MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad. 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: 7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad
SHA3-384 hash: fae4370f01334b0f688e80d10ef5a1c15fd393c8d6d4a53e7cf6af330457143bf9b1a6687e97d20bc997e21589f92b6b
SHA1 hash: 53532b4e3e69f4aa27d07d8ddbf55133c1bb2d6c
MD5 hash: a0322f4a1d621ec3ae5d7496964530d3
humanhash: maryland-massachusetts-louisiana-fourteen
File name:Business License.exe
Download: download sample
Signature AgentTesla
File size:867'328 bytes
First seen:2021-05-30 06:10:36 UTC
Last seen:2021-05-31 05:46:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:ja3tZ+lMri7zhGZjc2+5zpSdjdOIEDZ52MMMMMMMMMMMuMMMMMMMMMMMMMMMMMMA:W3KjFGZgVWj7E2MMMMMMMMMMMuMMMMML
Threatray 5'389 similar samples on MalwareBazaar
TLSH AA05D054A2D094A6CEF84F7A7A1ADD300B217DEDE111D16835D83CAF38F6BB306546A3
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Business License.exe
Verdict:
Malicious activity
Analysis date:
2021-05-30 06:12:57 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
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
Enabling autorun by creating a file
Unauthorized injection to a system process
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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: 426726 Sample: Business License.exe Startdate: 30/05/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 9 other signatures 2->55 7 Business License.exe 6 2->7         started        11 HjYArO.exe 2 2->11         started        13 HjYArO.exe 1 2->13         started        process3 file4 31 C:\Users\user\AppData\...\UHJGYiNNrLab.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp3F83.tmp, XML 7->33 dropped 35 C:\Users\user\...\Business License.exe.log, ASCII 7->35 dropped 57 Writes to foreign memory regions 7->57 59 Injects a PE file into a foreign processes 7->59 15 RegSvcs.exe 2 4 7->15         started        19 RegSvcs.exe 7->19         started        21 schtasks.exe 1 7->21         started        23 RegSvcs.exe 7->23         started        25 conhost.exe 11->25         started        27 conhost.exe 13->27         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\HjYArO.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->47 29 conhost.exe 21->29         started        signatures8 process9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-29 17:48:51 UTC
AV detection:
13 of 46 (28.26%)
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
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: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 7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments