MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b903be7c680d5eb78f951c7e1743b53e0cdfae05e19fa6fe7e77c84c29df1156. 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: b903be7c680d5eb78f951c7e1743b53e0cdfae05e19fa6fe7e77c84c29df1156
SHA3-384 hash: f0f3afa6be9aac48c9d66149a1265510ac538585d8ca01666696b8febcb6380b4791601b6e1136152786ccecf4402688
SHA1 hash: fb22ec1cbb8ca8adfac88ddc9bed32c6979ed7dc
MD5 hash: 291a1412f4dc015c2835b87141967fd3
humanhash: white-oregon-hot-eighteen
File name:bank draft copy.exe
Download: download sample
Signature AgentTesla
File size:799'744 bytes
First seen:2020-09-01 06:48:33 UTC
Last seen:2020-09-01 13:36:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:sfmq0jxMfIa7OMG/WZshVca27Bu7hnZWijvV8epRVW:amq01co5YjB7OhnZWsN8ep
Threatray 9'518 similar samples on MalwareBazaar
TLSH DC05DF12031DDB2DD82C73BD2590809CD6B27786EF35E1C8DE4B60E9254AB6DB49F2C6
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
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 steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-09-01 01:02:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
26 of 29 (89.66%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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 b903be7c680d5eb78f951c7e1743b53e0cdfae05e19fa6fe7e77c84c29df1156

(this sample)

Comments