MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b46e8ca307364d54af5e07839776af177f1a609dc50dfcb515dd0bf92876aee8. 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 4 File information Comments

SHA256 hash: b46e8ca307364d54af5e07839776af177f1a609dc50dfcb515dd0bf92876aee8
SHA3-384 hash: 250e9fcd7631f88079abdc9a80b9b64c2a5c12642f6732e7c4778300b27ab07af875c6c4317386522bd3d9f0f7f8d598
SHA1 hash: 5605805ceba306ac1585a89999d52363f98e3b27
MD5 hash: 111f7feaebac2ec0ce6cea59a2edfaa3
humanhash: texas-connecticut-bluebird-carpet
File name:WdWqhSMRsdKJxkl.exe
Download: download sample
Signature AgentTesla
File size:903'168 bytes
First seen:2021-04-29 19:22:10 UTC
Last seen:2021-04-29 20:05:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:g3ZK5LCrdL4cou763E/Pdewt7Z9ZL19ZLR:yELCrToX3CdeY9b9n
Threatray 4'306 similar samples on MalwareBazaar
TLSH E315027E73489E5AC93C01F808D181915BF5F9522522F78D3E91A7DC86F23C6972B3A2
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 400427 Sample: WdWqhSMRsdKJxkl.exe Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 4 other signatures 2->45 6 WdWqhSMRsdKJxkl.exe 3 2->6         started        10 scvhosts.exe 3 2->10         started        12 scvhosts.exe 2 2->12         started        process3 file4 23 C:\Users\user\...\WdWqhSMRsdKJxkl.exe.log, ASCII 6->23 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 51 Injects a PE file into a foreign processes 6->51 14 WdWqhSMRsdKJxkl.exe 17 9 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 19 scvhosts.exe 2 10->19         started        21 scvhosts.exe 2 12->21         started        signatures5 process6 dnsIp7 29 api.telegram.org 149.154.167.220, 443, 49763 TELEGRAMRU United Kingdom 14->29 25 C:\Users\user\AppData\...\scvhosts.exe, PE32 14->25 dropped 27 C:\Users\...\scvhosts.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 3 other signatures 14->37 file8 signatures9
Threat name:
ByteCode-MSIL.Infostealer.Coins
Status:
Malicious
First seen:
2021-04-29 19:21:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
11 of 47 (23.40%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1794075395:AAHqEwxA2BA3sCAPTSXOH6qdJEfWftIwFoQ/sendDocument
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
b46e8ca307364d54af5e07839776af177f1a609dc50dfcb515dd0bf92876aee8
MD5 hash:
111f7feaebac2ec0ce6cea59a2edfaa3
SHA1 hash:
5605805ceba306ac1585a89999d52363f98e3b27
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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