MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abe7a852074e704601e7fff625aa43e93ba71c6f0811aef9262b78e725df1278. 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: abe7a852074e704601e7fff625aa43e93ba71c6f0811aef9262b78e725df1278
SHA3-384 hash: 726a76fb32cca21b6337e4a6ddd193e90772f86ff20d25d0c1009f370890ecbc5f5e5e5142409ae6d6f4f2df6ef894ef
SHA1 hash: def3fe8db02ca7da7d9ffcacdd074934453de3fd
MD5 hash: 62086c79b69643b8c8cc3c3fd6ef0880
humanhash: sixteen-skylark-october-alanine
File name:Purchasing Lists.exe
Download: download sample
Signature AgentTesla
File size:632'832 bytes
First seen:2020-07-29 14:43:49 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:p8+IRr6OysL+iwTFU4XBOouD2xrUFlnDeYE8L:p8Vr6qL+FFUGcouDQrUj7EO
Threatray 10'539 similar samples on MalwareBazaar
TLSH 4CD4D168B6E4C910CBBE5239E1FD0910CFFCA1996437E7597584A26B1CE3362F5042BE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.environment.go.ke
Sending IP: 41.89.1.174
From: Chief Administrative Secretary <cas@environment.go.ke>
Subject: Re: Searching for supplier
Attachment: Purchasing Lists.pdf.z (contains "Purchasing Lists.exe")

AgentTesla SMTP exfil server:
mail.retramtrading.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
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
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Moves itself to temp directory
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 dnsIp2 2 Behavior Graph ID: 253734 Sample: Purchasing Lists.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 43 g.msn.com 2->43 45 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->45 59 Found malware configuration 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 Yara detected AgentTesla 2->63 65 6 other signatures 2->65 8 app.exe 1 2->8         started        11 Purchasing Lists.exe 5 2->11         started        14 app.exe 2->14         started        signatures3 process4 file5 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->69 71 Injects a PE file into a foreign processes 8->71 16 app.exe 2 8->16         started        33 C:\Users\user\AppData\Local\...\tmpEA21.tmp, XML 11->33 dropped 35 C:\Users\user\AppData\...\&startupname&.exe, PE32 11->35 dropped 20 Purchasing Lists.exe 2 5 11->20         started        23 schtasks.exe 1 11->23         started        25 app.exe 14->25         started        signatures6 process7 dnsIp8 37 mail.retramtrading.com 16->37 47 Tries to harvest and steal ftp login credentials 16->47 49 Tries to harvest and steal browser information (history, passwords, etc) 16->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->51 39 retramtrading.com 69.73.180.129, 49745, 49746, 587 NTHLUS United States 20->39 41 mail.retramtrading.com 20->41 29 C:\Users\user\AppData\Roaming\app\app.exe, PE32 20->29 dropped 31 C:\Users\user\...\app.exe:Zone.Identifier, ASCII 20->31 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->53 55 Moves itself to temp directory 20->55 57 Tries to steal Mail credentials (via file access) 20->57 27 conhost.exe 23->27         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 14:45:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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 abe7a852074e704601e7fff625aa43e93ba71c6f0811aef9262b78e725df1278

(this sample)

  
Delivery method
Distributed via e-mail attachment

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