MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7745cfb5dad2fb66719dee21d97d1eabe67eeacf17b4684af8fe67aa5ed0bb96. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 7745cfb5dad2fb66719dee21d97d1eabe67eeacf17b4684af8fe67aa5ed0bb96
SHA3-384 hash: 68a1a1ba383fcc0535752361688370fe1124df164c78f85bcf38b2a9eb3b5f4853afa8ac35033059ae2b4d15835683ed
SHA1 hash: 2a9fb77bbedf8129925a7b42668ed9186acc4066
MD5 hash: b34c428b0266ec0b4f3541bdb4a64e14
humanhash: texas-delta-eighteen-item
File name:2021_May_Quotation_pdf.exe
Download: download sample
Signature AgentTesla
File size:724'992 bytes
First seen:2021-05-10 07:14:37 UTC
Last seen:2021-05-10 08:06:38 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 12288:cO7kOapBoTEjmjZIgZ3LUAKtMhZacWCPHWvM:c67QEEj5A3tKt8ZzHm
Threatray 4'690 similar samples on MalwareBazaar
TLSH F3F4CF2433886F61E83EA7391575000057F2BE07D731E99E7DE6A4DE4A72B818627F63
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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 array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Moves itself to temp directory
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411842 Sample: 2021_May_Quotation_pdf.exe Startdate: 12/05/2021 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 6 other signatures 2->45 6 2021_May_Quotation_pdf.exe 3 2->6         started        10 guBRet.exe 3 2->10         started        12 guBRet.exe 2 2->12         started        process3 file4 23 C:\Users\...\2021_May_Quotation_pdf.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 2021_May_Quotation_pdf.exe 2 5 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 55 Machine Learning detection for dropped file 10->55 19 guBRet.exe 10->19         started        21 guBRet.exe 2 12->21         started        signatures5 process6 dnsIp7 29 mail.renlk.me 198.54.115.133, 26, 49747 NAMECHEAP-NETUS United States 14->29 25 C:\Users\user\AppData\Roaming\...\guBRet.exe, PE32 14->25 dropped 27 C:\Users\user\...\guBRet.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Moves itself to temp directory 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 3 other signatures 14->37 file8 signatures9
Threat name:
ByteCode-MSIL.Infostealer.Coins
Status:
Malicious
First seen:
2021-05-10 01:43:08 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
SH256 hash:
7745cfb5dad2fb66719dee21d97d1eabe67eeacf17b4684af8fe67aa5ed0bb96
MD5 hash:
b34c428b0266ec0b4f3541bdb4a64e14
SHA1 hash:
2a9fb77bbedf8129925a7b42668ed9186acc4066
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: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.

Comments