MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc59278c40a5a43033d588ec2f253124d663adc91459063300f306b64f49800b. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: bc59278c40a5a43033d588ec2f253124d663adc91459063300f306b64f49800b
SHA3-384 hash: c06db8f206838b66848f61613982aca7e04cf4d9506ac89388fb2f580769cb689a42455ebae2d533f6bbdbd7c7d19b7a
SHA1 hash: 96c0d1f430db7c978a6909895b1d19a20259b533
MD5 hash: 207a8ab991f745ad3c7f8267a61a0179
humanhash: enemy-nitrogen-oven-solar
File name:SecuriteInfo.com.Trojan.Win32.Save.a.11856.12154
Download: download sample
Signature AgentTesla
File size:523'264 bytes
First seen:2021-06-10 01:54:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:w0mI1/MS5KiJUhLiIR1gzeHuLfp/eHRGWGTSitO7Y:w0kViJnITgzPLfZKm4Y
Threatray 1 similar samples on MalwareBazaar
TLSH D9B4AE1536E9AB22E5BA9BF01A70918047F5762A353DE51C4CC622DF5AF2F008DE1F23
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Win32.Save.a.11856.12154
Verdict:
Malicious activity
Analysis date:
2021-06-10 09:11:01 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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 432316 Sample: SecuriteInfo.com.Trojan.Win... Startdate: 10/06/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 10 other signatures 2->63 7 SecuriteInfo.com.Trojan.Win32.Save.a.11856.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 4 2->13         started        process3 file4 41 C:\Users\user\AppData\...\jYbfenYiwxh.exe, PE32 7->41 dropped 43 C:\Users\user\AppData\Local\...\tmp42DD.tmp, XML 7->43 dropped 45 SecuriteInfo.com.T...ave.a.11856.exe.log, ASCII 7->45 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->67 69 Uses schtasks.exe or at.exe to add and modify task schedules 7->69 15 SecuriteInfo.com.Trojan.Win32.Save.a.11856.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 75 Injects a PE file into a foreign processes 11->75 21 schtasks.exe 1 11->21         started        23 kprUEGC.exe 11->23         started        25 kprUEGC.exe 11->25         started        27 kprUEGC.exe 11->27         started        29 schtasks.exe 13->29         started        31 kprUEGC.exe 13->31         started        33 kprUEGC.exe 13->33         started        signatures5 process6 file7 47 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->47 dropped 49 C:\Windows\System32\drivers\etc\hosts, ASCII 15->49 dropped 51 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->51 dropped 53 Modifies the hosts file 15->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->55 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 29->39         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-10 00:53:34 UTC
AV detection:
14 of 47 (29.79%)
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2c6d204dee77827ea8f2664203518942e67780e98545dbbe643fce101fdb4b41
MD5 hash:
65be4f44ade44395061204b2fbb282a1
SHA1 hash:
e003be68439db39b9ec2cdae900350915e8cb9a2
SH256 hash:
f31c6fb6c9259e7296b66db292bf6d97f1d47aaf3f6e80900bcd774d0cb5ed73
MD5 hash:
b94fece888006e9696b78adf40614706
SHA1 hash:
ddfaf95f0ff2e9c0cda754acda71013b8b3aaade
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
bc59278c40a5a43033d588ec2f253124d663adc91459063300f306b64f49800b
MD5 hash:
207a8ab991f745ad3c7f8267a61a0179
SHA1 hash:
96c0d1f430db7c978a6909895b1d19a20259b533
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.

Comments