MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa7bb4cef770d1c8fe06f5e4d7a0bff3c2947df233dd5c78f731a154c07f5013. 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 4 File information Comments

SHA256 hash: aa7bb4cef770d1c8fe06f5e4d7a0bff3c2947df233dd5c78f731a154c07f5013
SHA3-384 hash: b9de229738745c1ffa528d9b0867f3de8219002c8cf4a9a2a44833051ef5371ad41256f9683c2b9f4ef1b4cd135d37a6
SHA1 hash: 7d94c5f3c20ab2c315c2a62b38de61ded4cece5d
MD5 hash: 32489a1c52e2d01f126f44a5f0f3c059
humanhash: double-spring-beer-south
File name:purchase-Order20200910_pdf.exe
Download: download sample
Signature AgentTesla
File size:1'384'960 bytes
First seen:2020-09-11 04:06:51 UTC
Last seen:2020-09-11 04:34:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:cQtI9fqDlRzkeqByXghDBH+fWGfFXg0wkHHS41WLQe:VvRjqVhliWSXggnS41WL
Threatray 882 similar samples on MalwareBazaar
TLSH A1555A2EEA6E6F00C4F85736C5D19AB5A06A8D23A601F9BFECD9346C1BF17FC41A4441
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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 sample
Multi AV Scanner detection for submitted 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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-11 01:43:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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.

798ac7fec4d7f0dae13b926df39114396165281abd897774aace810e3c293606

AgentTesla

Executable exe aa7bb4cef770d1c8fe06f5e4d7a0bff3c2947df233dd5c78f731a154c07f5013

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 798ac7fec4d7f0dae13b926df39114396165281abd897774aace810e3c293606

Comments