicious name (potential lure to open the executable)
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
Modifies the hosts 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
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: 258336 Sample: PURCHASE ORDER COPY.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Sigma detected: Scheduled temp file as task from temp location 2->45 47 11 other signatures 2->47 8 PURCHASE ORDER COPY.exe 7 2->8         started        process3 file4 27 C:\Users\user\AppData\Roaming\PzIgLP.exe, PE32 8->27 dropped 29 C:\Users\user\...\PzIgLP.exe:Zone.Identifier, ASCII 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmpE93F.tmp, XML 8->31 dropped 33 C:\Users\user\...\PURCHASE ORDER COPY.exe.log, ASCII 8->33 dropped 49 Injects a PE file into a foreign processes 8->49 12 PURCHASE ORDER COPY.exe 2 8->12         started        17 schtasks.exe 1 8->17         started        19 PURCHASE ORDER COPY.exe 8->19         started        signatures5 process6 dnsIp7 37 smtp.taiemerica.com 12->37 39 us2.smtp.mailhostbox.com 208.91.199.225, 49737, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->39 35 C:\Windows\System32\drivers\etc\hosts, ASCII 12->35 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to steal Mail credentials (via file access) 12->53 55 Tries to harvest and steal ftp login credentials 12->55 57 2 other signatures 12->57 21 reg.exe 1 12->21         started        23 conhost.exe 17->23         started        file8 signatures9 process10 process11 25 conhost.exe 21->25         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-06 05:54:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Modifies registry key
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
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
Drops file in Drivers directory
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 61252e269429d13733b530dc84094e7dacd56cbf157959314d4dd6029c6ff531

(this sample)

  
Delivery method
Distributed via e-mail attachment

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