MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 595991e7a071216bcda0f04df68de57a54f8bd31197031b4b4d473675aa285f1. 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 5 File information Comments

SHA256 hash: 595991e7a071216bcda0f04df68de57a54f8bd31197031b4b4d473675aa285f1
SHA3-384 hash: 6deafee259c15ed68d2617f180323a2edd28fdf4c203259b4204b581efc6e0af5db58061b5e3886a8b726eac1da10b2f
SHA1 hash: 7f8c81a4109e6585b2646aa53151d057b3f0942c
MD5 hash: 825fa8565692648d1562eda237834191
humanhash: victor-don-social-wisconsin
File name:Quotation 60584.exe
Download: download sample
Signature AgentTesla
File size:977'920 bytes
First seen:2021-05-19 07:02:50 UTC
Last seen:2021-05-24 10:04:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:FXSfre/+NhexbND9dR/CIrnjJjrdjqqCo:FibHCbNDHxhnjJrYqCo
Threatray 5'640 similar samples on MalwareBazaar
TLSH F3257CA83651729EC827C9728D685DD0AA317DBBA70BC60FA017329CDD1E997CF105F2
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
5
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation 60584.exe
Verdict:
Malicious activity
Analysis date:
2021-05-19 07:30:51 UTC
Tags:
keylogger stealer agenttesla

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

Behaviour
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Sending a UDP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 417046 Sample: Quotation 60584.exe Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 7 Quotation 60584.exe 4 2->7         started        11 NewApp.exe 1 2->11         started        13 NewApp.exe 2 2->13         started        process3 file4 27 C:\Users\user\AppData\...\XYLZlwQaXyiCUP.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp2938.tmp, XML 7->29 dropped 31 C:\Users\user\...\Quotation 60584.exe.log, ASCII 7->31 dropped 49 Writes to foreign memory regions 7->49 51 Allocates memory in foreign processes 7->51 53 Injects a PE file into a foreign processes 7->53 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...33ewApp.exe, PE32 15->33 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->39 23 conhost.exe 19->23         started        25 conhost.exe 19->25         started        signatures8 process9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-19 03:11:52 UTC
AV detection:
10 of 47 (21.28%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Malspam

AgentTesla

Executable exe 595991e7a071216bcda0f04df68de57a54f8bd31197031b4b4d473675aa285f1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments