MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46ade7a1bbbdc7f3487591da53a0128a42493047c89e4dcb124bc22c1f59577a. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 46ade7a1bbbdc7f3487591da53a0128a42493047c89e4dcb124bc22c1f59577a
SHA3-384 hash: c16ab3d54ef8a7418af000409c5b3556bf5f6d0088de8817d30be5c58eec82cbc70a422362814562b4eca42e1157a773
SHA1 hash: 3f8a8a854f7f8e817ea515fd00b115bd9245f519
MD5 hash: 4a3ee3686d23da6e655d26a7f96485ee
humanhash: november-butter-paris-tennis
File name:quotation  301086.exe
Download: download sample
Signature AgentTesla
File size:912'384 bytes
First seen:2020-09-10 10:21:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 107c3368e512cbae16bf262df208efd9 (8 x AgentTesla, 5 x MassLogger, 3 x Formbook)
ssdeep 12288:WAm53b7XYJIdqam73S9gTmskNIpC6yr949Isb5i4wz2DMaht8mn9UoJ6LurdG:vQ3gIdrbm8rGIsNi4w0hjnCLurdG
TLSH 1915BE37B1904877F57E1A7C9D0B62B4981ABDE32A1C94067BF8FE084F76641382A1D7
Reporter Anonymous
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
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
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 283928 Sample: quotation#U00a0 301086.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 10 other signatures 2->38 7 wscript.exe 1 2->7         started        9 quotation#U00a0 301086.exe 2->9         started        process3 signatures4 12 quotation#U00a0 301086.exe 7->12         started        48 Writes to foreign memory regions 9->48 50 Allocates memory in foreign processes 9->50 52 Maps a DLL or memory area into another process 9->52 54 Queues an APC in another process (thread injection) 9->54 15 notepad.exe 1 9->15         started        17 quotation#U00a0 301086.exe 4 9->17         started        process5 signatures6 56 Writes to foreign memory regions 12->56 58 Allocates memory in foreign processes 12->58 60 Maps a DLL or memory area into another process 12->60 19 quotation#U00a0 301086.exe 4 12->19         started        23 notepad.exe 1 12->23         started        62 Drops VBS files to the startup folder 15->62 64 Delayed program exit found 15->64 process7 dnsIp8 28 smtp.yandex.ru 77.88.21.158, 49709, 587 YANDEXRU Russian Federation 19->28 30 smtp.yandex.com 19->30 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->40 42 Tries to steal Mail credentials (via file access) 19->42 44 Tries to harvest and steal ftp login credentials 19->44 46 Tries to harvest and steal browser information (history, passwords, etc) 19->46 26 C:\Users\user\AppData\Roaming\...\starts.vbs, ASCII 23->26 dropped file9 signatures10
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-09-09 09:35:33 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
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 46ade7a1bbbdc7f3487591da53a0128a42493047c89e4dcb124bc22c1f59577a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments