MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b404fdd2289fca399bc123d2c420f705b000a65dbf983619cfcff1f84897c37a. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: b404fdd2289fca399bc123d2c420f705b000a65dbf983619cfcff1f84897c37a
SHA3-384 hash: ded36b7421c631df353c47cdf55f352af25243f1cd9630fa9d47df7922bfed2c33859f094ddd76569d18d4acf8bad427
SHA1 hash: 7b7b26f4affc0aca066a40c376d796eb763c1731
MD5 hash: 1cca756759438aacb1a0452e51c7356b
humanhash: tennessee-rugby-fifteen-kansas
File name:Quotation.exe
Download: download sample
Signature AgentTesla
File size:923'136 bytes
First seen:2021-08-18 11:45:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:42Dc9F3nC0Py3gAhOSWuNQaXcfbabwcex6MLiO7m70aFdSIZSQXvwGGfx0UB+1Dp:4jSRNQYcmEcex6h702UQX4GGfyUBo75
Threatray 8'529 similar samples on MalwareBazaar
TLSH T16C15C3BC19B9B627D079C775EBE18417F0409CAF3151AD68E4EA27B7032AA5234C723D
dhash icon dcd888c898ac9cb8 (7 x AgentTesla, 1 x DCRat)
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-08-18 11:47:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
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 strings
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 dropped file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 467463 Sample: Quotation.exe Startdate: 18/08/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AgentTesla 2->33 35 8 other signatures 2->35 7 Quotation.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\bwtQebCrBzGgen.exe, PE32 7->19 dropped 21 C:\...\bwtQebCrBzGgen.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp404A.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 43 Injects a PE file into a foreign processes 7->43 11 Quotation.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 api.telegram.org 149.154.167.220, 443, 49728 TELEGRAMRU United Kingdom 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-18 11:46:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1916969851:AAE6bbnxzDCrRvYOe28VWQGZGiRjZVHf_iY/sendDocument
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
66358d9d860f83ad8c4e25e12224fec86dd0d7a019574f024085414b5ce19e4c
MD5 hash:
f0bbacbde4a49deb6b6ba47440e5e229
SHA1 hash:
a6ca23fc18a8c196ba5752f343aeab0e86fe8604
SH256 hash:
e22237821b440c09132e9dfd7dbe1d84e528a6dc9847fed9870cbdfb9b6f0fae
MD5 hash:
ccd0b089e608b36163447e63549c9b3a
SHA1 hash:
8a9109aa305c8f07f4bb6a55282097ec2a1546b1
SH256 hash:
b404fdd2289fca399bc123d2c420f705b000a65dbf983619cfcff1f84897c37a
MD5 hash:
1cca756759438aacb1a0452e51c7356b
SHA1 hash:
7b7b26f4affc0aca066a40c376d796eb763c1731
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe b404fdd2289fca399bc123d2c420f705b000a65dbf983619cfcff1f84897c37a

(this sample)

Comments